Add a "read" extension to the shell programs. This global function...

src/d8.h

 // Copyright 2009 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 121 matching lines @@
   static int Main(int argc, char* argv[]);
   static Handle<Array> GetCompletions(Handle<String> text,
                                       Handle<String> full);
   static Handle<Object> DebugMessageDetails(Handle<String> message);
   static Handle<Value> DebugCommandToJSONRequest(Handle<String> command);
 
   static Handle<Value> Print(const Arguments& args);
   static Handle<Value> Yield(const Arguments& args);
   static Handle<Value> Quit(const Arguments& args);
   static Handle<Value> Version(const Arguments& args);
+  static Handle<Value> Read(const Arguments& args);
   static Handle<Value> Load(const Arguments& args);
   // The OS object on the global object contains methods for performing
   // operating system calls:
   //
   // os.system("program_name", ["arg1", "arg2", ...], timeout1, timeout2) will
   // run the command, passing the arguments to the program.  The standard output
   // of the program will be picked up and returned as a multiline string.  If
   // timeout1 is present then it should be a number.  -1 indicates no timeout
   // and a positive number is used as a timeout in milliseconds that limits the
   // time spent waiting between receiving output characters from the program.
@@ skipping 59 matching lines @@
   const char* name_;
   LineEditor* next_;
   static LineEditor* first_;
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_