Make ClosureMirror handle instances of user-defined classes that implement call.

runtime/lib/mirrors_impl.dart

 // Copyright (c) 2012, 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.
 
 // VM-specific implementation of the dart:mirrors library.
 
 import "dart:collection";
 
 // These values are allowed to be passed directly over the wire.
 bool _isSimpleValue(var value) {
@@ skipping 614 matching lines @@
 
   // FunctionTypeMirrors have a simpleName generated from their signature.
   Symbol _simpleName = null;
   Symbol get simpleName {
     if (_simpleName == null) {
       _simpleName = _s(_makeSignatureString(returnType, parameters));
     }
     return _simpleName;
   }
 
+  MethodMirror _callMethod;
+  MethodMirror get callMethod {
+    if (_callMethod == null) {
+      _callMethod = this._FunctionTypeMirror_call_method(_reflectee);
+    }
+    return _callMethod;
+  }
+
   TypeMirror _returnType = null;
   TypeMirror get returnType {
     if (_returnType == null) {
       _returnType =
           _Mirrors._reflectType(_FunctionTypeMirror_return_type(_reflectee));
     }
     return _returnType;
   }
 
   List<ParameterMirror> _parameters = null;
   List<ParameterMirror> get parameters {
     if (_parameters == null) {
       _parameters = _FunctionTypeMirror_parameters(_reflectee);
     }
     return _parameters;
   }
 
   Map<Symbol, Mirror> get members => new Map<Symbol,Mirror>();
   Map<Symbol, MethodMirror> get constructors => new Map<Symbol,MethodMirror>();
   final Map<Symbol, TypeVariableMirror> typeVariables = const {};
 
   String toString() => "FunctionTypeMirror on '${_n(simpleName)}'";
 
+  MethodMirror _FunctionTypeMirror_call_method(reflectee)
+      native "FunctionTypeMirror_call_method";
+
   static Type _FunctionTypeMirror_return_type(reflectee)
       native "FunctionTypeMirror_return_type";
 
   static List<ParameterMirror> _FunctionTypeMirror_parameters(reflectee)
       native "FunctionTypeMirror_parameters";
 }
 
 abstract class _LocalDeclarationMirrorImpl extends _LocalMirrorImpl
     implements DeclarationMirror {
   _LocalDeclarationMirrorImpl(this._reflectee, this.simpleName);
@@ skipping 525 matching lines @@
     if (typeMirror == null) {
       typeMirror = makeLocalTypeMirror(key);
       _instanitationCache[key] = typeMirror;
       if (typeMirror is ClassMirror && !typeMirror._isGeneric) {
         _declarationCache[key] = typeMirror;
       }
     }
     return typeMirror;
   }
 }