ocaml 3.09 transition

[helm.git] / helm / ocaml / tactics / proofEngineTypes.ml

diff --git a/helm/ocaml/tactics/proofEngineTypes.ml b/helm/ocaml/tactics/proofEngineTypes.ml
index 7d1a53d73230862158a1a44570f84b4a20437fbc..58dafd1a674441e25a8a933dc82a031fef1a5fea 100644 (file)
--- a/helm/ocaml/tactics/proofEngineTypes.ml
+++ b/helm/ocaml/tactics/proofEngineTypes.ml
@@ -56,11 +56,34 @@ type tactic = status -> proof * goal list
   (** creates an opaque tactic from a status->proof*goal list function *)
 let mk_tactic t = t
 
-type pattern = (string * Cic.term) list * Cic.term option
-let goal_pattern = [],None
+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
+
+let const_lazy_term t =
+  (fun _ metasenv ugraph -> t, metasenv, ugraph)
+
+type lazy_reduction =
+  Cic.context -> Cic.metasenv -> CicUniv.universe_graph ->
+    reduction * Cic.metasenv * CicUniv.universe_graph
+
+let const_lazy_reduction red =
+  (fun _ metasenv ugraph -> red, metasenv, ugraph)
+
+type pattern = lazy_term option * (string * Cic.term) list * Cic.term
+
+let conclusion_pattern t =
+  let t' = 
+    match t with
+    | None -> None
+    | Some t -> Some (fun _ m u -> t, m, u)
+  in
+  t',[],Cic.Implicit (Some `Hole)
 
   (** tactic failure *)
-exception Fail of string
+exception Fail of string Lazy.t
 
   (** 
     calls the opaque tactic on the status, restoring the original 
@@ -72,3 +95,6 @@ let apply_tactic t status =
   (** 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
+
+let goals_of_proof (_,metasenv,_,_) = List.map (fun (g,_,_) -> g) metasenv
+