Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(467)

Side by Side Diff: test/dart_codegen/expect/collection/splay_tree.dart

Issue 1148283010: Remove dart backend (Closed) Base URL: https://github.com/dart-lang/dev_compiler.git@master
Patch Set: Created 5 years, 6 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
OLDNEW
(Empty)
1 part of dart.collection;
2 typedef bool _Predicate<T>(T value);
3 class _SplayTreeNode<K> {final K key;
4 _SplayTreeNode<K> left;
5 _SplayTreeNode<K> right;
6 _SplayTreeNode(K this.key);
7 }
8 class _SplayTreeMapNode<K, V> extends _SplayTreeNode<K> {V value;
9 _SplayTreeMapNode(K key, V this.value) : super(key);
10 }
11 abstract class _SplayTree<K> {_SplayTreeNode<K> _root;
12 _SplayTreeNode<K> _dummy = new _SplayTreeNode<K>(null);
13 int _count = 0;
14 int _modificationCount = 0;
15 int _splayCount = 0;
16 int _compare(K key1, K key2);
17 int _splay(K key) {
18 if (_root == null) return -1;
19 _SplayTreeNode<K> left = _dummy;
20 _SplayTreeNode<K> right = _dummy;
21 _SplayTreeNode<K> current = _root;
22 int comp;
23 while (true) {
24 comp = _compare(current.key, key);
25 if (comp > 0) {
26 if (current.left == null) break;
27 comp = _compare(current.left.key, key);
28 if (comp > 0) {
29 _SplayTreeNode<K> tmp = current.left;
30 current.left = tmp.right;
31 tmp.right = current;
32 current = tmp;
33 if (current.left == null) break;
34 }
35 right.left = current;
36 right = current;
37 current = current.left;
38 }
39 else if (comp < 0) {
40 if (current.right == null) break;
41 comp = _compare(current.right.key, key);
42 if (comp < 0) {
43 _SplayTreeNode<K> tmp = current.right;
44 current.right = tmp.left;
45 tmp.left = current;
46 current = tmp;
47 if (current.right == null) break;
48 }
49 left.right = current;
50 left = current;
51 current = current.right;
52 }
53 else {
54 break;
55 }
56 }
57 left.right = current.left;
58 right.left = current.right;
59 current.left = _dummy.right;
60 current.right = _dummy.left;
61 _root = current;
62 _dummy.right = null;
63 _dummy.left = null;
64 _splayCount++;
65 return comp;
66 }
67 _SplayTreeNode<K> _splayMin(_SplayTreeNode<K> node) {
68 _SplayTreeNode current = node;
69 while (current.left != null) {
70 _SplayTreeNode left = current.left;
71 current.left = left.right;
72 left.right = current;
73 current = left;
74 }
75 return DEVC$RT.cast(current, DEVC$RT.type((_SplayTreeNode<dynamic> _) {
76 }
77 ), DEVC$RT.type((_SplayTreeNode<K> _) {
78 }
79 ), "CompositeCast", """line 151, column 12 of dart:collection/splay_tree.dart: " "", current is _SplayTreeNode<K>, false);
80 }
81 _SplayTreeNode<K> _splayMax(_SplayTreeNode<K> node) {
82 _SplayTreeNode current = node;
83 while (current.right != null) {
84 _SplayTreeNode right = current.right;
85 current.right = right.left;
86 right.left = current;
87 current = right;
88 }
89 return DEVC$RT.cast(current, DEVC$RT.type((_SplayTreeNode<dynamic> _) {
90 }
91 ), DEVC$RT.type((_SplayTreeNode<K> _) {
92 }
93 ), "CompositeCast", """line 167, column 12 of dart:collection/splay_tree.dart: " "", current is _SplayTreeNode<K>, false);
94 }
95 _SplayTreeNode _remove(K key) {
96 if (_root == null) return null;
97 int comp = _splay(key);
98 if (comp != 0) return null;
