WIP: Create a public v8::DictionarySchema API for bulk reads from dict objects.

src/objects.cc

 // Copyright 2015 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/objects.h"
 
 #include <cmath>
 #include <iomanip>
 #include <memory>
 #include <sstream>
@@ skipping 10169 matching lines @@
         }
       }
       if (child_hash <= parent_hash) break;
       SwapSortedKeys(parent_index, child_index);
       parent_index = child_index;
     }
   }
   DCHECK(IsSortedNoDuplicates());
 }
 
+// static
+Handle<DictionarySchema> DictionarySchema::New(Isolate* isolate, int size) {
+  return Handle<DictionarySchema>::cast(
+      isolate->factory()->NewFixedArray(size, TENURED));
+}
 
 Handle<AccessorPair> AccessorPair::Copy(Handle<AccessorPair> pair) {
   Handle<AccessorPair> copy = pair->GetIsolate()->factory()->NewAccessorPair();
   copy->set_getter(pair->getter());
   copy->set_setter(pair->setter());
   return copy;
 }
 
 Handle<Object> AccessorPair::GetComponent(Handle<AccessorPair> accessor_pair,
                                           AccessorComponent component) {
@@ skipping 10034 matching lines @@
       // depend on this.
       return DICTIONARY_ELEMENTS;
     }
     DCHECK_LE(kind, LAST_ELEMENTS_KIND);
     return kind;
   }
 }
 
 }  // namespace internal
 }  // namespace v8