| OLD | NEW |
| 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> extends FixedLengthListBase<E> { |
| 8 | 8 |
| 9 factory _List(length) native "List_allocate"; | 9 factory _List(length) native "List_allocate"; |
| 10 | 10 |
| 11 E operator [](int index) native "List_getIndexed"; | 11 E operator [](int index) native "List_getIndexed"; |
| 12 | 12 |
| 13 void operator []=(int index, E value) native "List_setIndexed"; | 13 void operator []=(int index, E value) native "List_setIndexed"; |
| 14 | 14 |
| 15 String toString() { | |
| 16 return ListBase.listToString(this); | |
| 17 } | |
| 18 | |
| 19 int get length native "List_getLength"; | 15 int get length native "List_getLength"; |
| 20 | 16 |
| 21 List _slice(int start, int count, bool needsTypeArgument) { | 17 List _slice(int start, int count, bool needsTypeArgument) { |
| 22 if (count <= 64) { | 18 if (count <= 64) { |
| 23 final result = needsTypeArgument ? new _List<E>(count) | 19 final result = needsTypeArgument ? new _List<E>(count) |
| 24 : new _List(count); | 20 : new _List(count); |
| 25 for (int i = 0; i < result.length; i++) { | 21 for (int i = 0; i < result.length; i++) { |
| 26 result[i] = this[start + i]; | 22 result[i] = this[start + i]; |
| 27 } | 23 } |
| 28 return result; | 24 return result; |
| 29 } else { | 25 } else { |
| 30 return _sliceInternal(start, count, needsTypeArgument); | 26 return _sliceInternal(start, count, needsTypeArgument); |
| 31 } | 27 } |
| 32 } | 28 } |
| 33 | 29 |
| 34 List _sliceInternal(int start, int count, bool needsTypeArgument) | 30 List _sliceInternal(int start, int count, bool needsTypeArgument) |
| 35 native "List_slice"; | 31 native "List_slice"; |
| 36 | 32 |
| 37 void insert(int index, E element) { | |
| 38 throw NonGrowableListError.add(); | |
| 39 } | |
| 40 | |
| 41 void insertAll(int index, Iterable<E> iterable) { | |
| 42 throw NonGrowableListError.add(); | |
| 43 } | |
| 44 | |
| 45 void setAll(int index, Iterable<E> iterable) { | |
| 46 IterableMixinWorkaround.setAllList(this, index, iterable); | |
| 47 } | |
| 48 | |
| 49 E removeAt(int index) { | |
| 50 throw NonGrowableListError.remove(); | |
| 51 } | |
| 52 | |
| 53 bool remove(Object element) { | |
| 54 throw NonGrowableListError.remove(); | |
| 55 } | |
| 56 | |
| 57 void removeWhere(bool test(E element)) { | |
| 58 throw NonGrowableListError.remove(); | |
| 59 } | |
| 60 | |
| 61 void retainWhere(bool test(E element)) { | |
| 62 throw NonGrowableListError.remove(); | |
| 63 } | |
| 64 | |
| 65 Iterable<E> getRange(int start, [int end]) { | |
| 66 return new IterableMixinWorkaround<E>().getRangeList(this, start, end); | |
| 67 } | |
| 68 | |
| 69 // List interface. | 33 // List interface. |
| 70 void setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) { | 34 void setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) { |
| 71 if (start < 0 || start > this.length) { | 35 if (start < 0 || start > this.length) { |
| 72 throw new RangeError.range(start, 0, this.length); | 36 throw new RangeError.range(start, 0, this.length); |
| 73 } | 37 } |
| 74 if (end < start || end > this.length) { | 38 if (end < start || end > this.length) { |
| 75 throw new RangeError.range(end, start, this.length); | 39 throw new RangeError.range(end, start, this.length); |
| 76 } | 40 } |
| 77 int length = end - start; | 41 int length = end - start; |
