Make it possible to add a user data object to each script compiled

src/objects-debug.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 906 matching lines @@
   types()->ShortPrint();
 }
 
 
 void Script::ScriptVerify() {
   CHECK(IsScript());
   VerifyPointer(source());
   VerifyPointer(name());
   line_offset()->SmiVerify();
   column_offset()->SmiVerify();
+  VerifyPointer(data());
+  VerifyPointer(wrapper());
   type()->SmiVerify();
+  VerifyPointer(line_ends());
+  VerifyPointer(id());
 }
 
 
 void Script::ScriptPrint() {
   HeapObject::PrintHeader("Script");
   PrintF("\n - source: ");
   source()->ShortPrint();
   PrintF("\n - name: ");
   name()->ShortPrint();
   PrintF("\n - line_offset: ");
@@ skipping 147 matching lines @@
     }
     current = hash;
   }
   return true;
 }
 
 
 #endif  // DEBUG
 
 } }  // namespace v8::internal