Revert "Move dart2js from sdk/lib/_internal/compiler to pkg/compiler"

pkg/compiler/lib/src/helpers/debug_collection.dart

-// Copyright (c) 2014, 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.helpers;
-
-typedef void DebugCallback(String methodName, var arg1, var arg2);
-
-class DebugMap<K, V> implements Map<K, V> {
-  final Map<K, V> map;
-  DebugCallback indexSetCallBack;
-  DebugCallback putIfAbsentCallBack;
-
-  DebugMap(this.map, {DebugCallback addCallback}) {
-    if (addCallback != null) {
-      this.addCallback = addCallback;
-    }
-  }
-
-  void set addCallback(DebugCallback value) {
-    indexSetCallBack = value;
-    putIfAbsentCallBack = value;
-  }
-
-  bool containsValue(Object value) {
-    return map.containsValue(value);
-  }
-
-  bool containsKey(Object key) => map.containsKey(key);
-
-  V operator [](Object key) => map[key];
-
-  void operator []=(K key, V value) {
-    if (indexSetCallBack != null) {
-      indexSetCallBack('[]=', key, value);
-    }
-    map[key] = value;
-  }
-
-  V putIfAbsent(K key, V ifAbsent()) {
-    return map.putIfAbsent(key, () {
-      V v = ifAbsent();
-      if (putIfAbsentCallBack != null) {
-        putIfAbsentCallBack('putIfAbsent', key, v);
-      }
-      return v;
-    });
-  }
-
-  void addAll(Map<K, V> other) => map.addAll(other);
-
-  V remove(Object key) => map.remove(key);
-
-  void clear() => map.clear();
-
-  void forEach(void f(K key, V value)) => map.forEach(f);
-
-  Iterable<K> get keys => map.keys;
-
-  Iterable<V> get values => map.values;
-
-  int get length => map.length;
-
-  bool get isEmpty => map.isEmpty;
-
-  bool get isNotEmpty => map.isNotEmpty;
-}
-
-class DebugIterable<E> implements Iterable<E> {
-  final Iterable<E> iterable;
-
-  DebugIterable(this.iterable);
-
-  Iterator<E> get iterator => iterable.iterator;
-
-  Iterable map(f(E element)) => iterable.map(f);
-
-  Iterable<E> where(bool test(E element)) => iterable.where(test);
-
-  Iterable expand(Iterable f(E element)) => iterable.expand(f);
-
-  bool contains(Object element) => iterable.contains(element);
-
-  void forEach(void f(E element)) => iterable.forEach(f);
-
-  E reduce(E combine(E value, E element)) => iterable.reduce(combine);
-
-  dynamic fold(var initialValue,
-               dynamic combine(var previousValue, E element)) {
-    return iterable.fold(initialValue, combine);
-  }
-
-  bool every(bool test(E element)) => iterable.every(test);
-
-  String join([String separator = ""]) => iterable.join(separator);
-
-  bool any(bool test(E element)) => iterable.any(test);
-
-  List<E> toList({ bool growable: true }) {
-    return iterable.toList(growable: growable);
-  }
-
-  Set<E> toSet() => iterable.toSet();
-
-  int get length => iterable.length;
-
-  bool get isEmpty => iterable.isEmpty;
-
-  bool get isNotEmpty => iterable.isNotEmpty;
-
-  Iterable<E> take(int n) => iterable.take(n);
-
-  Iterable<E> takeWhile(bool test(E value)) => iterable.takeWhile(test);
-
-  Iterable<E> skip(int n) => iterable.skip(n);
-
-  Iterable<E> skipWhile(bool test(E value)) => iterable.skipWhile(test);
-
-  E get first => iterable.first;
-
-  E get last => iterable.last;
-
-  E get single => iterable.single;
-
-  E firstWhere(bool test(E element), { E orElse() }) {
-    return iterable.firstWhere(test, orElse: orElse);
-  }
-
-  E lastWhere(bool test(E element), {E orElse()}) {
-    return iterable.lastWhere(test, orElse: orElse);
-  }
-
-  E singleWhere(bool test(E element)) => iterable.singleWhere(test);
-
-  E elementAt(int index) => iterable.elementAt(index);
-
-}
-
-class DebugList<E> extends DebugIterable<E> implements List<E> {
-  DebugCallback addCallback;
-
-  DebugList(List<E> list, {this.addCallback}) : super(list);
-
-  List<E> get list => iterable;
-
-  E operator [](int index) => list[index];
-
-  void operator []=(int index, E value) {
-    list[index] = value;
-  }
-
-  int get length => list.length;
-
-  void set length(int newLength) {
-    list.length = newLength;
-  }
-
-  void add(E value) {
-    if (addCallback != null) {
-      addCallback('add', value, null);
-    }
-    list.add(value);
-  }
-
-  void addAll(Iterable<E> iterable) => list.addAll(iterable);
-
-  Iterable<E> get reversed => list.reversed;
-
-  void sort([int compare(E a, E b)]) => list.sort(compare);
-
-  void shuffle([random]) => list.shuffle(random);
-
-  int indexOf(E element, [int start = 0]) => list.indexOf(element, start);
-
-  int lastIndexOf(E element, [int start]) => list.lastIndexOf(element, start);
-
-  void clear() => list.clear();
-
-  void insert(int index, E element) => list.insert(index, element);
-
-  void insertAll(int index, Iterable<E> iterable) {
-    list.insertAll(index, iterable);
-  }
-
