Create and cache method extraction stub in the ICData.

runtime/vm/object.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_OBJECT_H_
 #define VM_OBJECT_H_
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "platform/utils.h"
@@ skipping 681 matching lines @@
   bool IsTopLevel() const;
 
   RawArray* fields() const { return raw_ptr()->fields_; }
   void SetFields(const Array& value) const;
 
   // Returns true if non-static fields are defined.
   bool HasInstanceFields() const;
 
   RawArray* functions() const { return raw_ptr()->functions_; }
   void SetFunctions(const Array& value) const;
+  void AddFunction(const Function& function) const;
 
   void AddClosureFunction(const Function& function) const;
   RawFunction* LookupClosureFunction(intptr_t token_pos) const;
 
   RawFunction* LookupDynamicFunction(const String& name) const;
   RawFunction* LookupStaticFunction(const String& name) const;
   RawFunction* LookupConstructor(const String& name) const;
   RawFunction* LookupFactory(const String& name) const;
   RawFunction* LookupFunction(const String& name) const;
   RawFunction* LookupGetterFunction(const String& name) const;
@@ skipping 476 matching lines @@
   // Signature class of this closure function or signature function.
   RawClass* signature_class() const;
   void set_signature_class(const Class& value) const;
 
   RawInstance* implicit_static_closure() const;
   void set_implicit_static_closure(const Instance& closure) const;
 
   RawCode* closure_allocation_stub() const;
   void set_closure_allocation_stub(const Code& value) const;
 
+  void set_extracted_method_closure(const Function& function) const;
+  RawFunction* extracted_method_closure() const;
+
+  bool IsMethodExtractor() const {
+    return kind() == RawFunction::kMethodExtractor;
+  }
+
   // Returns true iff an implicit closure function has been created
   // for this function.
   bool HasImplicitClosureFunction() const {
     return implicit_closure_function() != null();
   }
 
   // Return the closure function implicitly created for this function.
   // If none exists yet, create one and remember it.
   RawFunction* ImplicitClosureFunction() const;
 
@@ skipping 22 matching lines @@
   bool IsDynamicFunction() const {
     if (is_static() || is_abstract()) {
       return false;
     }
     switch (kind()) {
       case RawFunction::kRegularFunction:
       case RawFunction::kGetterFunction:
       case RawFunction::kSetterFunction:
       case RawFunction::kImplicitGetter:
       case RawFunction::kImplicitSetter:
+      case RawFunction::kMethodExtractor:
         return true;
       case RawFunction::kClosureFunction:
       case RawFunction::kConstructor:
       case RawFunction::kConstImplicitGetter:
         return false;
       default:
         UNREACHABLE();
         return false;
     }
   }
@@ skipping 5003 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_