99 _SplayTreeNode result = _root;
100 _count--;
101 if (_root.left == null) {
102 _root = _root.right;
103 }
104 else {
105 _SplayTreeNode<K> right = _root.right;
106 _root = _splayMax(_root.left);
107 _root.right = right;
108 }
109 _modificationCount++;
110 return result;
111 }
112 void _addNewRoot(_SplayTreeNode<K> node, int comp) {
113 _count++;
114 _modificationCount++;
115 if (_root == null) {
116 _root = node;
117 return;}
118 if (comp < 0) {
119 node.left = _root;
120 node.right = _root.right;
121 _root.right = null;
122 }
123 else {
124 node.right = _root;
125 node.left = _root.left;
126 _root.left = null;
127 }
128 _root = node;
129 }
130 _SplayTreeNode get _first {
131 if (_root == null) return null;
132 _root = _splayMin(_root);
133 return _root;
134 }
135 _SplayTreeNode get _last {
136 if (_root == null) return null;
137 _root = _splayMax(_root);
138 return _root;
139 }
140 void _clear() {
141 _root = null;
142 _count = 0;
143 _modificationCount++;
144 }
145 }
146 class SplayTreeMap<K, V> extends _SplayTree<K> implements Map<K, V> {Comparator <K> _comparator;
147 _Predicate<Object> _validKey;
148 SplayTreeMap([int compare(K key1, K key2), bool isValidKey(Object potentialKey) ]) : _comparator = ((__x12) => DEVC$RT.cast(__x12, dynamic, DEVC$RT.type((Compar ator<K> _) {
149 }
150 ), "CompositeCast", """line 265, column 23 of dart:collection/splay_tree.dart: " "", __x12 is Comparator<K>, false))((compare == null) ? Comparable.compare : com pare), _validKey = (isValidKey != null) ? isValidKey : ((v) => v is K);
151 factory SplayTreeMap.from(Map other, [int compare(K key1, K key2), bool isValid Key(Object potentialKey)]) {
152 SplayTreeMap<K, V> result = new SplayTreeMap<K, V>();
153 other.forEach((k, v) {
154 result[DEVC$RT.cast(k, dynamic, K, "CompositeCast", """line 275, column 35 of da rt:collection/splay_tree.dart: """, k is K, false)] = DEVC$RT.cast(v, dynamic, V , "CompositeCast", """line 275, column 40 of dart:collection/splay_tree.dart: "" ", v is V, false);
155 }
156 );
157 return result;
158 }
159 factory SplayTreeMap.fromIterable(Iterable iterable, {
160 K key(element), V value(element), int compare(K key1, K key2), bool isValidKey(O bject potentialKey)}
161 ) {
162 SplayTreeMap<K, V> map = new SplayTreeMap<K, V>(compare, isValidKey);
163 Maps._fillMapWithMappedIterable(map, iterable, key, value);
164 return map;
165 }
166 factory SplayTreeMap.fromIterables(Iterable<K> keys, Iterable<V> values, [int c ompare(K key1, K key2), bool isValidKey(Object potentialKey)]) {
167 SplayTreeMap<K, V> map = new SplayTreeMap<K, V>(compare, isValidKey);
168 Maps._fillMapWithIterables(map, keys, values);
169 return map;
170 }
171 int _compare(K key1, K key2) => _comparator(key1, key2);
172 SplayTreeMap._internal();
173 V operator [](Object key) {
174 if (key == null) throw new ArgumentError(key);
175 if (!_validKey(key)) return null;
176 if (_root != null) {
177 int comp = _splay(DEVC$RT.cast(key, Object, K, "CompositeCast", """line 328, col umn 25 of dart:collection/splay_tree.dart: """, key is K, false));
178 if (comp == 0) {
179 _SplayTreeMapNode mapRoot = DEVC$RT.cast(_root, DEVC$RT.type((_SplayTreeNode<K> _) {
180 }
181 ), DEVC$RT.type((_SplayTreeMapNode<dynamic, dynamic> _) {
