X-Git-Url: http://git.nguyen.vg/gitweb/?p=tatoo.git;a=blobdiff_plain;f=src%2Fstate.ml;fp=src%2Fstate.ml;h=4fbfc1cdeabcbda8bfb6175921b87d577ada82b9;hp=0000000000000000000000000000000000000000;hb=cba2938d929fd5119b1491686ddc224d5af618c6;hpb=0cf8def92c8c6e708ec333b13dbe46decf554d81

diff --git a/src/state.ml b/src/state.ml
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+(***********************************************************************)
+(*                                                                     *)
+(*                               TAToo                                 *)
+(*                                                                     *)
+(*                     Kim Nguyen, LRI UMR8623                         *)
+(*                   Université Paris-Sud & CNRS                       *)
+(*                                                                     *)
+(*  Copyright 2010-2012 Université Paris-Sud and Centre National de la *)
+(*  Recherche Scientifique. All rights reserved.  This file is         *)
+(*  distributed under the terms of the GNU Lesser General Public       *)
+(*  License, with the special exception on linking described in file   *)
+(*  ../LICENSE.                                                        *)
+(*                                                                     *)
+(***********************************************************************)
+
+open Format
+
+type t = int
+let make =
+  let id = ref ~-1 in
+    fun () -> incr id; !id
+
+let compare = (-)
+
+let equal = (==)
+
+external hash : t -> int =  "%identity"
+
+let print fmt x = fprintf fmt "q%a" Pretty.pp_subscript x
+
+let dump fmt x = print fmt x
+
+let check x =
+  if x < 0 then failwith (Printf.sprintf "State: Assertion %i < 0 failed" x)
+
+let dummy = max_int