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[SXSI/xpathcomp.git] / ata.mli

diff --git a/ata.mli b/ata.mli
index f5e2c4f..4ec2f59 100644 (file)
--- a/ata.mli
+++ b/ata.mli
@@ -1,56 +1,78 @@
+module TS : sig
+  type t
+  val empty : t
+  val cons : Tree.t -> t -> t
+  val append : Tree.t -> t -> t
+  val concat : t -> t -> t
+  val length  : t -> int
+  val iter : (Tree.t -> unit) -> t -> unit
+end
+
 type state = int
 val mk_state : unit -> state
 
-type predicate = Ptset.t*Ptset.t -> Tree.Binary.t ->  [ `True | `False | `Maybe ]
 type formula_expr =
     False
   | True
   | Or of formula * formula
   | And of formula * formula
-  | Atom of ([ `Left | `Right ] * bool * state * predicate option)
-and formula = { fid : int; pos : formula_expr; neg : formula; st : Ptset.t*Ptset.t;}
+  | Atom of ([ `Left | `Right | `LLeft | `RRight ] * bool * state)
+and formula = { fid : int; fkey : int; pos : formula_expr; neg : formula; st : (Ptset.t*Ptset.t*Ptset.t)*(Ptset.t*Ptset.t*Ptset.t); size: int;}
 val true_ : formula
 val false_ : formula
-val atom_ : ?pred:predicate option -> [`Left | `Right ] -> bool -> state -> formula
+val atom_ : [`Left | `Right | `LLeft | `RRight ] -> bool -> state -> formula
 val and_ : formula -> formula -> formula
 val or_ : formula -> formula -> formula
 val not_ : formula -> formula 
-val equal_form : formula -> formula -> bool
+(*val equal_form : formula -> formula -> bool *)
 val pr_frm : Format.formatter -> formula -> unit
 
 
-type property = [ `None | `Existential  ]
+module HTagSet : Hashtbl.S with type key = Ptset.t*Tag.t
+
+type dispatch = { first : Tree.t -> Tree.t;
+                 flabel : string;
+                 next : Tree.t -> Tree.t -> Tree.t;    
+                 nlabel : string;
+                 consres : Tree.t -> TS.t -> TS.t -> bool -> bool -> TS.t;
+               }
+
+type formlist = Nil | Cons of state*formula*int*formlist
 
-type t = {
-  id : int;
-  states : Ptset.t;
-  init : Ptset.t;
-  final : Ptset.t;
-  universal : Ptset.t;
-  phi : (TagSet.t * state, bool * formula) Hashtbl.t;
-  delta : (TagSet.t, Ptset.t * bool * Ptset.t * Ptset.t) Hashtbl.t;
-  properties : (state,property) Hashtbl.t;
+type t = { 
+    id : int;
+    mutable states : Ptset.t;
+    init : Ptset.t;
+    mutable final : Ptset.t;
+    universal : Ptset.t;
+    starstate : Ptset.t option;
+    (* Transitions of the Alternating automaton *)
+    phi : (state,(TagSet.t*(bool*formula*bool)) list) Hashtbl.t;
+    sigma : (dispatch*bool*formlist*Ptset.t*Ptset.t) HTagSet.t;
 }
 val dump : Format.formatter -> t -> unit
     
 module Transitions : sig
-type t = state*TagSet.t*bool*formula
+type t = state*TagSet.t*bool*formula*bool
 (* Doing this avoid the parenthesis *)
 val ( ?< ) : state -> state 
-val ( >< ) : state -> TagSet.t*bool -> state*(TagSet.t*bool)
-val ( >=> ) : state*(TagSet.t*bool) -> formula -> t
+val ( >< ) : state -> TagSet.t*bool -> state*(TagSet.t*bool*bool)
+val ( ><@ ) : state -> TagSet.t*bool -> state*(TagSet.t*bool*bool)
+val ( >=> ) : state*(TagSet.t*bool*bool) -> formula -> t
 val ( +| ) : formula -> formula -> formula
 val ( *& ) : formula -> formula -> formula
-val ( ** ) : [`Left | `Right ] -> state -> formula
+val ( ** ) : [`Left | `Right | `LLeft | `RRight ] -> state -> formula
 
 end
 type transition = Transitions.t
-val equal_trans : transition -> transition -> bool
+val equal_trans : transition -> transition -> bool 
 
 
-module BottomUpNew : 
-sig
-  val miss : int ref
-  val call : int ref
-  val run : t -> Tree.Binary.t -> Tree.Binary.t list
-end
+
+(*module BottomUpJumpNew : 
+sig *)
+  val run : t -> Tree.t -> TS.t*int
+  val run_count : t -> Tree.t -> int
+  val run_time :  t -> Tree.t -> TS.t*int
+(*end *)
+