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
+
+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
-(** the pattern for the whole goal *)
-val goal_pattern : pattern
+ (** 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
+