ocamlbuild/tags.ml

   1 (***********************************************************************)
   2 (*                             ocamlbuild                              *)
   3 (*                                                                     *)
   4 (*  Nicolas Pouillard, Berke Durak, projet Gallium, INRIA Rocquencourt *)
   5 (*                                                                     *)
   6 (*  Copyright 2007 Institut National de Recherche en Informatique et   *)
   7 (*  en Automatique.  All rights reserved.  This file is distributed    *)
   8 (*  under the terms of the Q Public License version 1.0.               *)
   9 (*                                                                     *)
  10 (***********************************************************************)
  11
  12 (* $Id$ *)
  13 (* Original author: Nicolas Pouillard *)
  14 include Set.Make(String)
  15
  16 (**
  17   does_match {foo, bar, baz} {foo} => ok
  18   does_match {foo, bar, baz} {foo, boo} => ko
  19   does_match {foo, bar, baz} {} => ok
  20   does_match {foo, bar, baz} {foo, bar, baz} => ok
  21 *)
  22 let does_match x y = subset y x
  23
  24 let of_list l = List.fold_right add l empty
  25
  26 open Format
  27
  28 let print f s =
  29   let () = fprintf f "@[<0>" in
  30   let _ =
  31     fold begin fun elt first ->
  32       if not first then fprintf f ",@ ";
  33       pp_print_string f elt;
  34       false
  35     end s true in
  36   fprintf f "@]"
  37
  38 module Operators = struct
  39   let ( ++ ) x y = add y x
  40   let ( -- ) x y = remove y x
  41   let ( +++ ) x = function Some y -> add y x | None -> x
  42   let ( --- ) x = function Some y -> remove y x | None -> x
  43 end