X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fcomponents%2Facic_procedural%2FproceduralTypes.ml;h=3b6afc4c31ac0d54f18d58613c583311801e199d;hb=5b45f78ed4293ebbe8cc73ad925bca11a300d021;hp=b194fbfa9fd9f5afce2bfa3f6384ec6d660ab85c;hpb=a57ca0d68754b946b33976acf2e72f45ff11c8d7;p=helm.git

diff --git a/helm/software/components/acic_procedural/proceduralTypes.ml b/helm/software/components/acic_procedural/proceduralTypes.ml
index b194fbfa9..3b6afc4c3 100644
--- a/helm/software/components/acic_procedural/proceduralTypes.ml
+++ b/helm/software/components/acic_procedural/proceduralTypes.ml
@@ -79,6 +79,7 @@ type step = Note of note
 	  | LetIn of name * what * note
 	  | Rewrite of how * what * where * pattern * note
 	  | Elim of what * using option * pattern * note
+	  | Cases of what * pattern * note
 	  | Apply of what * note
 	  | Change of inferred * what * where * pattern * note 
 	  | Clear of hyp list * note
@@ -194,6 +195,11 @@ let mk_elim what using pattern punctation =
    let tactic = G.Elim (floc, what, using, pattern, (Some 0, [])) in
    mk_tactic tactic punctation
 
+let mk_cases what pattern punctation =
+   let pattern = None, [], Some pattern in
+   let tactic = G.Cases (floc, what, pattern, (Some 0, [])) in
+   mk_tactic tactic punctation
+
 let mk_apply t punctation =
    let tactic = G.ApplyP (floc, t) in
    mk_tactic tactic punctation
@@ -239,6 +245,7 @@ let rec render_step sep a = function
    | LetIn (n, t, s)           -> mk_letin n t sep :: mk_tacnote s a
    | Rewrite (b, t, w, e, s)   -> mk_rewrite b t w e sep :: mk_tacnote s a
    | Elim (t, xu, e, s)        -> mk_elim t xu e sep :: mk_tacnote s a
+   | Cases (t, e, s)           -> mk_cases t e sep :: mk_tacnote s a
    | Apply (t, s)              -> mk_apply t sep :: mk_tacnote s a
    | Change (t, _, w, e, s)    -> mk_change t w e sep :: mk_tacnote s a
    | Clear (ns, s)             -> mk_clear ns sep :: mk_tacnote s a
@@ -287,6 +294,7 @@ let rec count_node a = function
    | Apply (t, _)            -> I.count_nodes a (H.cic t)
    | Rewrite (_, t, _, p, _)
    | Elim (t, _, p, _)
+   | Cases (t, p, _)
    | Change (t, _, _, p, _)  -> 
       let a = I.count_nodes a (H.cic t) in
       I.count_nodes a (H.cic p)