diff --git a/runtime/autoload/gnat.vim b/runtime/autoload/gnat.vim
new file mode 100644
index 0000000..5f99450
--- /dev/null
+++ b/runtime/autoload/gnat.vim
@@ -0,0 +1,139 @@
+"------------------------------------------------------------------------------
+"  Description: Vim Ada/GNAT compiler file
+"     Language: Ada (GNAT)
+"          $Id$
+"    Copyright: Copyright (C) 2006 Martin Krischik
+"   Maintainer:	Martin Krischik
+"      $Author$
+"        $Date$
+"      Version: 4.2
+"    $Revision$
+"     $HeadURL: https://svn.sourceforge.net/svnroot/gnuada/trunk/tools/vim/autoload/gnat.vim $
+"      History: 24.05.2006 MK Unified Headers
+"		16.07.2006 MK Ada-Mode as vim-ball
+"		05.08.2006 MK Add session support
+"               15.10.2006 MK Bram's suggestion for runtime integration
+"               05.11.2006 MK Bram suggested not to use include protection for
+"                             autoload
+"		05.11.2006 MK Bram suggested to save on spaces
+"    Help Page: compiler-gnat
+"------------------------------------------------------------------------------
+
+if version < 700
+    finish
+endif
+
+function gnat#Make () dict					     " {{{1
+   let &l:makeprg	 = self.Get_Command('Make')
+   let &l:errorformat = self.Error_Format
+   wall
+   make
+   copen
+   set wrap
+   wincmd W
+endfunction gnat#Make						     " }}}1
+
+function gnat#Pretty () dict					     " {{{1
+   execute "!" . self.Get_Command('Pretty')
+endfunction gnat#Make						     " }}}1
+
+function gnat#Find () dict					     " {{{1
+   execute "!" . self.Get_Command('Find')
+endfunction gnat#Find						     " }}}1
+
+function gnat#Tags () dict					     " {{{1
+   execute "!" . self.Get_Command('Tags')
+   edit tags
+   call gnat#Insert_Tags_Header ()
+   update
+   quit
+endfunction gnat#Tags						     " }}}1
+
+function gnat#Set_Project_File (...) dict			     " {{{1
+   if a:0 > 0
+      let self.Project_File = a:1
+
+      if ! filereadable (self.Project_File)
+	 let self.Project_File = findfile (
+	    \ fnamemodify (self.Project_File, ':r'),
+	    \ $ADA_PROJECT_PATH,
+	    \ 1)
+      endif
+   elseif strlen (self.Project_File) > 0
+      let self.Project_File = browse (0, 'GNAT Project File?', '', self.Project_File)
+   elseif expand ("%:e") == 'gpr'
+      let self.Project_File = browse (0, 'GNAT Project File?', '', expand ("%:e"))
+   else
+      let self.Project_File = browse (0, 'GNAT Project File?', '', 'default.gpr')
+   endif
+
+   if strlen (v:this_session) > 0
+      execute 'mksession! ' . v:this_session
+   endif
+
+   if strlen (self.Project_File) > 0
+      call ada#Switch_Session (
+	 \ expand('~') . "/vimfiles/session/" .
+	 \ fnamemodify (self.Project_File, ":t:r") . ".vim")
+   else
+      call ada#Switch_Session ('')
+   endif
+
+   return
+endfunction gnat#Set_Project_File				     " }}}1
+
+function gnat#Get_Command (Command) dict			     " {{{1
+   let l:Command = eval ('self.' . a:Command . '_Command')
+   return eval (l:Command)
+endfunction gnat#Get_Command					     " }}}1
+
+function gnat#Set_Session (...) dict				     " {{{1
+   if argc() == 1 && fnamemodify (argv(0), ':e') == 'gpr'
+      call self.Set_Project_File (argv(0))
+   elseif  strlen (v:servername) > 0
+      call self.Set_Project_File (v:servername . '.gpr')
+   endif
+endfunction gnat#Set_Session					     " }}}1
+
+function gnat#New ()						     " {{{1
+   let l:Retval = {
+      \ 'Make'	      : function ('gnat#Make'),
+      \ 'Pretty'	      : function ('gnat#Pretty'),
+      \ 'Find'	      : function ('gnat#Find'),
+      \ 'Tags'	      : function ('gnat#Tags'),
+      \ 'Set_Project_File' : function ('gnat#Set_Project_File'),
+      \ 'Set_Session'      : function ('gnat#Set_Session'),
+      \ 'Get_Command'      : function ('gnat#Get_Command'),
+      \ 'Project_File'     : '',
+      \ 'Make_Command'     : '"gnat make -P " . self.Project_File . "  -F -gnatef  "',
+      \ 'Pretty_Command'   : '"gnat pretty -P " . self.Project_File . " "',
+      \ 'Find_Program'     : '"gnat find -P " . self.Project_File . " -F "',
+      \ 'Tags_Command'     : '"gnat xref -P " . self.Project_File . " -v  *.AD*"',
+      \ 'Error_Format'     : '%f:%l:%c: %trror: %m,'   .
+			   \ '%f:%l:%c: %tarning: %m,' .
+			   \ '%f:%l:%c: (%ttyle) %m'}
+
+   return l:Retval
+endfunction gnat#New						  " }}}1
+
+function gnat#Insert_Tags_Header ()				  " {{{1
+   1insert
+!_TAG_FILE_FORMAT       1	 /extended format; --format=1 will not append ;" to lines/
+!_TAG_FILE_SORTED       1	 /0=unsorted, 1=sorted, 2=foldcase/
+!_TAG_PROGRAM_AUTHOR    AdaCore	 /info@adacore.com/
+!_TAG_PROGRAM_NAME      gnatxref //
+!_TAG_PROGRAM_URL       http://www.adacore.com  /official site/
+!_TAG_PROGRAM_VERSION   5.05w   //
+.
+   return
+endfunction gnat#Insert_Tags_Header				  " }}}1
+
+finish " 1}}}
+
+"------------------------------------------------------------------------------
+"   Copyright (C) 2006  Martin Krischik
+"
+"   Vim is Charityware - see ":help license" or uganda.txt for licence details.
+"------------------------------------------------------------------------------
+" vim: textwidth=0 wrap tabstop=8 shiftwidth=3 softtabstop=3 noexpandtab
+" vim: foldmethod=marker