Optimize getField by caching a closure generated from a specialized function kind.

runtime/vm/parser.h

 // 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.
 
 #ifndef VM_PARSER_H_
 #define VM_PARSER_H_
 
 #include "include/dart_api.h"
 
 #include "platform/assert.h"
@@ skipping 427 matching lines @@
 
   SequenceNode* ParseConstructor(const Function& func,
                                  Array& default_parameter_values);
   SequenceNode* ParseFunc(const Function& func,
                           Array& default_parameter_values);
 
   void ParseNativeFunctionBlock(const ParamList* params, const Function& func);
 
   SequenceNode* ParseInstanceGetter(const Function& func);
   SequenceNode* ParseInstanceSetter(const Function& func);
+  SequenceNode* ParseGetFieldClosure(const Function& func);
+  SequenceNode* ParseSetFieldClosure(const Function& func);
   SequenceNode* ParseStaticFinalGetter(const Function& func);
   SequenceNode* ParseStaticInitializer(const Function& func);
   SequenceNode* ParseMethodExtractor(const Function& func);
   SequenceNode* ParseNoSuchMethodDispatcher(const Function& func,
                                             Array& default_values);
   SequenceNode* ParseInvokeFieldDispatcher(const Function& func,
                                            Array& default_values);
   void BuildDispatcherScope(const Function& func,
                             const ArgumentsDescriptor& desc,
                             Array& default_values);
@@ skipping 256 matching lines @@
   intptr_t last_used_try_index_;
 
   bool unregister_pending_function_;
 
   DISALLOW_COPY_AND_ASSIGN(Parser);
 };
 
 }  // namespace dart
 
 #endif  // VM_PARSER_H_