X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Focaml%2Ftactics%2FproofEngineTypes.mli;h=d50707f7344f898068df21d29809a9f22729f6d7;hb=a423d321a98c6f31dab56505fe7acf0110df38e8;hp=4d418b5bcda0a8c4614343bc8e9524282366f24e;hpb=80fc89019bcb7fb7e0e1fb8bb111b708be49d19f;p=helm.git

diff --git a/helm/ocaml/tactics/proofEngineTypes.mli b/helm/ocaml/tactics/proofEngineTypes.mli
index 4d418b5bc..d50707f73 100644
--- a/helm/ocaml/tactics/proofEngineTypes.mli
+++ b/helm/ocaml/tactics/proofEngineTypes.mli
@@ -44,17 +44,37 @@ val initial_status: Cic.term -> Cic.metasenv -> status
 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 = Cic.term option * (string * Cic.term) list * Cic.term
+type ('term, 'lazy_term) pattern =
+  'lazy_term option * (string * 'term) list * 'term option
+
+type lazy_pattern = (Cic.term, lazy_term) pattern
 
  (** conclusion_pattern [t] returns the pattern (t,[],%) *)
-val conclusion_pattern : Cic.term option -> pattern
+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
+