| 78 if (length == 0) return; | 42 if (length == 0) return; |
| 79 if (identical(this, iterable)) { | 43 if (identical(this, iterable)) { |
| 80 Lists.copy(iterable, skipCount, this, start, length); | 44 Lists.copy(iterable, skipCount, this, start, length); |
| 81 } else if (ClassID.getID(iterable) == ClassID.cidArray) { | 45 } else if (ClassID.getID(iterable) == ClassID.cidArray) { |
| 82 Lists.copy(iterable, skipCount, this, start, length); | 46 Lists.copy(iterable, skipCount, this, start, length); |
| 83 } else if (iterable is List) { | 47 } else if (iterable is List) { |
| 84 Lists.copy(iterable, skipCount, this, start, length); | 48 Lists.copy(iterable, skipCount, this, start, length); |
| 85 } else { | 49 } else { |
| 86 Iterator it = iterable.iterator; | 50 Iterator it = iterable.iterator; |
| 87 while (skipCount > 0) { | 51 while (skipCount > 0) { |
| 88 if (!it.moveNext()) return; | 52 if (!it.moveNext()) return; |
| 89 skipCount--; | 53 skipCount--; |
| 90 } | 54 } |
| 91 for (int i = start; i < end; i++) { | 55 for (int i = start; i < end; i++) { |
| 92 if (!it.moveNext()) return; | 56 if (!it.moveNext()) return; |
| 93 this[i] = it.current; | 57 this[i] = it.current; |
| 94 } | 58 } |
| 95 } | 59 } |
| 96 } | 60 } |
| 97 | 61 |
| 98 void removeRange(int start, int end) { | |
| 99 throw NonGrowableListError.remove(); | |
| 100 } | |
| 101 | |
| 102 void replaceRange(int start, int end, Iterable<E> iterable) { | |
| 103 throw NonGrowableListError.remove(); | |
| 104 } | |
| 105 | |
| 106 void fillRange(int start, int end, [E fillValue]) { | |
| 107 IterableMixinWorkaround.fillRangeList(this, start, end, fillValue); | |
| 108 } | |
| 109 | |
| 110 List<E> sublist(int start, [int end]) { | 62 List<E> sublist(int start, [int end]) { |
| 111 Lists.indicesCheck(this, start, end); | 63 Lists.indicesCheck(this, start, end); |
| 112 if (end == null) end = this.length; | 64 if (end == null) end = this.length; |
| 113 int length = end - start; | 65 int length = end - start; |
| 114 if (start == end) return <E>[]; | 66 if (start == end) return <E>[]; |
| 115 var result = new _GrowableList<E>.withData(_slice(start, length, false)); | 67 var result = new _GrowableList<E>.withData(_slice(start, length, false)); |
| 116 result._setLength(length); | 68 result._setLength(length); |
| 117 return result; | 69 return result; |
| 118 } | 70 } |
| 119 | 71 |
| 120 // Iterable interface. | 72 // Iterable interface. |
| 121 | 73 |
| 122 bool contains(Object element) { | |
| 123 return IterableMixinWorkaround.contains(this, element); | |
| 124 } | |
| 125 | |
| 126 void forEach(f(E element)) { | 74 void forEach(f(E element)) { |
| 127 final length = this.length; | 75 final length = this.length; |
| 128 for (int i = 0; i < length; i++) { | 76 for (int i = 0; i < length; i++) { |
| 129 f(this[i]); | 77 f(this[i]); |
| 130 } | 78 } |
| 131 } | 79 } |
| 132 | 80 |
| 133 String join([String separator = ""]) { | |
| 134 return IterableMixinWorkaround.joinList(this, separator); | |
| 135 } | |
| 136 | |
| 137 Iterable map(f(E element)) { | |
| 138 return IterableMixinWorkaround.mapList(this, f); | |
| 139 } | |
| 140 | |
| 141 E reduce(E combine(E value, E element)) { | |
| 142 return IterableMixinWorkaround.reduce(this, combine); | |
| 143 } | |
| 144 | |
| 145 fold(initialValue, combine(previousValue, E element)) { | |
