* Add rmdir, mkdir -p and umask to d8 on Unix....

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 131 matching lines @@
   // timeout2, if present, should be a number indicating the limit in
   // milliseconds on the total running time of the program.  Exceptions are
   // thrown on timeouts or other errors or if the exit status of the program
   // indicates an error.
   //
   // os.chdir(dir) changes directory to the given directory.  Throws an
   // exception/ on error.
   //
   // os.setenv(variable, value) sets an environment variable.  Repeated calls to
   // this method leak memory due to the API of setenv in the standard C library.
+  //
+  // os.umask(alue) calls the umask system call and returns the old umask.
+  //
+  // os.mkdirp(name, mask) creates a directory.  The mask (if present) is anded
+  // with the current umask.  Intermediate directories are created if necessary.
+  // An exception is not thrown if the directory already exists.  Analogous to
+  // the "mkdir -p" command.
   static Handle<Value> OSObject(const Arguments& args);
   static Handle<Value> System(const Arguments& args);
   static Handle<Value> ChangeDirectory(const Arguments& args);
   static Handle<Value> SetEnvironment(const Arguments& args);
+  static Handle<Value> SetUMask(const Arguments& args);
+  static Handle<Value> MakeDirectory(const Arguments& args);
+  static Handle<Value> RemoveDirectory(const Arguments& args);
+
+  static void AddOSMethods(Handle<ObjectTemplate> os_template);
 
   static Handle<Context> utility_context() { return utility_context_; }
 
   static const char* kHistoryFileName;
   static const char* kPrompt;
  private:
   static Persistent<Context> utility_context_;
   static Persistent<Context> evaluation_context_;
   static CounterMap* counter_map_;
   // We statically allocate a set of local counters to be used if we
@@ skipping 22 matching lines @@
   const char* name_;
   LineEditor* next_;
   static LineEditor* first_;
 };
 
 
 }  // namespace v8
 
 
 #endif  // V8_D8_H_