X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FproofEngineTypes.mli;h=63be26bb71630396f12f2d10a6063404bb76d189;hb=d1126c6b78a3333bbf415daf027004496b77c2f4;hp=6d2bae11e0040b7e30193282824898f18a0ba6b6;hpb=abd9e5cfa8e7b6923e0664a4813a0a842f5c4e76;p=helm.git

diff --git a/helm/ocaml/tactics/proofEngineTypes.mli b/helm/ocaml/tactics/proofEngineTypes.mli
index 6d2bae11e..63be26bb7 100644
--- a/helm/ocaml/tactics/proofEngineTypes.mli
+++ b/helm/ocaml/tactics/proofEngineTypes.mli
@@ -44,13 +44,25 @@ val initial_status: Cic.term -> Cic.metasenv -> status
 type tactic 
 val mk_tactic: (status -> proof * goal list) -> tactic
 
-(** the type of a tactic application domain 
- *  [ hypothesis_name * path ] * goal_path
- *)
-type pattern = (string * Cic.term) list * Cic.term option
+type reduction = Cic.context -> Cic.term -> Cic.term
+
+type lazy_term =
+  Cic.context -> Cic.metasenv -> CicUniv.universe_graph ->
+    Cic.term * Cic.metasenv * CicUniv.universe_graph
+
+val const_lazy_term: Cic.term -> lazy_term
+
+type lazy_reduction =
+  Cic.context -> Cic.metasenv -> CicUniv.universe_graph ->
+    reduction * Cic.metasenv * CicUniv.universe_graph
+
+val const_lazy_reduction: reduction -> lazy_reduction
+
+ (** what, hypothesis patterns, conclusion pattern *)
+type pattern = lazy_term option * (string * Cic.term) list * Cic.term
 
-(** the pattern for the whole goal *)
-val goal_pattern : pattern
+ (** conclusion_pattern [t] returns the pattern (t,[],%) *)
+val conclusion_pattern : Cic.term option -> pattern
 
   (** tactic failure *)
 exception Fail of string