Move selector and arguments descriptor into MegamorphicCache.

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 4581 matching lines @@
  public:
   static const int kInitialCapacity = 16;
   static const double kLoadFactor;
 
   RawArray* buckets() const;
   void set_buckets(const Array& buckets) const;
 
   intptr_t mask() const;
   void set_mask(intptr_t mask) const;
 
+  RawString* target_name() const {
+    return raw_ptr()->target_name_;
+  }
+
+  RawArray* arguments_descriptor() const {
+    return raw_ptr()->args_descriptor_;
+  }
+
   intptr_t filled_entry_count() const;
   void set_filled_entry_count(intptr_t num) const;
 
   static intptr_t buckets_offset() {
     return OFFSET_OF(RawMegamorphicCache, buckets_);
   }
   static intptr_t mask_offset() {
     return OFFSET_OF(RawMegamorphicCache, mask_);
   }
+  static intptr_t arguments_descriptor_offset() {
+    return OFFSET_OF(RawMegamorphicCache, args_descriptor_);
+  }
 
-  static RawMegamorphicCache* New();
+  static RawMegamorphicCache* New(const String& target_name,
+                                  const Array& arguments_descriptor);
 
   void EnsureCapacity() const;
 
   void Insert(const Smi& class_id, const Function& target) const;
 
   static intptr_t InstanceSize() {
     return RoundedAllocationSize(sizeof(RawMegamorphicCache));
   }
 
  private:
   friend class Class;
 
+  static RawMegamorphicCache* New();
+
+  void set_target_name(const String& value) const;
+  void set_arguments_descriptor(const Array& value) const;
+
   enum {
     kClassIdIndex,
     kTargetFunctionIndex,
     kEntryLength,
   };
 
   static inline void SetEntry(const Array& array,
                               intptr_t index,
                               const Smi& class_id,
                               const Function& target);
@@ skipping 3513 matching lines @@
 
 
 RawObject* MegamorphicCache::GetTargetFunction(const Array& array,
                                                intptr_t index) {
   return array.At((index * kEntryLength) + kTargetFunctionIndex);
 }
 
 }  // namespace dart
 
 #endif  // VM_OBJECT_H_