X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=src%2Fruntime.ml;h=d74c26aefcbf93c8338a2af6f03a3702691b7a5f;hb=63db110485e97e189313abd1a6ce1bedf941d76d;hp=c355f5e35edbec206adfd2fa0c76aafe0735b5b3;hpb=4b52da1a20a4fe031930bb96d2ca46bec06dc529;p=SXSI%2Fxpathcomp.git

diff --git a/src/runtime.ml b/src/runtime.ml
index c355f5e..d74c26a 100644
--- a/src/runtime.ml
+++ b/src/runtime.ml
@@ -1,4 +1,5 @@
 INCLUDE "debug.ml"
+INCLUDE "trace.ml"
 INCLUDE "utils.ml"
 
 open Format
@@ -24,6 +25,7 @@ module Make (U : ResJIT.S) : S with type result_set = U.NS.t =
 	  | Formula.Atom (`Right, b, q) ->
 	      Formula.of_bool(b == (StateSet.mem q s2)),
 	      if b && StateSet.mem q auto.topdown_marking_states then [ResJIT.RIGHT q] else []
+	  | Formula.Atom (`Epsilon, _, _) -> assert false
 
 	  | Formula.Or(f1, f2) ->
 	      let b1, i1 = loop f1 in
@@ -188,6 +190,12 @@ module Make (U : ResJIT.S) : S with type result_set = U.NS.t =
 
 DEFINE LOOP (t, states, ctx) = (
   let _t = (t) in
+  TRACE("top-down-run", 3,
+	__ "Entering node %i (tag %s, context %i) with states %a\n%!"
+	  (Node.to_int _t)
+	  (Tag.to_string (Tree.tag tree _t))
+	  (Node.to_int (ctx))
+	  (StateSet.print) (states));
   if _t == Tree.nil then nil_res
   else
     let tag = Tree.tag tree _t in