182 }
183 ), "AssignmentCast", """line 330, column 37 of dart:collection/splay_tree.dart: """, _root is _SplayTreeMapNode<dynamic, dynamic>, true);
184 return DEVC$RT.cast(mapRoot.value, dynamic, V, "CompositeCast", """line 331, co lumn 16 of dart:collection/splay_tree.dart: """, mapRoot.value is V, false);
185 }
186 }
187 return null;
188 }
189 V remove(Object key) {
190 if (!_validKey(key)) return null;
191 _SplayTreeMapNode mapRoot = ((__x13) => DEVC$RT.cast(__x13, DEVC$RT.type((_Spla yTreeNode<dynamic> _) {
192 }
193 ), DEVC$RT.type((_SplayTreeMapNode<dynamic, dynamic> _) {
194 }
195 ), "AssignmentCast", """line 339, column 33 of dart:collection/splay_tree.dart: """, __x13 is _SplayTreeMapNode<dynamic, dynamic>, true))(_remove(DEVC$RT.cast(k ey, Object, K, "CompositeCast", """line 339, column 41 of dart:collection/splay_ tree.dart: """, key is K, false)));
196 if (mapRoot != null) return DEVC$RT.cast(mapRoot.value, dynamic, V, "CompositeC ast", """line 340, column 33 of dart:collection/splay_tree.dart: """, mapRoot.va lue is V, false);
197 return null;
198 }
199 void operator []=(K key, V value) {
200 if (key == null) throw new ArgumentError(key);
201 int comp = _splay(key);
202 if (comp == 0) {
203 _SplayTreeMapNode mapRoot = DEVC$RT.cast(_root, DEVC$RT.type((_SplayTreeNode<K> _) {
204 }
205 ), DEVC$RT.type((_SplayTreeMapNode<dynamic, dynamic> _) {
206 }
207 ), "AssignmentCast", """line 350, column 35 of dart:collection/splay_tree.dart: """, _root is _SplayTreeMapNode<dynamic, dynamic>, true);
208 mapRoot.value = value;
209 return;}
210 _addNewRoot(new _SplayTreeMapNode<K, dynamic>(key, value), comp);
211 }
212 V putIfAbsent(K key, V ifAbsent()) {
213 if (key == null) throw new ArgumentError(key);
214 int comp = _splay(key);
215 if (comp == 0) {
216 _SplayTreeMapNode mapRoot = DEVC$RT.cast(_root, DEVC$RT.type((_SplayTreeNode<K> _) {
217 }
218 ), DEVC$RT.type((_SplayTreeMapNode<dynamic, dynamic> _) {
219 }
220 ), "AssignmentCast", """line 362, column 35 of dart:collection/splay_tree.dart: """, _root is _SplayTreeMapNode<dynamic, dynamic>, true);
221 return DEVC$RT.cast(mapRoot.value, dynamic, V, "CompositeCast", """line 363, co lumn 14 of dart:collection/splay_tree.dart: """, mapRoot.value is V, false);
222 }
223 int modificationCount = _modificationCount;
224 int splayCount = _splayCount;
225 V value = ifAbsent();
226 if (modificationCount != _modificationCount) {
227 throw new ConcurrentModificationError(this);
228 }
229 if (splayCount != _splayCount) {
230 comp = _splay(key);
231 assert (comp != 0);}
232 _addNewRoot(new _SplayTreeMapNode<K, dynamic>(key, value), comp);
233 return value;
234 }
235 void addAll(Map<K, V> other) {
236 other.forEach((K key, V value) {
237 this[key] = value;
238 }
239 );
240 }
241 bool get isEmpty {
242 return (_root == null);
243 }
244 bool get isNotEmpty => !isEmpty;
245 void forEach(void f(K key, V value)) {
246 Iterator<_SplayTreeNode<K>> nodes = new _SplayTreeNodeIterator<K>(this);
247 while (nodes.moveNext()) {
248 _SplayTreeMapNode<K, V> node = DEVC$RT.cast(nodes.current, DEVC$RT.type((_SplayT reeNode<K> _) {
249 }
250 ), DEVC$RT.type((_SplayTreeMapNode<K, V> _) {
251 }
