Implement tracking and optimizations of packed arrays.

src/string-stream.cc

-// Copyright 2011 the V8 project authors. All rights reserved.
+// Copyright 2012 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
 //       with the distribution.
@@ skipping 408 matching lines @@
     Add(" #%d# %p: ", i, printee);
     printee->ShortPrint(this);
     Add("\n");
     if (printee->IsJSObject()) {
       if (printee->IsJSValue()) {
         Add("           value(): %o\n", JSValue::cast(printee)->value());
       }
       PrintUsingMap(JSObject::cast(printee));
       if (printee->IsJSArray()) {
         JSArray* array = JSArray::cast(printee);
-        if (array->HasFastElements()) {
+        if (array->HasFastObjectElements()) {
           unsigned int limit = FixedArray::cast(array->elements())->length();
           unsigned int length =
             static_cast<uint32_t>(JSArray::cast(array)->length()->Number());
           if (length < limit) limit = length;
           PrintFixedArray(FixedArray::cast(array->elements()), limit);
         }
       }
     } else if (printee->IsByteArray()) {
       PrintByteArray(ByteArray::cast(printee));
     } else if (printee->IsFixedArray()) {
@@ skipping 139 matching lines @@
 
 // Only grow once to the maximum allowable size.
 char* NoAllocationStringAllocator::grow(unsigned* bytes) {
   ASSERT(size_ >= *bytes);
   *bytes = size_;
   return space_;
 }
 
 
 } }  // namespace v8::internal