ext_format.ml

(* Copyright (C) 2015-2016 Bloomberg Finance L.P.
 * 
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * In addition to the permissions granted to you by the LGPL, you may combine
 * or link a "work that uses the Library" with a publicly distributed version
 * of this file to produce a combined library or application, then distribute
 * that combined work under the terms of your choosing, with no requirement
 * to comply with the obligations normally placed on you by section 4 of the
 * LGPL version 3 (or the corresponding section of a later version of the LGPL
 * should you choose to use a later version).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *)

open Format

type t = formatter

(* let string = pp_print_string *)

(* let break = fun fmt -> pp_print_break fmt 0 0

   let break1 =
   fun fmt -> pp_print_break fmt 0 1

   let space  fmt  =
   pp_print_break fmt 1 0
*)
(* let vgroup fmt indent u =
   pp_open_vbox fmt indent;
   let v = u () in
   pp_close_box fmt ();
   v

   let group fmt indent u =
   pp_open_hovbox fmt indent;
   let v = u () in
   pp_close_box fmt ();
   v

   let paren fmt u =
   string fmt "(";
   let v = u () in
   string fmt ")";
   v

   let brace fmt u =
   string fmt "{";
   (* break1 fmt ; *)
   let v = u () in
   string fmt "}";
   v

   let bracket fmt u =
   string fmt "[";
   let v = u () in
   string fmt "]";
   v *)

(* let paren_group st n action =
   group st n (fun _ -> paren st action)

   let brace_group st n action =
   group st n (fun _ -> brace st action )

   let brace_vgroup st n action =
   vgroup st n (fun _ ->
    string st "{";
    pp_print_break st 0 2;
    let v = vgroup st 0 action in
    pp_print_break st 0 0;
    string st "}";
    v
              )
   let bracket_group st n action =
   group st n (fun _ -> bracket st action)

   let newline fmt = pp_print_newline fmt ()

   let to_out_channel = formatter_of_out_channel

   (* let non_breaking_space  fmt = string fmt " " *)
   (* let set_needed_space_function _ _ = () *)
   let flush = pp_print_flush
*)
(* let list = pp_print_list *)

let pp_print_queue ?(pp_sep = pp_print_cut) pp_v ppf q =
  Queue.iter
    (fun q ->
      pp_v ppf q;
      pp_sep ppf ())
    q