Print labels (=QName -> qname.ml? )

[tatoo.git] / src / asta.ml

diff --git a/src/asta.ml b/src/asta.ml
index 670bb35..8b9682c 100644 (file)
--- a/src/asta.ml
+++ b/src/asta.ml
@@ -35,7 +35,7 @@ struct
   let print fmt (st,la,f) =
     Format.fprintf fmt "(%a,%s,%a)"
       State.print st
-      "TODO la"
+      (QNameSet.to_string la)
       Formula.print f
 end
 
@@ -44,6 +44,8 @@ struct
   include Set.Make(Transition)
 end
 
+type transition = Transition.t
+
 type t = {
   mutable reco : StateSet.t;
   mutable selec : StateSet.t;
@@ -71,7 +73,7 @@ let transitions asta st =
     | (a,s,l) :: tl -> (s,l) :: (remove_states tl) in
   remove_states (SetT.elements (SetT.filter filter asta.trans))
 
-let dummy = {
+let empty = {
   reco = StateSet.empty;
   selec = StateSet.empty;
   bottom = StateSet.empty;
@@ -79,6 +81,21 @@ let dummy = {
   trans = SetT.empty;
 }
 
+let any_label = QNameSet.complement (QNameSet.empty)
+
+let new_state () = State.make()
+
+let add_tr ast tr = ast.trans <- (SetT.add tr (ast.trans))
+
+let add_reco ast st = ast.reco <- (StateSet.add st (ast.reco))
+
+let add_selec ast st = ast.selec <- (StateSet.add st (ast.selec))
+
+let add_bot ast st = ast.bottom <- (StateSet.add st (ast.bottom))
+
+let add_top ast st = ast.top <- (StateSet.add st (ast.top))
+
+let top_states ast = StateSet.elements ast.top
 
 let print fmt asta =
   let pp = Format.fprintf fmt in