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+(*************************************************************************
+
+   PROJET RNRT Calife - 2001
+   Author: Pierre Crégut - France Télécom R&D
+   Licence : LGPL version 2.1
+
+ *************************************************************************)
+
+(*i camlp4deps: "parsing/grammar.cma" i*)
+
+open Refl_omega
+open Refiner
+
+let romega_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 ROmega knowledge base for type "^s))
+    (Util.list_uniquize (List.sort compare l))
+  in
+  tclTHEN
+    (tclREPEAT (tclPROGRESS (tclTHENLIST tacs)))
+    (tclTHEN
+       (* because of the contradiction process in (r)omega,
+          we'd better leave as little as possible in the conclusion,
+          for an easier decidability argument. *)
+       Tactics.intros
+       total_reflexive_omega_tactic)
+
+
+TACTIC EXTEND romega
+|  [ "romega" ] -> [ romega_tactic [] ]
+END
+
+TACTIC EXTEND romega'
+| [ "romega" "with" ne_ident_list(l) ] ->
+    [ romega_tactic (List.map Names.string_of_id l) ]
+| [ "romega" "with" "*" ] -> [ romega_tactic ["nat";"positive";"N";"Z"] ]
+END