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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 'use strict'; | 5 'use strict'; |
6 | 6 |
7 function SpreadArguments() { | 7 function SpreadArguments() { |
8 var count = %_ArgumentsLength(); | 8 var count = %_ArgumentsLength(); |
9 var args = new InternalArray(); | 9 var args = new InternalArray(); |
10 | 10 |
11 for (var i = 0; i < count; ++i) { | 11 for (var i = 0; i < count; ++i) { |
12 var array = %_Arguments(i); | 12 var array = %_Arguments(i); |
13 var length = array.length; | 13 var length = array.length; |
14 for (var j = 0; j < length; ++j) { | 14 for (var j = 0; j < length; ++j) { |
15 args.push(array[j]); | 15 args.push(array[j]); |
16 } | 16 } |
17 } | 17 } |
18 | 18 |
19 return args; | 19 return args; |
20 } | 20 } |
21 | 21 |
22 | 22 |
23 function SpreadIterable(collection) { | 23 function SpreadIterable(collection) { |
24 if (IS_NULL_OR_UNDEFINED(collection)) { | 24 if (IS_NULL_OR_UNDEFINED(collection)) { |
25 throw MakeTypeError("not_iterable", [collection]); | 25 throw MakeTypeError(kNotIterable, collection); |
26 } | 26 } |
27 | 27 |
28 var args = new InternalArray(); | 28 var args = new InternalArray(); |
29 for (var value of collection) { | 29 for (var value of collection) { |
30 args.push(value); | 30 args.push(value); |
31 } | 31 } |
32 return args; | 32 return args; |
33 } | 33 } |
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