| 146 return IterableMixinWorkaround.fold(this, initialValue, combine); | |
| 147 } | |
| 148 | |
| 149 Iterable<E> where(bool f(E element)) { | |
| 150 return new IterableMixinWorkaround<E>().where(this, f); | |
| 151 } | |
| 152 | |
| 153 Iterable expand(Iterable f(E element)) { | |
| 154 return IterableMixinWorkaround.expand(this, f); | |
| 155 } | |
| 156 | |
| 157 Iterable<E> take(int n) { | |
| 158 return new IterableMixinWorkaround<E>().takeList(this, n); | |
| 159 } | |
| 160 | |
| 161 Iterable<E> takeWhile(bool test(E value)) { | |
| 162 return new IterableMixinWorkaround<E>().takeWhile(this, test); | |
| 163 } | |
| 164 | |
| 165 Iterable<E> skip(int n) { | |
| 166 return new IterableMixinWorkaround<E>().skipList(this, n); | |
| 167 } | |
| 168 | |
| 169 Iterable<E> skipWhile(bool test(E value)) { | |
| 170 return new IterableMixinWorkaround<E>().skipWhile(this, test); | |
| 171 } | |
| 172 | |
| 173 bool every(bool f(E element)) { | |
| 174 return IterableMixinWorkaround.every(this, f); | |
| 175 } | |
| 176 | |
| 177 bool any(bool f(E element)) { | |
| 178 return IterableMixinWorkaround.any(this, f); | |
| 179 } | |
| 180 | |
| 181 E firstWhere(bool test(E value), {E orElse()}) { | |
| 182 return IterableMixinWorkaround.firstWhere(this, test, orElse); | |
| 183 } | |
| 184 | |
| 185 E lastWhere(bool test(E value), {E orElse()}) { | |
| 186 return IterableMixinWorkaround.lastWhereList(this, test, orElse); | |
| 187 } | |
| 188 | |
| 189 E singleWhere(bool test(E value)) { | |
| 190 return IterableMixinWorkaround.singleWhere(this, test); | |
| 191 } | |
| 192 | |
| 193 E elementAt(int index) { | |
| 194 return this[index]; | |
| 195 } | |
| 196 | |
| 197 bool get isEmpty { | |
| 198 return this.length == 0; | |
| 199 } | |
| 200 | |
| 201 bool get isNotEmpty => !isEmpty; | |
| 202 | |
| 203 Iterable<E> get reversed => | |
| 204 new IterableMixinWorkaround<E>().reversedList(this); | |
| 205 | |
| 206 void sort([int compare(E a, E b)]) { | |
| 207 IterableMixinWorkaround.sortList(this, compare); | |
| 208 } | |
| 209 | |
| 210 void shuffle([Random random]) { | |
| 211 IterableMixinWorkaround.shuffleList(this, random); | |
| 212 } | |
| 213 | |
| 214 int indexOf(Object element, [int start = 0]) { | |
| 215 return Lists.indexOf(this, element, start, this.length); | |
| 216 } | |
| 217 | |
| 218 int lastIndexOf(Object element, [int start = null]) { | |
| 219 if (start == null) start = length - 1; | |
| 220 return Lists.lastIndexOf(this, element, start); | |
| 221 } | |
| 222 | |
| 223 Iterator<E> get iterator { | 81 Iterator<E> get iterator { |
| 224 return new _FixedSizeArrayIterator<E>(this); | 82 return new _FixedSizeArrayIterator<E>(this); |
| 225 } | 83 } |
| 226 | 84 |
| 227 void add(E element) { | |
| 228 throw NonGrowableListError.add(); | |
| 229 } | |
| 230 | |
| 231 void addAll(Iterable<E> iterable) { | |
| 232 throw NonGrowableListError.add(); | |
| 233 } | |
| 234 | |
| 235 void clear() { | |
| 236 throw NonGrowableListError.remove(); | |
| 237 } | |
| 238 | |
| 239 void set length(int length) { | |
| 240 throw NonGrowableListError.length(); | |
| 241 } | |
| 242 | |
| 243 E removeLast() { | |
| 244 throw NonGrowableListError.remove(); | |
| 245 } | |
| 246 | |
| 247 E get first { | 85 E get first { |
| 248 if (length > 0) return this[0]; | 86 if (length > 0) return this[0]; |
