X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FproofEngineTypes.mli;h=4396ea78f62879e678faa487127f750afbb21699;hb=63b0d7b57e1c0b85c8e38fadf1d24411fa9b4897;hp=c58b729b5acca1ff2ee9ee0fb6e16d476d5446b6;hpb=655906d74521fa49de332f54ec34bfc9d9744151;p=helm.git

diff --git a/helm/ocaml/tactics/proofEngineTypes.mli b/helm/ocaml/tactics/proofEngineTypes.mli
index c58b729b5..4396ea78f 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
@@ -39,11 +44,33 @@ type status = proof * goal
 type tactic 
 val mk_tactic: (status -> proof * goal list) -> tactic
 
+type reduction = Cic.context -> Cic.term -> Cic.term
+
+val const_lazy_term: Cic.term -> Cic.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 ('term, 'lazy_term) pattern =
+  'lazy_term option * (string * 'term) list * 'term option
+
+type lazy_pattern = (Cic.term, Cic.lazy_term) pattern
+
+ (** conclusion_pattern [t] returns the pattern (t,[],%) *)
+val conclusion_pattern : Cic.term option -> lazy_pattern
+
   (** tactic failure *)
-exception Fail of string
+exception Fail of string Lazy.t
 
 val apply_tactic: tactic -> status ->  proof * goal list
   
   (** constraint: the returned value will always be constructed by Cic.Name **)
 type mk_fresh_name_type =
  Cic.metasenv -> Cic.context -> Cic.name -> typ:Cic.term -> Cic.name
+
+val goals_of_proof: proof -> goal list
+