New analyzer snapshot with MapIterator.

pkg/analyzer/lib/src/generated/constant.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.
 
 // This code was auto-generated, is not intended to be edited, and is subject to
 // significant change. Please see the README file for more information.
 
 library engine.constant;
 
 import 'java_core.dart';
 import 'java_engine.dart' show ObjectUtilities;
 import 'source.dart' show Source;
 import 'error.dart' show AnalysisError, ErrorCode, CompileTimeErrorCode;
 import 'scanner.dart' show Token, TokenType;
 import 'ast.dart';
 import 'element.dart';
 import 'resolver.dart' show TypeProvider;
 import 'engine.dart' show AnalysisEngine;
 import 'utilities_dart.dart' show ParameterKind;
-import 'utilities_collection.dart' show DirectedGraph;
+import 'utilities_collection.dart';
 
 /**
  * Instances of the class `ConstantEvaluator` evaluate constant expressions to produce their
  * compile-time value. According to the Dart Language Specification: <blockquote> A constant
  * expression is one of the following:
  * * A literal number.
  * * A literal boolean.
  * * A literal string where any interpolated expression is a compile-time constant that evaluates
  * to a numeric, string or boolean value or to <b>null</b>.
  * * A literal symbol.
@@ skipping 274 matching lines @@
    */
   void add(CompilationUnit unit) {
     unit.accept(_constantFinder);
   }
 
   /**
    * Compute values for all of the constant variables in the compilation units that were added.
    */
   void computeValues() {
     _declarationMap = _constantFinder.variableMap;
-    for (MapEntry<VariableElement, VariableDeclaration> entry in getMapEntrySet(_declarationMap)) {
-      VariableElement element = entry.getKey();
+    for (MapIterator<VariableElement, VariableDeclaration> iter = SingleMapIterator.forMap(_declarationMap); iter.moveNext();) {
+      VariableElement element = iter.key;
       ReferenceFinder referenceFinder = new ReferenceFinder(element, _referenceGraph);
       _referenceGraph.addNode(element);
-      entry.getValue().initializer.accept(referenceFinder);
+      iter.value.initializer.accept(referenceFinder);
     }
     while (!_referenceGraph.isEmpty) {
       VariableElement element = _referenceGraph.removeSink();
       while (element != null) {
         _computeValueFor(element);
         element = _referenceGraph.removeSink();
       }
       if (!_referenceGraph.isEmpty) {
         List<VariableElement> variablesInCycle = _referenceGraph.findCycle();
         if (variablesInCycle == null) {
@@ skipping 3601 matching lines @@
     if (object is! MapState) {
       return false;
     }
     Map<DartObjectImpl, DartObjectImpl> otherElements = (object as MapState)._entries;
     int count = _entries.length;
     if (otherElements.length != count) {
       return false;
     } else if (count == 0) {
       return true;
     }
-    for (MapEntry<DartObjectImpl, DartObjectImpl> entry in getMapEntrySet(_entries)) {
-      DartObjectImpl key = entry.getKey();
-      DartObjectImpl value = entry.getValue();
+    for (MapIterator<DartObjectImpl, DartObjectImpl> iter = SingleMapIterator.forMap(_entries); iter.moveNext();) {
+      DartObjectImpl key = iter.key;
+      DartObjectImpl value = iter.value;
       DartObjectImpl otherValue = otherElements[key];
       if (value != otherValue) {
         return false;
       }
     }
     return true;
   }
 
   @override
   String get typeName => "Map";
 
   @override
   Map<Object, Object> get value {
     Map<Object, Object> result = new Map<Object, Object>();
-    for (MapEntry<DartObjectImpl, DartObjectImpl> entry in getMapEntrySet(_entries)) {
-      DartObjectImpl key = entry.getKey();
-      DartObjectImpl value = entry.getValue();
+    for (MapIterator<DartObjectImpl, DartObjectImpl> iter = SingleMapIterator.forMap(_entries); iter.moveNext();) {
+      DartObjectImpl key = iter.key;
+      DartObjectImpl value = iter.value;
       if (!key.hasExactValue || !value.hasExactValue) {
         return null;
       }
       result[key.value] = value.value;
     }
     return result;
   }
 
   @override
   bool get hasExactValue {
-    for (MapEntry<DartObjectImpl, DartObjectImpl> entry in getMapEntrySet(_entries)) {
-      if (!entry.getKey().hasExactValue || !entry.getValue().hasExactValue) {
+    for (MapIterator<DartObjectImpl, DartObjectImpl> iter = SingleMapIterator.forMap(_entries); iter.moveNext();) {
+      if (!iter.key.hasExactValue || !iter.value.hasExactValue) {
         return false;
       }
     }
     return true;
   }
 
   @override
   int get hashCode {
     int value = 0;
     for (DartObjectImpl key in _entries.keys.toSet()) {
@@ skipping 346 matching lines @@
 
   @override
   String get typeName => "Type";
 
   @override
   int get hashCode => _element == null ? 0 : _element.hashCode;
 
   @override
   String toString() => _element == null ? "-unknown-" : _element.name;
 }