Add LibraryMirror.declarations and ClassMirror.declarations to the API and both implementations.

sdk/lib/_internal/lib/js_mirrors.dart

 // Copyright (c) 2013, 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 dart._js_mirrors;
 
 import 'dart:async';
 import 'dart:collection' show UnmodifiableListView;
 import 'dart:mirrors';
 
@@ skipping 235 matching lines @@
   final bool _isRoot;
   final _globalObject;
   List<JsMethodMirror> _cachedFunctionMirrors;
   List<JsVariableMirror> _cachedFields;
   UnmodifiableMapView<Symbol, ClassMirror> _cachedClasses;
   UnmodifiableMapView<Symbol, MethodMirror> _cachedFunctions;
   UnmodifiableMapView<Symbol, MethodMirror> _cachedGetters;
   UnmodifiableMapView<Symbol, MethodMirror> _cachedSetters;
   UnmodifiableMapView<Symbol, VariableMirror> _cachedVariables;
   UnmodifiableMapView<Symbol, Mirror> _cachedMembers;
+  UnmodifiableMapView<Symbol, DeclarationMirror> _cachedDeclarations;
   UnmodifiableListView<InstanceMirror> _cachedMetadata;
 
   JsLibraryMirror(Symbol simpleName,
                   this.uri,
                   this._classes,
                   this._functions,
                   this._metadata,
                   this._compactFieldSpecification,
                   this._isRoot,
                   this._globalObject)
@@ skipping 157 matching lines @@
     addToResult(Symbol key, Mirror value) {
       result[key] = value;
     }
     functions.forEach(addToResult);
     getters.forEach(addToResult);
     setters.forEach(addToResult);
     variables.forEach(addToResult);
     return _cachedMembers = new UnmodifiableMapView<Symbol, Mirror>(result);
   }
 
+  Map<Symbol, DeclarationMirror> get declarations {
+    if (_cachedDeclarations != null) return _cachedDeclarations;
+    var result = new Map<Symbol, DeclarationMirror>();
+    addToResult(Symbol key, Mirror value) {
+      result[key] = value;
+    }
+    members.forEach(addToResult);
+    return _cachedDeclarations =
+        new UnmodifiableMapView<Symbol, DeclarationMirror>(result);
+  }
+
   List<InstanceMirror> get metadata {
     if (_cachedMetadata != null) return _cachedMetadata;
     preserveMetadata();
     return _cachedMetadata =
         new UnmodifiableListView<InstanceMirror>(_metadata.map(reflect));
   }
 
   // TODO(ahe): Test this getter.
   DeclarationMirror get owner => null;
 }
@@ skipping 536 matching lines @@
   List _metadata;
   ClassMirror _superclass;
   List<JsMethodMirror> _cachedMethods;
   List<JsVariableMirror> _cachedFields;
   UnmodifiableMapView<Symbol, MethodMirror> _cachedConstructors;
   UnmodifiableMapView<Symbol, MethodMirror> _cachedMethodsMap;
   UnmodifiableMapView<Symbol, MethodMirror> _cachedGetters;
   UnmodifiableMapView<Symbol, MethodMirror> _cachedSetters;
   UnmodifiableMapView<Symbol, VariableMirror> _cachedVariables;
   UnmodifiableMapView<Symbol, Mirror> _cachedMembers;
+  UnmodifiableMapView<Symbol, DeclarationMirror> _cachedDeclarations;
   UnmodifiableListView<InstanceMirror> _cachedMetadata;
   UnmodifiableListView<ClassMirror> _cachedSuperinterfaces;
   UnmodifiableListView<TypeVariableMirror> _cachedTypeVariables;
 
   // Set as side-effect of accessing JsLibraryMirror.classes.
   JsLibraryMirror _owner;
 
   JsClassMirror(Symbol simpleName,
                 this._mangledName,
                 this._jsConstructorOrInterceptor,
@@ skipping 170 matching lines @@
         if (result[s(name)] is VariableMirror) continue;
       }
       // Constructors aren't 'members'.
       if (method.isConstructor) continue;
       // Use putIfAbsent to filter-out getters corresponding to variables.
       result.putIfAbsent(method.simpleName, () => method);
     }
     return _cachedMembers = new UnmodifiableMapView<Symbol, Mirror>(result);
   }
 
+  Map<Symbol, DeclarationMirror> get declarations {
+    if (_cachedDeclarations != null) return _cachedDeclarations;
+    var result = new Map<Symbol, DeclarationMirror>();
+    addToResult(Symbol key, Mirror value) {
+      result[key] = value;
+    }
+    members.forEach(addToResult);
+    constructors.forEach(addToResult);
+    typeVariables.forEach((tv) => result[tv.simpleName] = tv);
+    return _cachedDeclarations =
+        new UnmodifiableMapView<Symbol, DeclarationMirror>(result);
+  }
+
   InstanceMirror setField(Symbol fieldName, Object arg) {
     JsVariableMirror mirror = variables[fieldName];
     if (mirror != null && mirror.isStatic && !mirror.isFinal) {
       // '$' (JS_CURRENT_ISOLATE()) stores state which is stored directly, so
       // we shouldn't use [JsLibraryMirror._globalObject] here.
       String jsName = mirror._jsName;
       if (!JS('bool', '# in #', jsName, JS_CURRENT_ISOLATE())) {
         throw new RuntimeError('Cannot find "$jsName" in current isolate.');
       }
       JS('void', '#[#] = #', JS_CURRENT_ISOLATE(), jsName, arg);
@@ skipping 769 matching lines @@
 
 // TODO(ahe): Remove this class and call noSuchMethod instead.
 class UnimplementedNoSuchMethodError extends Error
     implements NoSuchMethodError {
   final String _message;
 
   UnimplementedNoSuchMethodError(this._message);
 
   String toString() => "Unsupported operation: $_message";
 }