* http://cs.unibo.it/helm/.
*)
-
val id_tac : ProofEngineTypes.tactic
+val fail_tac: ProofEngineTypes.tactic
+
+module type Status =
+ sig
+ type input_status
+ type output_status
+ type tactic
+ val id_tac : tactic
+ val mk_tactic : (input_status -> output_status) -> tactic
+ val apply_tactic : tactic -> input_status -> output_status
+ val goals : output_status -> ProofEngineTypes.goal list
+ val set_goals: output_status -> ProofEngineTypes.goal list -> output_status
+ val focus : output_status -> ProofEngineTypes.goal -> input_status
+ end
- (* tacticals *)
-val try_tactics:
- tactics: (string * ProofEngineTypes.tactic) list -> ProofEngineTypes.tactic
+module type T =
+ sig
+ type tactic
-val thens:
- start: ProofEngineTypes.tactic ->
- continuations: ProofEngineTypes.tactic list -> ProofEngineTypes.tactic
+ val first: tactics: (string * tactic) list -> tactic
-val then_:
- start: ProofEngineTypes.tactic ->
- continuation: ProofEngineTypes.tactic -> ProofEngineTypes.tactic
+ val thens: start: tactic -> continuations: tactic list -> tactic
+ val then_: start: tactic -> continuation: tactic -> tactic
-val repeat_tactic:
- tactic: ProofEngineTypes.tactic -> ProofEngineTypes.tactic
+ (** "folding" of then_ *)
+ val seq: tactics: tactic list -> tactic
-val do_tactic:
- n: int ->
- tactic: ProofEngineTypes.tactic -> ProofEngineTypes.tactic
+ val repeat_tactic: tactic: tactic -> tactic
-val try_tactic:
- tactic: ProofEngineTypes.tactic -> ProofEngineTypes.tactic
+ val do_tactic: n: int -> tactic: tactic -> tactic
-val solve_tactics:
- tactics: (string * ProofEngineTypes.tactic) list -> ProofEngineTypes.tactic
+ val try_tactic: tactic: tactic -> tactic
+ val solve_tactics: tactics: (string * tactic) list -> tactic
+ end
+module Make (S:Status) : T with type tactic = S.tactic
-(*
-val prova_tac : ProofEngineTypes.tactic
-*)
+include T with type tactic = ProofEngineTypes.tactic