-  void setAll(int index, Iterable<E> iterable) => list.setAll(index, iterable);
-
-  bool remove(Object value) => list.remove(value);
-
-  E removeAt(int index) => list.removeAt(index);
-
-  E removeLast() => list.removeLast();
-
-  void removeWhere(bool test(E element)) => list.removeWhere(test);
-
-  void retainWhere(bool test(E element)) => list.retainWhere(test);
-
-  List<E> sublist(int start, [int end]) => list.sublist(start, end);
-
-  Iterable<E> getRange(int start, int end) => list.getRange(start, end);
-
-  void setRange(int start, int end, Iterable<E> iterable, [int skipCount = 0]) {
-    list.setRange(start, end, iterable, skipCount);
-  }
-
-  void removeRange(int start, int end) {
-    list.removeRange(start, end);
-  }
-
-  void fillRange(int start, int end, [E fillValue]) {
-    list.fillRange(start, end, fillValue);
-  }
-
-  void replaceRange(int start, int end, Iterable<E> replacement) {
-    list.replaceRange(start, end, replacement);
-  }
-
-  Map<int, E> asMap() => list.asMap();
-}
-
-class DebugSet<E> extends DebugIterable<E> implements Set<E> {
-  DebugCallback addCallback;
-
-  DebugSet(Set<E> set, {this.addCallback}) : super(set);
-
-  Set<E> get set => iterable;
-
-  bool contains(Object value) => set.contains(value);
-
-  bool add(E value) {
-    if (addCallback != null) {
-      addCallback('add', value, null);
-    }
-    return set.add(value);
-  }
-
-  void addAll(Iterable<E> elements) => set.addAll(elements);
-
-  bool remove(Object value) => set.remove(value);
-
-  E lookup(Object object) => set.lookup(object);
-
-  void removeAll(Iterable<Object> elements) => set.removeAll(elements);
-
-  void retainAll(Iterable<Object> elements) => set.retainAll(elements);
-
-  void removeWhere(bool test(E element)) => set.removeWhere(test);
-
-  void retainWhere(bool test(E element)) => set.retainWhere(test);
-
-  bool containsAll(Iterable<Object> other) => set.containsAll(other);
-
-  Set<E> intersection(Set<Object> other) => set.intersection(other);
-
-  Set<E> union(Set<E> other) => set.union(other);
-
-  Set<E> difference(Set<E> other) => set.difference(other);
-
-  void clear() => set.clear();
-
-  Set<E> toSet() => set.toSet();
-}
-
-/// Throws an exception if the runtime type of [object] is not in
-/// [runtimeTypes].
-///
-/// Use this to gradually build the set of actual runtime values of [object]
-/// at the call site by running test programs and adding to [runtimeTypes] when
-/// new type are found.
-void assertType(String name, List<String> runtimeTypes, var object,
-                {bool showObjects: false}) {
-  String runtimeType = '${object.runtimeType}';
-  if (runtimeTypes != null && runtimeTypes.contains(runtimeType)) return;
-  throw '$name: $runtimeType'
-        '${showObjects ? ' ($object)' : ''}';
-}
-
-/// Callback for the [addCallback] of [DebugMap] that throws an exception if
-/// the runtime type of key/value pairs are not in [runtimeTypes].
-///
-/// Use this to gradually build the set of actual runtime values of key/value
-/// pairs of a map by running test programs and adding to [runtimeTypes] when
-/// new type are found.
-class MapTypeAsserter {
-  final String name;
-  final Map<String, List<String>> runtimeTypes;
-  final bool showObjects;
-
-  const MapTypeAsserter(this.name, this.runtimeTypes,
-                       {bool this.showObjects: false});
-
-  void call(String methodName, var key, var value) {
-    check(key, value, '$methodName: ');
-  }
-
-  void check(var key, var value, [String text = '']) {
-    String keyType = '${key.runtimeType}';
-    String valueType = '${value.runtimeType}';
-    List<String> valuesTypes = runtimeTypes[keyType];
-    if (valuesTypes != null && valuesTypes.contains(valueType)) return;
-    throw '$name: $text$keyType => $valueType'
-          '${showObjects ? ' ($key => $value)' : ''}';
-  }
-}
-
-/// Callback for the [addCallback] of [DebugSet] or [DebugList]  that throws an
-/// exception if the runtime type of the elements are not in [runtimeTypes].
-///
-/// Use this to gradually build the set of actual runtime values of the elements
-/// of a collection by running test programs and adding to [runtimeTypes] when
-/// new type are found.
-class CollectionTypeAsserter {
-  final String name;
-  final List<String> runtimeTypes;
-  final bool showObjects;
-
-  const CollectionTypeAsserter(this.name, this.runtimeTypes,
-                       {bool this.showObjects: false});
-
-  void call(String methodName, var element, _) {
-    check(element, '$methodName: ');
-  }
-
-  void check(var element, [String text = '']) {
-    String elementType = '${element.runtimeType}';
-    if (runtimeTypes.contains(elementType)) return;
-    throw '$name: $text$elementType'
-          '${showObjects ? ' ($element)' : ''}';
-  }
-}