dart2js cps: Propagate container types for lists.

pkg/compiler/lib/src/common/names.dart

 // Copyright (c) 2015, 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.
 
 /// Library containing identifier, names, and selectors commonly used through
 /// the compiler.
 library dart2js.common.names;
 
 import '../elements/elements.dart' show
     Name,
@@ skipping 20 matching lines @@
   static const String iterator = 'iterator';
 
   /// The name of the main method.
   static const String main = 'main';
 
   /// The name of the no such method handler on 'Object'.
   static const String noSuchMethod_ = 'noSuchMethod';
 
   /// The name of the runtime type property on 'Object'.
   static const String runtimeType_ = 'runtimeType';
+
+  /// The name of the getter returning the size of containers and strings.
+  static const String length = 'length';
 }
 
 /// [Name]s commonly used.
 class Names {
   /// The name of the call operator.
   static const Name call = const PublicName(Identifiers.call);
 
   /// The name of the current element property used on iterators in for-each
   /// loops.
   static const Name current = const PublicName(Identifiers.current);
 
   /// The name of the dynamic type.
   static const Name dynamic_ = const PublicName('dynamic');
 
   /// The name of the iterator property used in for-each loops.
   static const Name iterator = const PublicName(Identifiers.iterator);
 
   /// The name of the move next method used on iterators in for-each loops.
   static const Name moveNext = const PublicName('moveNext');
 
   /// The name of the no such method handler on 'Object'.
   static const Name noSuchMethod_ = const PublicName(Identifiers.noSuchMethod_);
 
   /// The name of the to-string method on 'Object'.
   static const Name toString_ = const PublicName('toString');
 
   static const Name INDEX_NAME = const PublicName("[]");
   static const Name INDEX_SET_NAME = const PublicName("[]=");
   static const Name CALL_NAME = Names.call;
+
+  static const Name length = const PublicName(Identifiers.length);
 }
 
 /// [Selector]s commonly used.
 class Selectors {
   /// The selector for calling the cancel method on 'StreamIterator'.
   static final Selector cancel =
       new Selector.call(const PublicName('cancel'), CallStructure.NO_ARGS);
 
   /// The selector for getting the current element property used in for-each
   /// loops.
@@ skipping 14 matching lines @@
   static final Selector toString_ =
       new Selector.call(Names.toString_, CallStructure.NO_ARGS);
 
   static final Selector hashCode_ =
       new Selector.getter(const PublicName('hashCode'));
 
   static final Selector compareTo =
       new Selector.call(const PublicName("compareTo"), CallStructure.ONE_ARG);
 
   static final Selector equals = new Selector.binaryOperator('==');
+
+  static final Selector length = new Selector.getter(Names.length);
 }
 
 /// [Uri]s commonly used.
 class Uris {
   /// The URI for 'dart:async'.
   static final Uri dart_async = new Uri(scheme: 'dart', path: 'async');
 
   /// The URI for 'dart:core'.
   static final Uri dart_core = new Uri(scheme: 'dart', path: 'core');
 
   /// The URI for 'dart:html'.
   static final Uri dart_html = new Uri(scheme: 'dart', path: 'html');
 
   /// The URI for 'dart:mirrors'.
   static final Uri dart_mirrors = new Uri(scheme: 'dart', path: 'mirrors');
 
   /// The URI for 'dart:_internal'.
   static final Uri dart__internal = new Uri(scheme: 'dart', path: '_internal');
 
   /// The URI for 'dart:_native_typed_data'.
   static final Uri dart__native_typed_data =
       new Uri(scheme: 'dart', path: '_native_typed_data');
-}
+}