252 ), "CompositeCast", """line 394, column 38 of dart:collection/splay_tree.dart: " "", nodes.current is _SplayTreeMapNode<K, V>, false);
253 f(node.key, node.value);
254 }
255 }
256 int get length {
257 return _count;
258 }
259 void clear() {
260 _clear();
261 }
262 bool containsKey(Object key) {
263 return _validKey(key) && _splay(DEVC$RT.cast(key, Object, K, "CompositeCast", "" "line 408, column 37 of dart:collection/splay_tree.dart: """, key is K, false)) == 0;
264 }
265 bool containsValue(Object value) {
266 bool found = false;
267 int initialSplayCount = _splayCount;
268 bool visit(_SplayTreeMapNode node) {
269 while (node != null) {
270 if (node.value == value) return true;
271 if (initialSplayCount != _splayCount) {
272 throw new ConcurrentModificationError(this);
273 }
274 if (node.right != null && visit(DEVC$RT.cast(node.right, DEVC$RT.type((_SplayTr eeNode<dynamic> _) {
275 }
276 ), DEVC$RT.type((_SplayTreeMapNode<dynamic, dynamic> _) {
277 }
278 ), "ImplicitCast", """line 420, column 41 of dart:collection/splay_tree.dart: "" ", node.right is _SplayTreeMapNode<dynamic, dynamic>, true))) return true;
279 node = DEVC$RT.cast(node.left, DEVC$RT.type((_SplayTreeNode<dynamic> _) {
280 }
281 ), DEVC$RT.type((_SplayTreeMapNode<dynamic, dynamic> _) {
282 }
283 ), "ImplicitCast", """line 421, column 16 of dart:collection/splay_tree.dart: "" ", node.left is _SplayTreeMapNode<dynamic, dynamic>, true);
284 }
285 return false;
286 }
287 return visit(DEVC$RT.cast(_root, DEVC$RT.type((_SplayTreeNode<K> _) {
288 }
289 ), DEVC$RT.type((_SplayTreeMapNode<dynamic, dynamic> _) {
290 }
291 ), "ImplicitCast", """line 425, column 18 of dart:collection/splay_tree.dart: "" ", _root is _SplayTreeMapNode<dynamic, dynamic>, true));
292 }
293 Iterable<K> get keys => new _SplayTreeKeyIterable<K>(this);
294 Iterable<V> get values => new _SplayTreeValueIterable<K, V>(this);
295 String toString() {
296 return Maps.mapToString(this);
297 }
298 K firstKey() {
299 if (_root == null) return null;
300 return DEVC$RT.cast(_first.key, dynamic, K, "CompositeCast", """line 441, colum n 12 of dart:collection/splay_tree.dart: """, _first.key is K, false);
301 }
302 K lastKey() {
303 if (_root == null) return null;
304 return DEVC$RT.cast(_last.key, dynamic, K, "CompositeCast", """line 449, column 12 of dart:collection/splay_tree.dart: """, _last.key is K, false);
305 }
306 K lastKeyBefore(K key) {
307 if (key == null) throw new ArgumentError(key);
308 if (_root == null) return null;
309 int comp = _splay(key);
310 if (comp < 0) return _root.key;
311 _SplayTreeNode<K> node = _root.left;
312 if (node == null) return null;
313 while (node.right != null) {
314 node = node.right;
315 }
316 return node.key;
317 }
318 K firstKeyAfter(K key) {
319 if (key == null) throw new ArgumentError(key);
320 if (_root == null) return null;
321 int comp = _splay(key);
322 if (comp > 0) return _root.key;
323 _SplayTreeNode<K> node = _root.right;
324 if (node == null) return null;
325 while (node.left != null) {
326 node = node.left;
327 }
328 return node.key;
329 }
330 }
331 abstract class _SplayTreeIterator<T> implements Iterator<T> {final _SplayTree _ tree;
332 final List<_SplayTreeNode> _workList = <_SplayTreeNode> [];
333 int _modificationCount;
334 int _splayCount;
