[cleanup] CSA: add helpers for accessing details/value via key_index

src/objects-inl.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.
 //
 // Review notes:
 //
 // - The use of macros in these inline functions may seem superfluous
 // but it is absolutely needed to make sure gcc generates optimal
 // code. gcc is not happy when attempting to inline too deep.
 //
@@ skipping 2815 matching lines @@
 
 int DescriptorArray::number_of_descriptors() {
   DCHECK(length() >= kFirstIndex || IsEmpty());
   int len = length();
   return len == 0 ? 0 : Smi::cast(get(kDescriptorLengthIndex))->value();
 }
 
 
 int DescriptorArray::number_of_descriptors_storage() {
   int len = length();
-  return len == 0 ? 0 : (len - kFirstIndex) / kDescriptorSize;
+  return len == 0 ? 0 : (len - kFirstIndex) / kEntrySize;
 }
 
 
 int DescriptorArray::NumberOfSlackDescriptors() {
   return number_of_descriptors_storage() - number_of_descriptors();
 }
 
 
 void DescriptorArray::SetNumberOfDescriptors(int number_of_descriptors) {
   WRITE_FIELD(
@@ skipping 5548 matching lines @@
 #undef WRITE_INT64_FIELD
 #undef READ_BYTE_FIELD
 #undef WRITE_BYTE_FIELD
 #undef NOBARRIER_READ_BYTE_FIELD
 #undef NOBARRIER_WRITE_BYTE_FIELD
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_OBJECTS_INL_H_