| 249 throw IterableElementError.noElement(); | 87 throw IterableElementError.noElement(); |
| 250 } | 88 } |
| 251 | 89 |
| 252 E get last { | 90 E get last { |
| 253 if (length > 0) return this[length - 1]; | 91 if (length > 0) return this[length - 1]; |
| 254 throw IterableElementError.noElement(); | 92 throw IterableElementError.noElement(); |
| 255 } | 93 } |
| 256 | 94 |
| 257 E get single { | 95 E get single { |
| 258 if (length == 1) return this[0]; | 96 if (length == 1) return this[0]; |
| 259 if (length == 0) throw IterableElementError.noElement(); | 97 if (length == 0) throw IterableElementError.noElement(); |
| 260 throw IterableElementError.tooMany(); | 98 throw IterableElementError.tooMany(); |
| 261 } | 99 } |
| 262 | 100 |
| 263 List<E> toList({ bool growable: true }) { | 101 List<E> toList({ bool growable: true }) { |
| 264 var length = this.length; | 102 var length = this.length; |
| 265 if (length > 0) { | 103 if (length > 0) { |
| 266 var result = _slice(0, length, !growable); | 104 var result = _slice(0, length, !growable); |
| 267 if (growable) { | 105 if (growable) { |
| 268 result = new _GrowableList<E>.withData(result); | 106 result = new _GrowableList<E>.withData(result); |
| 269 result._setLength(length); | 107 result._setLength(length); |
| 270 } | 108 } |
| 271 return result; | 109 return result; |
| 272 } | 110 } |
| 273 // _GrowableList.withData must not be called with empty list. | 111 // _GrowableList.withData must not be called with empty list. |
| 274 return growable ? <E>[] : new List<E>(0); | 112 return growable ? <E>[] : new List<E>(0); |
| 275 } | 113 } |
| 276 | |
| 277 Set<E> toSet() { | |
| 278 return new Set<E>.from(this); | |
| 279 } | |
| 280 | |
| 281 Map<int, E> asMap() { | |
| 282 return new IterableMixinWorkaround<E>().asMapList(this); | |
| 283 } | |
| 284 } | 114 } |
| 285 | 115 |
| 286 | 116 |
| 287 // This is essentially the same class as _List, but it does not | 117 // This is essentially the same class as _List, but it does not |
| 288 // permit any modification of array elements from Dart code. We use | 118 // permit any modification of array elements from Dart code. We use |
| 289 // this class for arrays constructed from Dart array literals. | 119 // this class for arrays constructed from Dart array literals. |
| 290 // TODO(hausner): We should consider the trade-offs between two | 120 // TODO(hausner): We should consider the trade-offs between two |
| 291 // classes (and inline cache misses) versus a field in the native | 121 // classes (and inline cache misses) versus a field in the native |
| 292 // implementation (checks when modifying). We should keep watching | 122 // implementation (checks when modifying). We should keep watching |
| 293 // the inline cache misses. | 123 // the inline cache misses. |
| 294 class _ImmutableList<E> implements List<E> { | 124 class _ImmutableList<E> extends UnmodifiableListBase<E> { |
| 295 | 125 |
| 296 factory _ImmutableList._uninstantiable() { | 126 factory _ImmutableList._uninstantiable() { |
| 297 throw new UnsupportedError( | 127 throw new UnsupportedError( |
| 298 "ImmutableArray can only be allocated by the VM"); | 128 "ImmutableArray can only be allocated by the VM"); |
| 299 } | 129 } |
| 300 | 130 |
| 301 factory _ImmutableList._from(List from, int offset, int length) | 131 factory _ImmutableList._from(List from, int offset, int length) |
