X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Fng_paramodulation%2Fterms.ml;h=aefbc01a864ea3a870746f11d7273f27d5eef8ff;hb=68a557b997805b4a96fb2851cb4d2ab2076bba36;hp=0118df7c18ea4f3fc2cdcd17aaad1a2f2daeaa82;hpb=a9e037fe189335607ab5d10523c836d8c7717245;p=helm.git

diff --git a/helm/software/components/ng_paramodulation/terms.ml b/helm/software/components/ng_paramodulation/terms.ml
index 0118df7c1..aefbc01a8 100644
--- a/helm/software/components/ng_paramodulation/terms.ml
+++ b/helm/software/components/ng_paramodulation/terms.ml
@@ -56,7 +56,26 @@ module OT =
 module M : Map.S with type key = int 
   = Map.Make(OT) 
 
-type 'a bag = 'a unit_clause M.t
+type 'a bag = int
+              * (('a unit_clause * bool) M.t)
+
+  let add_to_bag (_,lit,vl,proof) (id,bag) =
+    let id = id+1 in
+    let clause = (id, lit, vl, proof) in
+    let bag = M.add id (clause,false) bag in
+    (id,bag), clause 
+   ;;
+
+  let replace_in_bag ((id,_,_,_),_ as cl) (max_id,bag) =
+    let bag = M.add id cl bag in
+      (max_id,bag)
+  ;;
+
+  let get_from_bag id (_,bag) =
+    M.find id bag
+  ;;
+    
+  let empty_bag = (0,M.empty);;
 
 module type Blob =
   sig
@@ -65,8 +84,8 @@ module type Blob =
     val compare : t -> t -> int
     val eqP : t
     val pp : t -> string
-    val embed : t -> t foterm
-    val saturate : t -> t -> t foterm * t foterm
-    val mk_proof : t bag -> int -> int list -> t
+    type input
+    val embed : input -> t foterm
+    val saturate : input -> input -> t foterm * t foterm
   end