From 5b7eafd0f00a16d78f99a27f5c7d5a0de77dc7e6 Mon Sep 17 00:00:00 2001
From: Stephane Glondu <steph@glondu.net>
Date: Wed, 21 Jul 2010 09:46:51 +0200
Subject: Imported Upstream snapshot 8.3~beta0+13298

---
 plugins/omega/g_omega.ml4 | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 plugins/omega/g_omega.ml4

(limited to 'plugins/omega/g_omega.ml4')

diff --git a/plugins/omega/g_omega.ml4 b/plugins/omega/g_omega.ml4
new file mode 100644
index 00000000..3bfdce7f
--- /dev/null
+++ b/plugins/omega/g_omega.ml4
@@ -0,0 +1,47 @@
+(************************************************************************)
+(*  v      *   The Coq Proof Assistant  /  The Coq Development Team     *)
+(* <O___,, * CNRS-Ecole Polytechnique-INRIA Futurs-Universite Paris Sud *)
+(*   \VV/  **************************************************************)
+(*    //   *      This file is distributed under the terms of the       *)
+(*         *       GNU Lesser General Public License Version 2.1        *)
+(************************************************************************)
+(**************************************************************************)
+(*                                                                        *)
+(* Omega: a solver of quantifier-free problems in Presburger Arithmetic   *)
+(*                                                                        *)
+(* Pierre Crégut (CNET, Lannion, France)                                  *)
+(*                                                                        *)
+(**************************************************************************)
+
+(*i camlp4deps: "parsing/grammar.cma" i*)
+
+(* $Id$ *)
+
+open Coq_omega
+open Refiner
+
+let omega_tactic l =
+  let tacs = List.map
+    (function
+       | "nat" -> Tacinterp.interp <:tactic<zify_nat>>
+       | "positive" -> Tacinterp.interp <:tactic<zify_positive>>
+       | "N" -> Tacinterp.interp <:tactic<zify_N>>
+       | "Z" -> Tacinterp.interp <:tactic<zify_op>>
+       | s -> Util.error ("No Omega knowledge base for type "^s))
+    (Util.list_uniquize (List.sort compare l))
+  in
+  tclTHEN
+    (tclREPEAT (tclPROGRESS (tclTHENLIST tacs)))
+    omega_solver
+
+
+TACTIC EXTEND omega
+|  [ "omega" ] -> [ omega_tactic [] ]
+END
+
+TACTIC EXTEND omega'
+| [ "omega" "with" ne_ident_list(l) ] ->
+    [ omega_tactic (List.map Names.string_of_id l) ]
+| [ "omega" "with" "*" ] -> [ omega_tactic ["nat";"positive";"N";"Z"] ]
+END
+
-- 
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