335 _SplayTreeNode _currentNode;
336 _SplayTreeIterator(_SplayTree tree) : _tree = tree, _modificationCount = tree._ modificationCount, _splayCount = tree._splayCount {
337 _findLeftMostDescendent(tree._root);
338 }
339 _SplayTreeIterator.startAt(_SplayTree tree, var startKey) : _tree = tree, _modi ficationCount = tree._modificationCount {
340 if (tree._root == null) return; int compare = tree._splay(startKey);
341 _splayCount = tree._splayCount;
342 if (compare < 0) {
343 _findLeftMostDescendent(tree._root.right);
344 }
345 else {
346 _workList.add(tree._root);
347 }
348 }
349 T get current {
350 if (_currentNode == null) return null;
351 return _getValue(DEVC$RT.cast(_currentNode, DEVC$RT.type((_SplayTreeNode<dynami c> _) {
352 }
353 ), DEVC$RT.type((_SplayTreeMapNode<dynamic, dynamic> _) {
354 }
355 ), "ImplicitCast", """line 545, column 22 of dart:collection/splay_tree.dart: "" ", _currentNode is _SplayTreeMapNode<dynamic, dynamic>, true));
356 }
357 void _findLeftMostDescendent(_SplayTreeNode node) {
358 while (node != null) {
359 _workList.add(node);
360 node = node.left;
361 }
362 }
363 void _rebuildWorkList(_SplayTreeNode currentNode) {
364 assert (!_workList.isEmpty); _workList.clear();
365 if (currentNode == null) {
366 _findLeftMostDescendent(_tree._root);
367 }
368 else {
369 _tree._splay(currentNode.key);
370 _findLeftMostDescendent(_tree._root.right);
371 assert (!_workList.isEmpty);}
372 }
373 bool moveNext() {
374 if (_modificationCount != _tree._modificationCount) {
375 throw new ConcurrentModificationError(_tree);
376 }
377 if (_workList.isEmpty) {
378 _currentNode = null;
379 return false;
380 }
381 if (_tree._splayCount != _splayCount && _currentNode != null) {
382 _rebuildWorkList(_currentNode);
383 }
384 _currentNode = _workList.removeLast();
385 _findLeftMostDescendent(_currentNode.right);
386 return true;
387 }
388 T _getValue(_SplayTreeMapNode node);
389 }
390 class _SplayTreeKeyIterable<K> extends IterableBase<K> implements EfficientLeng th {_SplayTree<K> _tree;
391 _SplayTreeKeyIterable(this._tree);
392 int get length => _tree._count;
393 bool get isEmpty => _tree._count == 0;
394 Iterator<K> get iterator => new _SplayTreeKeyIterator<K>(_tree);
395 Set<K> toSet() {
396 var setOrMap = _tree;
397 SplayTreeSet<K> set = new SplayTreeSet<K>(DEVC$RT.cast(setOrMap._comparator, dy namic, DEVC$RT.type((__CastType14<K> _) {
398 }
399 ), "CompositeCast", """line 610, column 29 of dart:collection/splay_tree.dart: " "", setOrMap._comparator is __CastType14<K>, false), DEVC$RT.cast(setOrMap._vali dKey, dynamic, __CastType17, "CompositeCast", """line 610, column 51 of dart:col lection/splay_tree.dart: """, setOrMap._validKey is __CastType17, false));
400 set._count = _tree._count;
401 set._root = set._copyNode(_tree._root);
402 return set;
403 }
404 }
405 class _SplayTreeValueIterable<K, V> extends IterableBase<V> implements Efficien tLength {SplayTreeMap<K, V> _map;
406 _SplayTreeValueIterable(this._map);
407 int get length => _map._count;
408 bool get isEmpty => _map._count == 0;
409 Iterator<V> get iterator => new _SplayTreeValueIterator<K, V>(_map);
410 }
411 class _SplayTreeKeyIterator<K> extends _SplayTreeIterator<K> {_SplayTreeKeyIter ator(_SplayTree<K> map) : super(map);
