When strings can change from an ASCII representation to a...

src/objects.h

 // Copyright 2006-2008 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 3189 matching lines @@
 // string can potentially alter its shape.  Also be aware that a GC caused by
 // something else can alter the shape of a string due to ConsString
 // shortcutting.  Keeping these restrictions in mind has proven to be error-
 // prone and so we no longer put StringShapes in variables unless there is a
 // concrete performance benefit at that particular point in the code.
 class StringShape BASE_EMBEDDED {
  public:
   inline explicit StringShape(String* s);
   inline explicit StringShape(Map* s);
   inline explicit StringShape(InstanceType t);
-  inline bool IsAsciiRepresentation();
-  inline bool IsTwoByteRepresentation();
   inline bool IsSequential();
   inline bool IsExternal();
   inline bool IsCons();
   inline bool IsSliced();
   inline bool IsExternalAscii();
   inline bool IsExternalTwoByte();
   inline bool IsSequentialAscii();
   inline bool IsSequentialTwoByte();
   inline bool IsSymbol();
   inline StringRepresentationTag representation_tag();
@@ skipping 31 matching lines @@
   inline int length();
   inline void set_length(int value);
 
   // Get and set the uninterpreted length field of the string.  Notice
   // that the length field is also used to cache the hash value of
   // strings.  In order to get or set the actual length of the string
   // use the length() and set_length methods.
   inline uint32_t length_field();
   inline void set_length_field(uint32_t value);
 
+  inline bool IsAsciiRepresentation();
+  inline bool IsTwoByteRepresentation();
+
   // Get and set individual two byte chars in the string.
   inline void Set(int index, uint16_t value);
   // Get individual two byte char in the string.  Repeated calls
   // to this method are not efficient unless the string is flat.
   inline uint16_t Get(int index);
 
   // Try to flatten the top level ConsString that is hiding behind this
   // string.  This is a no-op unless the string is a ConsString or a
   // SlicedString.  Flatten mutates the ConsString and might return a
   // failure.
@@ skipping 1094 matching lines @@
     } else {
       value &= ~(1 << bit_position);
     }
     return value;
   }
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_OBJECTS_H_