let get_named_variables name =
  let add_kf_vars kf vars =
    try 
      let v = Globals.Vars.find_from_astinfo name (Cil_types.VFormal kf) in
      Format.printf "found variable vid:%d formal in %a@."
        v.Cil_types.vid Cil_datatype.Kf.pretty kf;
      v::vars
    with Not_found -> vars
  in
  let vars = Globals.Functions.fold add_kf_vars [] in
    vars

let main () =
  Ast.compute ();
  let vars = get_named_variables "x" in
  let do_v v =
    let pp_kind fmt kind = match kind with
      | Cil_types.VGlobal -> Format.fprintf fmt "global"
      | Cil_types.VFormal kf -> 
          Format.fprintf fmt "formal in %a" Cil_datatype.Kf.pretty kf
      | Cil_types.VLocal kf -> 
          Format.fprintf fmt "local in %a" Cil_datatype.Kf.pretty kf
    in
    let _, kind = Globals.Vars.get_astinfo v in
      Format.printf "[do_v] vid:%d %a@."  v.Cil_types.vid 
       (* Cil_datatype.Localisation.pretty *) pp_kind kind
  in List.iter do_v vars

let () = Db.Main.extend main