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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 | 5 |
6 // TODO(srdjan): Use shared array implementation. | 6 // TODO(srdjan): Use shared array implementation. |
7 class _List<E> implements List<E> { | 7 class _List<E> implements List<E> { |
8 static final int _classId = (new _List(0))._cid; | 8 static final int _classId = ClassID.getID(new _List(0)); |
9 | 9 |
10 factory _List(length) native "List_allocate"; | 10 factory _List(length) native "List_allocate"; |
11 | 11 |
12 E operator [](int index) native "List_getIndexed"; | 12 E operator [](int index) native "List_getIndexed"; |
13 | 13 |
14 void operator []=(int index, E value) native "List_setIndexed"; | 14 void operator []=(int index, E value) native "List_setIndexed"; |
15 | 15 |
16 String toString() { | 16 String toString() { |
17 return ListBase.listToString(this); | 17 return ListBase.listToString(this); |
18 } | 18 } |
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264 | 264 |
265 | 265 |
266 // This is essentially the same class as _List, but it does not | 266 // This is essentially the same class as _List, but it does not |
267 // permit any modification of array elements from Dart code. We use | 267 // permit any modification of array elements from Dart code. We use |
268 // this class for arrays constructed from Dart array literals. | 268 // this class for arrays constructed from Dart array literals. |
269 // TODO(hausner): We should consider the trade-offs between two | 269 // TODO(hausner): We should consider the trade-offs between two |
270 // classes (and inline cache misses) versus a field in the native | 270 // classes (and inline cache misses) versus a field in the native |
271 // implementation (checks when modifying). We should keep watching | 271 // implementation (checks when modifying). We should keep watching |
272 // the inline cache misses. | 272 // the inline cache misses. |
273 class _ImmutableList<E> implements List<E> { | 273 class _ImmutableList<E> implements List<E> { |
274 static final int _classId = (const [])._cid; | 274 static final int _classId = ClassID.getID(const []); |
275 | 275 |
276 factory _ImmutableList._uninstantiable() { | 276 factory _ImmutableList._uninstantiable() { |
277 throw new UnsupportedError( | 277 throw new UnsupportedError( |
278 "ImmutableArray can only be allocated by the VM"); | 278 "ImmutableArray can only be allocated by the VM"); |
279 } | 279 } |
280 | 280 |
281 factory _ImmutableList._from(List from, int offset, int length) | 281 factory _ImmutableList._from(List from, int offset, int length) |
282 native "ImmutableList_from"; | 282 native "ImmutableList_from"; |
283 | 283 |
284 E operator [](int index) native "List_getIndexed"; | 284 E operator [](int index) native "List_getIndexed"; |
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530 } | 530 } |
531 _position = _length; | 531 _position = _length; |
532 _current = null; | 532 _current = null; |
533 return false; | 533 return false; |
534 } | 534 } |
535 | 535 |
536 E get current { | 536 E get current { |
537 return _current; | 537 return _current; |
538 } | 538 } |
539 } | 539 } |
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