| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| // part of "core_patch.dart"; |
| |
| @patch |
| class List<E> { |
| @patch |
| factory List.empty({bool growable = false}) { |
| return growable ? <E>[] : _List<E>(0); |
| } |
| |
| @patch |
| @pragma("vm:recognized", "other") |
| @pragma("vm:external-name", "List_new") |
| external factory List([int? length]); |
| |
| @patch |
| factory List.filled(int length, E fill, {bool growable: false}) { |
| // All error handling on the length parameter is done at the implementation |
| // of new _List. |
| var result = growable ? new _GrowableList<E>(length) : new _List<E>(length); |
| if (fill != null) { |
| for (int i = 0; i < length; i++) { |
| result[i] = fill; |
| } |
| } |
| return result; |
| } |
| |
| @patch |
| factory List.from(Iterable elements, {bool growable: true}) { |
| // If elements is an Iterable<E>, we won't need a type-test for each |
| // element. |
| if (elements is Iterable<E>) { |
| return List.of(elements, growable: growable); |
| } |
| |
| List<E> list = new _GrowableList<E>(0); |
| for (E e in elements) { |
| list.add(e); |
| } |
| if (growable) return list; |
| return makeListFixedLength(list); |
| } |
| |
| @patch |
| factory List.of(Iterable<E> elements, {bool growable: true}) { |
| if (growable) { |
| return _GrowableList.of(elements); |
| } else { |
| return _List.of(elements); |
| } |
| } |
| |
| @patch |
| @pragma("vm:prefer-inline") |
| factory List.generate(int length, E generator(int index), |
| {bool growable = true}) { |
| final List<E> result = |
| growable ? new _GrowableList<E>(length) : new _List<E>(length); |
| for (int i = 0; i < result.length; ++i) { |
| result[i] = generator(i); |
| } |
| return result; |
| } |
| |
| @patch |
| factory List.unmodifiable(Iterable elements) { |
| final result = new List<E>.from(elements, growable: false); |
| return makeFixedListUnmodifiable(result); |
| } |
| } |
| |
| // Used by Dart_ListLength. |
| @pragma("vm:entry-point", "call") |
| int _listLength(List list) => list.length; |
| |
| // Used by Dart_ListGetRange, Dart_ListGetAsBytes. |
| @pragma("vm:entry-point", "call") |
| Object? _listGetAt(List list, int index) => list[index]; |
| |
| // Used by Dart_ListSetAt, Dart_ListSetAsBytes. |
| @pragma("vm:entry-point", "call") |
| void _listSetAt(List list, int index, Object? value) { |
| list[index] = value; |
| } |