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(***********************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA-Rocquencourt & LRI-CNRS-Orsay *)
(* \VV/ *************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(***********************************************************************)
(*i $Id$ i*)
(*i*)
open Names
open Term
open Environ
open Evd
open Reductionops
open Closure
(*i*)
(*s Reduction functions associated to tactics. \label{tacred} *)
exception Redelimination
(* Red (raise Redelimination if nothing reducible) *)
val red_product : 'a reduction_function
(* Hnf *)
val hnf_constr : 'a reduction_function
(* Simpl *)
val nf : 'a reduction_function
(* Unfold *)
val unfoldn :
(int list * evaluable_global_reference) list -> 'a reduction_function
(* Fold *)
val fold_commands : constr list -> 'a reduction_function
(* Pattern *)
val pattern_occs : (int list * constr * constr) list -> 'a reduction_function
(* Rem: Lazy strategies are defined in Reduction *)
(* Call by value strategy (uses Closures) *)
val cbv_norm_flags : Closure.flags -> 'a reduction_function
val cbv_beta : local_reduction_function
val cbv_betaiota : local_reduction_function
val cbv_betadeltaiota : 'a reduction_function
val compute : 'a reduction_function (* = [cbv_betadeltaiota] *)
(* [reduce_to_atomic_ind env sigma t] puts [t] in the form [t'=(I args)]
with [I] an inductive definition;
returns [I] and [t'] or fails with a user error *)
val reduce_to_atomic_ind : env -> 'a evar_map -> types -> inductive * types
(* [reduce_to_quantified_ind env sigma t] puts [t] in the form
[t'=(x1:A1)..(xn:An)(I args)] with [I] an inductive definition;
returns [I] and [t'] or fails with a user error *)
val reduce_to_quantified_ind : env -> 'a evar_map -> types -> inductive * types
type red_expr =
| Red of bool (* raise Redelimination if true otherwise UserError *)
| Hnf
| Simpl
| Cbv of Closure.flags
| Lazy of Closure.flags
| Unfold of (int list * evaluable_global_reference) list
| Fold of constr list
| Pattern of (int list * constr * constr) list
val reduction_of_redexp : red_expr -> 'a reduction_function
|