| 302 native "ImmutableList_from"; | 132 native "ImmutableList_from"; |
| 303 | 133 |
| 304 E operator [](int index) native "List_getIndexed"; | 134 E operator [](int index) native "List_getIndexed"; |
| 305 | 135 |
| 306 void operator []=(int index, E value) { | |
| 307 throw UnmodifiableListError.change(); | |
| 308 } | |
| 309 | |
| 310 int get length native "List_getLength"; | 136 int get length native "List_getLength"; |
| 311 | 137 |
| 312 void insert(int index, E element) { | |
| 313 throw UnmodifiableListError.add(); | |
| 314 } | |
| 315 | |
| 316 void insertAll(int index, Iterable<E> iterable) { | |
| 317 throw UnmodifiableListError.add(); | |
| 318 } | |
| 319 | |
| 320 void setAll(int index, Iterable<E> iterable) { | |
| 321 throw UnmodifiableListError.change(); | |
| 322 } | |
| 323 | |
| 324 E removeAt(int index) { | |
| 325 throw UnmodifiableListError.remove(); | |
| 326 } | |
| 327 | |
| 328 bool remove(Object element) { | |
| 329 throw UnmodifiableListError.remove(); | |
| 330 } | |
| 331 | |
| 332 void removeWhere(bool test(E element)) { | |
| 333 throw UnmodifiableListError.remove(); | |
| 334 } | |
| 335 | |
| 336 void retainWhere(bool test(E element)) { | |
| 337 throw UnmodifiableListError.remove(); | |
| 338 } | |
| 339 | |
| 340 void copyFrom(List src, int srcStart, int dstStart, int count) { | |
| 341 throw UnmodifiableListError.change(); | |
| 342 } | |
| 343 | |
| 344 void setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) { | |
| 345 throw UnmodifiableListError.change(); | |
| 346 } | |
| 347 | |
| 348 void removeRange(int start, int end) { | |
| 349 throw UnmodifiableListError.remove(); | |
| 350 } | |
| 351 | |
| 352 void fillRange(int start, int end, [E fillValue]) { | |
| 353 throw UnmodifiableListError.change(); | |
| 354 } | |
| 355 | |
| 356 void replaceRange(int start, int end, Iterable<E> iterable) { | |
| 357 throw UnmodifiableListError.change(); | |
| 358 } | |
| 359 | |
| 360 List<E> sublist(int start, [int end]) { | 138 List<E> sublist(int start, [int end]) { |
| 361 Lists.indicesCheck(this, start, end); | 139 Lists.indicesCheck(this, start, end); |
| 362 if (end == null) end = this.length; | 140 if (end == null) end = this.length; |
| 363 int length = end - start; | 141 int length = end - start; |
| 364 if (length == 0) return <E>[]; | 142 if (length == 0) return <E>[]; |
| 365 List list = new _List(length); | 143 List list = new _List(length); |
| 366 for (int i = 0; i < length; i++) { | 144 for (int i = 0; i < length; i++) { |
| 367 list[i] = this[start + i]; | 145 list[i] = this[start + i]; |
| 368 } | 146 } |
| 369 var result = new _GrowableList<E>.withData(list); | 147 var result = new _GrowableList<E>.withData(list); |
| 370 result._setLength(length); | 148 result._setLength(length); |
| 371 return result; | 149 return result; |
| 372 } | 150 } |
| 373 | 151 |
| 374 Iterable<E> getRange(int start, int end) { | |
| 375 return new IterableMixinWorkaround<E>().getRangeList(this, start, end); | |
| 376 } | |
| 377 | |
| 378 // Collection interface. | 152 // Collection interface. |
| 379 | 153 |
| 380 bool contains(Object element) { | |
| 381 return IterableMixinWorkaround.contains(this, element); | |
| 382 } | |
| 383 | |
| 384 void forEach(f(E element)) { | 154 void forEach(f(E element)) { |
| 385 final length = this.length; | 155 final length = this.length; |
