Add forEachLibraryMember and forEachConstructor to ElementEnvironment

pkg/compiler/lib/src/common_elements.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.
 
 // TODO(sigmund): rename and move to common/elements.dart
 library dart2js.type_system;
 
 import 'common/names.dart' show Identifiers, Uris;
 import 'constants/values.dart';
 import 'elements/entities.dart';
@@ skipping 1159 matching lines @@
   LibraryEntity lookupLibrary(Uri uri, {bool required: false});
 
   /// Calls [f] for every class declared in [library].
   void forEachClass(LibraryEntity library, void f(ClassEntity cls));
 
   /// Lookup the class [name] in [library], fail if the class is missing and
   /// [required].
   ClassEntity lookupClass(LibraryEntity library, String name,
       {bool required: false});
 
+  /// Calls [f] for every top level member in [library].
+  void forEachLibraryMember(LibraryEntity library, void f(MemberEntity member));
+
   /// Lookup the member [name] in [library], fail if the class is missing and
   /// [required].
   MemberEntity lookupLibraryMember(LibraryEntity library, String name,
       {bool setter: false, bool required: false});
 
   /// Lookup the member [name] in [cls], fail if the class is missing and
   /// [required].
   MemberEntity lookupClassMember(ClassEntity cls, String name,
       {bool setter: false, bool required: false});
 
   /// Lookup the constructor [name] in [cls], fail if the class is missing and
   /// [required].
   ConstructorEntity lookupConstructor(ClassEntity cls, String name,
       {bool required: false});
 
   /// Calls [f] for each class member declared or inherited in [cls] together
   /// with the class that declared the member.
   ///
   /// TODO(johnniwinther): This should not include static members of
   /// superclasses.
   void forEachClassMember(
       ClassEntity cls, void f(ClassEntity declarer, MemberEntity member));
 
+  /// Calls [f] for every constructor declared in [cls].
+  void forEachConstructor(
+      ClassEntity cls, void f(ConstructorEntity constructor));
+
   /// Returns the superclass of [cls].
   ///
   /// If [skipUnnamedMixinApplications] is `true`, unnamed mixin applications
   /// are excluded, for instance for these classes
   ///
   ///     class S {}
   ///     class M {}
   ///     class C extends S with M {}
   ///
   /// the result of `getSuperClass(C)` is the unnamed mixin application
@@ skipping 49 matching lines @@
   /// arguments, both required and optional.
   CallStructure getCallStructure(FunctionEntity entity);
 
   /// Returns `true` if [member] a the synthetic getter `loadLibrary` injected
   /// on deferred libraries.
   bool isDeferredLoadLibraryGetter(MemberEntity member);
 
   /// Returns the metadata constants declared on [member].
   Iterable<ConstantValue> getMemberMetadata(MemberEntity member);
 }