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Unified Diff: pkg/compiler/lib/src/util/link.dart

Issue 693183006: Revert "Move dart2js from sdk/lib/_internal/compiler to pkg/compiler" (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Created 6 years, 1 month ago
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Index: pkg/compiler/lib/src/util/link.dart
diff --git a/pkg/compiler/lib/src/util/link.dart b/pkg/compiler/lib/src/util/link.dart
deleted file mode 100644
index c633abebb7f952778bbea35bda9c68978cae9083..0000000000000000000000000000000000000000
--- a/pkg/compiler/lib/src/util/link.dart
+++ /dev/null
@@ -1,147 +0,0 @@
-// Copyright (c) 2011, 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 dart2js.util;
-
-class Link<T> {
- T get head => throw new StateError("no elements");
- Link<T> get tail => null;
-
- const Link();
-
- Link<T> prepend(T element) {
- return new LinkEntry<T>(element, this);
- }
-
- Iterator<T> get iterator => new LinkIterator<T>(this);
-
- void printOn(StringBuffer buffer, [separatedBy]) {
- }
-
- List<T> toList({ bool growable: true }) {
- List<T> result;
- if (!growable) {
- result = new List<T>(slowLength());
- } else {
- result = new List<T>();
- result.length = slowLength();
- }
- int i = 0;
- for (Link<T> link = this; !link.isEmpty; link = link.tail) {
- result[i++] = link.head;
- }
- return result;
- }
-
- /// Lazily maps over this linked list, returning an [Iterable].
- Iterable map(dynamic fn(T item)) {
- return new MappedLinkIterable<T,dynamic>(this, fn);
- }
-
- /// Invokes `fn` for every item in the linked list and returns the results
- /// in a [List].
- List mapToList(dynamic fn(T item), { bool growable: true }) {
- List result;
- if (!growable) {
- result = new List(slowLength());
- } else {
- result = new List();
- result.length = slowLength();
- }
- int i = 0;
- for (Link<T> link = this; !link.isEmpty; link = link.tail) {
- result[i++] = fn(link.head);
- }
- return result;
- }
-
- /// Invokes `fn` for every item in the linked list and returns the results
- /// in a [Set].
- Set mapToSet(dynamic fn(T item)) {
- Set result = new Set();
- for (Link<T> link = this; !link.isEmpty; link = link.tail) {
- result.add(fn(link.head));
- }
- return result;
- }
-
- bool get isEmpty => true;
-
- Link<T> reverse() => this;
-
- Link<T> reversePrependAll(Link<T> from) {
- if (from.isEmpty) return this;
- return this.prepend(from.head).reversePrependAll(from.tail);
- }
-
- Link<T> skip(int n) {
- if (n == 0) return this;
- throw new RangeError('Index $n out of range');
- }
-
- void forEach(void f(T element)) {}
-
- bool operator ==(other) {
- if (other is !Link<T>) return false;
- return other.isEmpty;
- }
-
- int get hashCode => throw new UnsupportedError('Link.hashCode');
-
- String toString() => "[]";
-
- get length {
- throw new UnsupportedError('get:length');
- }
-
- int slowLength() => 0;
-
- // TODO(ahe): Remove this method?
- bool contains(T element) {
- for (Link<T> link = this; !link.isEmpty; link = link.tail) {
- if (link.head == element) return true;
- }
- return false;
- }
-
- // TODO(ahe): Remove this method?
- T get single {
- if (isEmpty) throw new StateError('No elements');
- if (!tail.isEmpty) throw new StateError('More than one element');
- return head;
- }
-
- // TODO(ahe): Remove this method?
- T get first {
- if (isEmpty) throw new StateError('No elements');
- return head;
- }
-
- /// Returns true if f returns true for all elements of this list.
- ///
- /// Returns true for the empty list.
- bool every(bool f(T)) {
- for (Link<T> link = this; !link.isEmpty; link = link.tail){
- if (!f(link.head)) return false;
- }
- return true;
- }
-}
-
-abstract class LinkBuilder<T> {
- factory LinkBuilder() = LinkBuilderImplementation;
-
- /**
- * Prepends all elements added to the builder to [tail]. The resulting list is
- * returned and the builder is cleared.
- */
- Link<T> toLink([Link<T> tail = const Link()]);
-
- List<T> toList();
-
- void addLast(T t);
-
- final int length;
- final bool isEmpty;
-}
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