| 386 for (int i = 0; i < length; i++) { | 156 for (int i = 0; i < length; i++) { |
| 387 f(this[i]); | 157 f(this[i]); |
| 388 } | 158 } |
| 389 } | 159 } |
| 390 | 160 |
| 391 Iterable map(f(E element)) { | |
| 392 return IterableMixinWorkaround.mapList(this, f); | |
| 393 } | |
| 394 | |
| 395 String join([String separator = ""]) { | |
| 396 return IterableMixinWorkaround.joinList(this, separator); | |
| 397 } | |
| 398 | |
| 399 E reduce(E combine(E value, E element)) { | |
| 400 return IterableMixinWorkaround.reduce(this, combine); | |
| 401 } | |
| 402 | |
| 403 fold(initialValue, combine(previousValue, E element)) { | |
| 404 return IterableMixinWorkaround.fold(this, initialValue, combine); | |
| 405 } | |
| 406 | |
| 407 Iterable<E> where(bool f(E element)) { | |
| 408 return new IterableMixinWorkaround<E>().where(this, f); | |
| 409 } | |
| 410 | |
| 411 Iterable expand(Iterable f(E element)) { | |
| 412 return IterableMixinWorkaround.expand(this, f); | |
| 413 } | |
| 414 | |
| 415 Iterable<E> take(int n) { | |
| 416 return new IterableMixinWorkaround<E>().takeList(this, n); | |
| 417 } | |
| 418 | |
| 419 Iterable<E> takeWhile(bool test(E value)) { | |
| 420 return new IterableMixinWorkaround<E>().takeWhile(this, test); | |
| 421 } | |
| 422 | |
| 423 Iterable<E> skip(int n) { | |
| 424 return new IterableMixinWorkaround<E>().skipList(this, n); | |
| 425 } | |
| 426 | |
| 427 Iterable<E> skipWhile(bool test(E value)) { | |
| 428 return new IterableMixinWorkaround<E>().skipWhile(this, test); | |
| 429 } | |
| 430 | |
| 431 bool every(bool f(E element)) { | |
| 432 return IterableMixinWorkaround.every(this, f); | |
| 433 } | |
| 434 | |
| 435 bool any(bool f(E element)) { | |
| 436 return IterableMixinWorkaround.any(this, f); | |
| 437 } | |
| 438 | |
| 439 E firstWhere(bool test(E value), {E orElse()}) { | |
| 440 return IterableMixinWorkaround.firstWhere(this, test, orElse); | |
| 441 } | |
| 442 | |
| 443 E lastWhere(bool test(E value), {E orElse()}) { | |
| 444 return IterableMixinWorkaround.lastWhereList(this, test, orElse); | |
| 445 } | |
| 446 | |
| 447 E singleWhere(bool test(E value)) { | |
| 448 return IterableMixinWorkaround.singleWhere(this, test); | |
| 449 } | |
| 450 | |
| 451 E elementAt(int index) { | |
| 452 return this[index]; | |
| 453 } | |
| 454 | |
| 455 bool get isEmpty { | |
| 456 return this.length == 0; | |
| 457 } | |
| 458 | |
| 459 bool get isNotEmpty => !isEmpty; | |
| 460 | |
| 461 Iterable<E> get reversed => | |
| 462 new IterableMixinWorkaround<E>().reversedList(this); | |
| 463 | |
| 464 void sort([int compare(E a, E b)]) { | |
| 465 throw UnmodifiableListError.change(); | |
| 466 } | |
| 467 | |
| 468 void shuffle([Random random]) { | |
| 469 throw UnmodifiableListError.change(); | |
| 470 } | |
| 471 | |
| 472 String toString() { | |
| 473 return ListBase.listToString(this); | |
| 474 } | |
| 475 | |
| 476 int indexOf(Object element, [int start = 0]) { | |
| 477 return Lists.indexOf(this, element, start, this.length); | |
| 478 } | |
| 479 | |
| 480 int lastIndexOf(Object element, [int start = null]) { | |
| 481 if (start == null) start = length - 1; | |
| 482 return Lists.lastIndexOf(this, element, start); | |
| 483 } | |
| 484 | |
| 485 Iterator<E> get iterator { | 161 Iterator<E> get iterator { |
