X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FproofEngineTypes.mli;h=63be26bb71630396f12f2d10a6063404bb76d189;hb=d1126c6b78a3333bbf415daf027004496b77c2f4;hp=c58b729b5acca1ff2ee9ee0fb6e16d476d5446b6;hpb=655906d74521fa49de332f54ec34bfc9d9744151;p=helm.git

diff --git a/helm/ocaml/tactics/proofEngineTypes.mli b/helm/ocaml/tactics/proofEngineTypes.mli
index c58b729b5..63be26bb7 100644
--- a/helm/ocaml/tactics/proofEngineTypes.mli
+++ b/helm/ocaml/tactics/proofEngineTypes.mli
@@ -31,6 +31,11 @@ type proof = UriManager.uri option * Cic.metasenv * Cic.term * Cic.term
 type goal = int
 type status = proof * goal
 
+  (** @param goal
+  * @param goal's metasenv
+  * @return initial proof status for the given goal *)
+val initial_status: Cic.term -> Cic.metasenv -> status
+
   (**
     a tactic: make a transition from one status to another one or, usually,
     raise a "Fail" (@see Fail) exception in case of failure
@@ -39,6 +44,26 @@ type status = proof * goal
 type tactic 
 val mk_tactic: (status -> proof * goal list) -> tactic
 
+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
+
+ (** conclusion_pattern [t] returns the pattern (t,[],%) *)
+val conclusion_pattern : Cic.term option -> pattern
+
   (** tactic failure *)
 exception Fail of string