412 K _getValue(_SplayTreeNode node) => DEVC$RT.cast(node.key, dynamic, K, "Composi teCast", """line 628, column 39 of dart:collection/splay_tree.dart: """, node.ke y is K, false);
413 }
414 class _SplayTreeValueIterator<K, V> extends _SplayTreeIterator<V> {_SplayTreeVa lueIterator(SplayTreeMap<K, V> map) : super(map);
415 V _getValue(_SplayTreeMapNode node) => DEVC$RT.cast(node.value, dynamic, V, "Co mpositeCast", """line 633, column 42 of dart:collection/splay_tree.dart: """, no de.value is V, false);
416 }
417 class _SplayTreeNodeIterator<K> extends _SplayTreeIterator<_SplayTreeNode<K>> { _SplayTreeNodeIterator(_SplayTree<K> tree) : super(tree);
418 _SplayTreeNodeIterator.startAt(_SplayTree<K> tree, var startKey) : super.startA t(tree, startKey);
419 _SplayTreeNode<K> _getValue(_SplayTreeNode node) => DEVC$RT.cast(node, DEVC$RT. type((_SplayTreeNode<dynamic> _) {
420 }
421 ), DEVC$RT.type((_SplayTreeNode<K> _) {
422 }
423 ), "CompositeCast", """line 641, column 55 of dart:collection/splay_tree.dart: " "", node is _SplayTreeNode<K>, false);
424 }
425 class SplayTreeSet<E> extends _SplayTree<E> with IterableMixin<E>, SetMixin<E> {Comparator<E> _comparator;
426 _Predicate<Object> _validKey;
427 SplayTreeSet([int compare(E key1, E key2), bool isValidKey(Object potentialKey) ]) : _comparator = ((__x19) => DEVC$RT.cast(__x19, dynamic, DEVC$RT.type((Compar ator<E> _) {
428 }
429 ), "CompositeCast", """line 691, column 23 of dart:collection/splay_tree.dart: " "", __x19 is Comparator<E>, false))((compare == null) ? Comparable.compare : com pare), _validKey = (isValidKey != null) ? isValidKey : ((v) => v is E);
430 factory SplayTreeSet.from(Iterable elements, [int compare(E key1, E key2), bool isValidKey(Object potentialKey)]) {
431 SplayTreeSet<E> result = new SplayTreeSet<E>(compare, isValidKey);
432 for (final E element in DEVC$RT.cast(elements, DEVC$RT.type((Iterable<dynamic> _) {
433 }
434 ), DEVC$RT.type((Iterable<E> _) {
435 }
436 ), "CompositeCast", """line 705, column 29 of dart:collection/splay_tree.dart: " "", elements is Iterable<E>, false)) {
437 result.add(element);
438 }
439 return result;
440 }
441 int _compare(E e1, E e2) => _comparator(e1, e2);
442 Iterator<E> get iterator => new _SplayTreeKeyIterator<E>(this);
443 int get length => _count;
444 bool get isEmpty => _root == null;
445 bool get isNotEmpty => _root != null;
446 E get first {
447 if (_count == 0) throw IterableElementError.noElement();
448 return DEVC$RT.cast(_first.key, dynamic, E, "CompositeCast", """line 723, colum n 12 of dart:collection/splay_tree.dart: """, _first.key is E, false);
449 }
450 E get last {
451 if (_count == 0) throw IterableElementError.noElement();
452 return DEVC$RT.cast(_last.key, dynamic, E, "CompositeCast", """line 728, column 12 of dart:collection/splay_tree.dart: """, _last.key is E, false);
453 }
454 E get single {
455 if (_count == 0) throw IterableElementError.noElement();
456 if (_count > 1) throw IterableElementError.tooMany();
457 return _root.key;
458 }
459 bool contains(Object object) {
460 return _validKey(object) && _splay(DEVC$RT.cast(object, Object, E, "CompositeCas t", """line 739, column 40 of dart:collection/splay_tree.dart: """, object is E, false)) == 0;
