Add an interface for an embedder to provide information about native

src/objects.cc

 // Copyright 2010 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
@@ skipping 5219 matching lines @@
 bool String::IsTwoByteEqualTo(Vector<const uc16> str) {
   int slen = length();
   if (str.length() != slen) return false;
   for (int i = 0; i < slen; i++) {
     if (Get(i) != str[i]) return false;
   }
   return true;
 }
 
 
-template <typename schar>
-static inline uint32_t HashSequentialString(const schar* chars, int length) {
-  StringHasher hasher(length);
-  if (!hasher.has_trivial_hash()) {
-    int i;
-    for (i = 0; hasher.is_array_index() && (i < length); i++) {
-      hasher.AddCharacter(chars[i]);
-    }
-    for (; i < length; i++) {
-      hasher.AddCharacterNoIndex(chars[i]);
-    }
-  }
-  return hasher.GetHashField();
-}
-
-
 uint32_t String::ComputeAndSetHash() {
   // Should only be called if hash code has not yet been computed.
   ASSERT(!HasHashCode());
 
   const int len = length();
 
   // Compute the hash code.
   uint32_t field = 0;
   if (StringShape(this).IsSequentialAscii()) {
     field = HashSequentialString(SeqAsciiString::cast(this)->GetChars(), len);
@@ skipping 4789 matching lines @@
   if (break_point_objects()->IsUndefined()) return 0;
   // Single beak point.
   if (!break_point_objects()->IsFixedArray()) return 1;
   // Multiple break points.
   return FixedArray::cast(break_point_objects())->length();
 }
 #endif
 
 
 } }  // namespace v8::internal