Optimized nodeType dom binding by removing HandleScope and the preparation of ordinary c function c…

src/objects.h

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_OBJECTS_H_
 #define V8_OBJECTS_H_
 
 #include <iosfwd>
 
 #include "src/allocation.h"
@@ skipping 10205 matching lines @@
 
   inline bool all_can_read();
   inline void set_all_can_read(bool value);
 
   inline bool all_can_write();
   inline void set_all_can_write(bool value);
 
   inline PropertyAttributes property_attributes();
   inline void set_property_attributes(PropertyAttributes attributes);
 
+  inline bool can_fast_call();
+  inline void set_can_fast_call(bool value);
+
   // Checks whether the given receiver is compatible with this accessor.
   static bool IsCompatibleReceiverType(Isolate* isolate,
                                        Handle<AccessorInfo> info,
                                        Handle<HeapType> type);
   inline bool IsCompatibleReceiver(Object* receiver);
 
   DECLARE_CAST(AccessorInfo)
 
   // Dispatched behavior.
   DECLARE_VERIFIER(AccessorInfo)
 
   // Append all descriptors to the array that are not already there.
   // Return number added.
   static int AppendUnique(Handle<Object> descriptors,
                           Handle<FixedArray> array,
                           int valid_descriptors);
 
   static const int kNameOffset = HeapObject::kHeaderSize;
   static const int kFlagOffset = kNameOffset + kPointerSize;
   static const int kExpectedReceiverTypeOffset = kFlagOffset + kPointerSize;
   static const int kSize = kExpectedReceiverTypeOffset + kPointerSize;
 
  private:
   inline bool HasExpectedReceiverType() {
     return expected_receiver_type()->IsFunctionTemplateInfo();
   }
   // Bit positions in flag.
   static const int kAllCanReadBit = 0;
   static const int kAllCanWriteBit = 1;
+  static const int kCanFastCall = 0;
   class AttributesField: public BitField<PropertyAttributes, 2, 3> {};
+  class AccessorOptimizeLevel: public BitField<int,          5, 2> {};
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(AccessorInfo);
 };
 
 
 enum AccessorDescriptorType {
   kDescriptorBitmaskCompare,
   kDescriptorPointerCompare,
   kDescriptorPrimitiveValue,
   kDescriptorObjectDereference,
@@ skipping 647 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_