| 486 return new _FixedSizeArrayIterator<E>(this); | 162 return new _FixedSizeArrayIterator<E>(this); |
| 487 } | 163 } |
| 488 | 164 |
| 489 void add(E element) { | |
| 490 throw UnmodifiableListError.add(); | |
| 491 } | |
| 492 | |
| 493 void addAll(Iterable<E> elements) { | |
| 494 throw UnmodifiableListError.add(); | |
| 495 } | |
| 496 | |
| 497 void clear() { | |
| 498 throw UnmodifiableListError.remove(); | |
| 499 } | |
| 500 | |
| 501 void set length(int length) { | |
| 502 throw UnmodifiableListError.length(); | |
| 503 } | |
| 504 | |
| 505 E removeLast() { | |
| 506 throw UnmodifiableListError.remove(); | |
| 507 } | |
| 508 | |
| 509 E get first { | 165 E get first { |
| 510 if (length > 0) return this[0]; | 166 if (length > 0) return this[0]; |
| 511 throw IterableElementError.noElement(); | 167 throw IterableElementError.noElement(); |
| 512 } | 168 } |
| 513 | 169 |
| 514 E get last { | 170 E get last { |
| 515 if (length > 0) return this[length - 1]; | 171 if (length > 0) return this[length - 1]; |
| 516 throw IterableElementError.noElement(); | 172 throw IterableElementError.noElement(); |
| 517 } | 173 } |
| 518 | 174 |
| (...skipping 10 matching lines...) Expand all Loading... |
| 529 for (int i = 0; i < length; i++) { | 185 for (int i = 0; i < length; i++) { |
| 530 list[i] = this[i]; | 186 list[i] = this[i]; |
| 531 } | 187 } |
| 532 if (!growable) return list; | 188 if (!growable) return list; |
| 533 var result = new _GrowableList<E>.withData(list); | 189 var result = new _GrowableList<E>.withData(list); |
| 534 result._setLength(length); | 190 result._setLength(length); |
| 535 return result; | 191 return result; |
| 536 } | 192 } |
| 537 return growable ? <E>[] : new _List<E>(0); | 193 return growable ? <E>[] : new _List<E>(0); |
| 538 } | 194 } |
| 539 | |
| 540 Set<E> toSet() { | |
| 541 return new Set<E>.from(this); | |
| 542 } | |
| 543 | |
| 544 Map<int, E> asMap() { | |
| 545 return new IterableMixinWorkaround<E>().asMapList(this); | |
| 546 } | |
| 547 } | 195 } |
| 548 | 196 |
| 549 | 197 |
| 550 // Iterator for arrays with fixed size. | 198 // Iterator for arrays with fixed size. |
| 551 class _FixedSizeArrayIterator<E> implements Iterator<E> { | 199 class _FixedSizeArrayIterator<E> implements Iterator<E> { |
| 552 final List<E> _array; | 200 final List<E> _array; |
| 553 final int _length; // Cache array length for faster access. | 201 final int _length; // Cache array length for faster access. |
| 554 int _index; | 202 int _index; |
| 555 E _current; | 203 E _current; |
| 556 | 204 |
| 557 _FixedSizeArrayIterator(List array) | 205 _FixedSizeArrayIterator(List array) |
| 558 : _array = array, _length = array.length, _index = 0 { | 206 : _array = array, _length = array.length, _index = 0 { |
| 559 assert(array is _List || array is _ImmutableList); | 207 assert(array is _List || array is _ImmutableList); |
| 560 } | 208 } |
| 561 | 209 |
| 562 E get current => _current; | 210 E get current => _current; |
| 563 | 211 |
| 564 bool moveNext() { | 212 bool moveNext() { |
| 565 if (_index >= _length) { | 213 if (_index >= _length) { |
| 566 _current = null; | 214 _current = null; |
| 567 return false; | 215 return false; |
| 568 } | 216 } |
| 569 _current = _array[_index]; | 217 _current = _array[_index]; |
| 570 _index++; | 218 _index++; |
| 571 return true; | 219 return true; |
| 572 } | 220 } |
| 573 } | 221 } |
| OLD | NEW |