X-Git-Url: http://git.nguyen.vg/gitweb/?a=blobdiff_plain;f=src%2Fasta.ml;h=942133c9162e1c2e99abf3736368aeef52151c95;hb=5e6e859cd104ffdaa08bca3f1edeaa6f21edccf8;hp=2f4083638686b4fbe38c52b8c869c7f752581900;hpb=7f20d23e406e81e6e7271d2621cb868d9fe63aae;p=tatoo.git

diff --git a/src/asta.ml b/src/asta.ml
index 2f40836..942133c 100644
--- a/src/asta.ml
+++ b/src/asta.ml
@@ -114,24 +114,27 @@ let top_states ast = StateSet.elements ast.top
 let print fmt asta =
   let print_box fmt flag = 
     let pp = Format.fprintf fmt in
-    Format.fprintf fmt "@[<v 0># Query states: %a@ @]"
+    pp "@[<v 0># Query states: %a@ @]"
       StateSet.print asta.quer;
-    Format.fprintf fmt "@[<v 0># Recognizing states: %a@ @]"
+    pp "@[<v 0># Recognizing states: %a@ @]"
       StateSet.print asta.reco;
-    Format.fprintf fmt "@[<v 0># Selecting states: %a@ @]"
+    pp "@[<v 0># Selecting states: %a@ @]"
       StateSet.print asta.selec;
-    Format.fprintf fmt "@[<v 0># Bottom states: %a@ @]"
+    pp "@[<v 0># Bottom states: %a@ @]"
       StateSet.print asta.bottom;
-    Format.fprintf fmt "@[<v 0># Tom states: %a@ @]"
+    pp "@[<v 0># Tom states: %a@ @]"
       StateSet.print asta.top;
     let print_list_tr fmt z=
-      SetT.iter (fun x -> Format.fprintf fmt "|  %a@ "  Transition.print x) z in
+      if SetT.is_empty z 
+      then Format.fprintf fmt "ø"
+      else
+	SetT.iter (fun x -> Format.fprintf fmt "|  %a@ "  Transition.print x) z in
     let print_box_list fmt trans  =
       Format.fprintf fmt "  @[<hov 0>%a @]" print_list_tr trans in
     Format.fprintf fmt "@[<v 0># Queries transitions:@ %a@ @]"
       print_box_list asta.trans_q;
     Format.fprintf fmt "@[<v 0># Recognizing transitions:@ %a@ @]"
       print_box_list asta.trans_r in
-  Format.fprintf fmt "@[<v 0> ##### ASTA #####@. %a@ @]@ " print_box 0
+  Format.fprintf fmt "@[<v 0> ##### ASTA #####@. %a@ @]" print_box 0
 
 let to_file out asta = ()