Create an abstraction for the string type flags so that they can be cached....

src/prettyprinter.cc

 // 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 485 matching lines @@
     Visit(arguments->at(i));
   }
   Print(")");
 }
 
 
 void PrettyPrinter::PrintLiteral(Handle<Object> value, bool quote) {
   Object* object = *value;
   if (object->IsString()) {
     String* string = String::cast(object);
+    StringShape shape(string);
     if (quote) Print("\"");
-    for (int i = 0; i < string->length(); i++) {
-      Print("%c", string->Get(i));
+    for (int i = 0; i < string->length(shape); i++) {
+      Print("%c", string->Get(shape, i));
     }
     if (quote) Print("\"");
   } else if (object == Heap::null_value()) {
     Print("null");
   } else if (object == Heap::true_value()) {
     Print("true");
   } else if (object == Heap::false_value()) {
     Print("false");
   } else if (object == Heap::undefined_value()) {
     Print("undefined");
@@ skipping 546 matching lines @@
 
 void AstPrinter::VisitThisFunction(ThisFunction* node) {
   IndentedScope indent("THIS-FUNCTION");
 }
 
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal