| // Copyright 2012 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| (function(global, utils) { |
| |
| "use strict"; |
| |
| %CheckIsBootstrapping(); |
| |
| // ---------------------------------------------------------------------------- |
| // Imports |
| |
| var GlobalObject = global.Object; |
| var iteratorSymbol = utils.ImportNow("iterator_symbol"); |
| |
| // ---------------------------------------------------------------------------- |
| // Object |
| |
| // Set up non-enumerable functions on the Object.prototype object. |
| DEFINE_METHOD( |
| GlobalObject.prototype, |
| // ES6 19.1.3.5 Object.prototype.toLocaleString([reserved1 [,reserved2]]) |
| toLocaleString() { |
| CHECK_OBJECT_COERCIBLE(this, "Object.prototype.toLocaleString"); |
| return this.toString(); |
| } |
| ); |
| |
| // ES6 7.3.9 |
| function GetMethod(obj, p) { |
| var func = obj[p]; |
| if (IS_NULL_OR_UNDEFINED(func)) return UNDEFINED; |
| if (IS_CALLABLE(func)) return func; |
| throw %make_type_error(kCalledNonCallable, typeof func); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Iterator related spec functions. |
| |
| // ES6 7.4.1 GetIterator(obj, method) |
| function GetIterator(obj, method) { |
| if (IS_UNDEFINED(method)) { |
| method = obj[iteratorSymbol]; |
| } |
| if (!IS_CALLABLE(method)) { |
| throw %make_type_error(kNotIterable, obj); |
| } |
| var iterator = %_Call(method, obj); |
| if (!IS_RECEIVER(iterator)) { |
| throw %make_type_error(kNotAnIterator, iterator); |
| } |
| return iterator; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // Exports |
| |
| utils.Export(function(to) { |
| to.GetIterator = GetIterator; |
| to.GetMethod = GetMethod; |
| }); |
| |
| }) |