Add new FrameArray type

src/factory.cc

 // Copyright 2014 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.
 
 #include "src/factory.h"
 
 #include "src/accessors.h"
 #include "src/allocation-site-scopes.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 159 matching lines @@
   if (size > 0) {
     Handle<FixedDoubleArray> double_array =
         Handle<FixedDoubleArray>::cast(array);
     for (int i = 0; i < size; ++i) {
       double_array->set_the_hole(i);
     }
   }
   return array;
 }
 
+Handle<FrameArray> Factory::NewFrameArray(int number_of_frames,
+                                          PretenureFlag pretenure) {
+  DCHECK_LE(0, number_of_frames);
+  Handle<FixedArray> result =
+      NewFixedArrayWithHoles(FrameArray::LengthFor(number_of_frames));
+  result->set(FrameArray::kFrameCountIndex, Smi::FromInt(0));
+  return Handle<FrameArray>::cast(result);
+}
 
 Handle<OrderedHashSet> Factory::NewOrderedHashSet() {
   return OrderedHashSet::Allocate(isolate(), OrderedHashSet::kMinCapacity);
 }
 
 
 Handle<OrderedHashMap> Factory::NewOrderedHashMap() {
   return OrderedHashMap::Allocate(isolate(), OrderedHashMap::kMinCapacity);
 }
 
@@ skipping 2306 matching lines @@
     Handle<AccessorInfo> prototype =
         Accessors::FunctionPrototypeInfo(isolate(), attribs);
     AccessorConstantDescriptor d(Handle<Name>(Name::cast(prototype->name())),
                                  prototype, attribs);
     map->AppendDescriptor(&d);
   }
 }
 
 }  // namespace internal
 }  // namespace v8