461 }
462 bool add(E element) {
463 int compare = _splay(element);
464 if (compare == 0) return false;
465 _addNewRoot(new _SplayTreeNode<E>(element), compare);
466 return true;
467 }
468 bool remove(Object object) {
469 if (!_validKey(object)) return false;
470 return _remove(DEVC$RT.cast(object, Object, E, "CompositeCast", """line 751, co lumn 20 of dart:collection/splay_tree.dart: """, object is E, false)) != null;
471 }
472 void addAll(Iterable<E> elements) {
473 for (E element in elements) {
474 int compare = _splay(element);
475 if (compare != 0) {
476 _addNewRoot(new _SplayTreeNode<E>(element), compare);
477 }
478 }
479 }
480 void removeAll(Iterable<Object> elements) {
481 for (Object element in elements) {
482 if (_validKey(element)) _remove(DEVC$RT.cast(element, Object, E, "CompositeCast" , """line 765, column 39 of dart:collection/splay_tree.dart: """, element is E, false));
483 }
484 }
485 void retainAll(Iterable<Object> elements) {
486 SplayTreeSet<E> retainSet = new SplayTreeSet<E>(_comparator, _validKey);
487 int modificationCount = _modificationCount;
488 for (Object object in elements) {
489 if (modificationCount != _modificationCount) {
490 throw new ConcurrentModificationError(this);
491 }
492 if (_validKey(object) && _splay(DEVC$RT.cast(object, Object, E, "CompositeCast" , """line 779, column 39 of dart:collection/splay_tree.dart: """, object is E, f alse)) == 0) retainSet.add(_root.key);
493 }
494 if (retainSet._count != _count) {
495 _root = retainSet._root;
496 _count = retainSet._count;
497 _modificationCount++;
498 }
499 }
500 E lookup(Object object) {
501 if (!_validKey(object)) return null;
502 int comp = _splay(DEVC$RT.cast(object, Object, E, "CompositeCast", """line 791, column 23 of dart:collection/splay_tree.dart: """, object is E, false));
503 if (comp != 0) return null;
504 return _root.key;
505 }
506 Set<E> intersection(Set<Object> other) {
507 Set<E> result = new SplayTreeSet<E>(_comparator, _validKey);
508 for (E element in this) {
509 if (other.contains(element)) result.add(element);
510 }
511 return result;
512 }
513 Set<E> difference(Set<Object> other) {
514 Set<E> result = new SplayTreeSet<E>(_comparator, _validKey);
515 for (E element in this) {
516 if (!other.contains(element)) result.add(element);
517 }
518 return result;
519 }
520 Set<E> union(Set<E> other) {
521 return _clone()..addAll(other);
522 }
523 SplayTreeSet<E> _clone() {
524 var set = new SplayTreeSet<E>(_comparator, _validKey);
525 set._count = _count;
526 set._root = _copyNode(_root);
527 return set;
528 }
529 _SplayTreeNode<E> _copyNode(_SplayTreeNode<E> node) {
530 if (node == null) return null;
531 return new _SplayTreeNode<E>(node.key)..left = _copyNode(node.left)..right = _c opyNode(node.right);
532 }
533 void clear() {
534 _clear();
535 }
536 Set<E> toSet() => _clone();
537 String toString() => IterableBase.iterableToFullString(this, '{', '}');
538 }
539 typedef int __CastType14<K>(K __u15, K __u16);
540 typedef bool __CastType17(Object __u18);
OLDNEW
« no previous file with comments | « test/dart_codegen/expect/collection/set.dart ('k') | test/dart_codegen/expect/convert/ascii.dart » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698