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|
(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2012 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
(** Reduction expressions *)
(** The parsing produces initially a list of [red_atom] *)
type 'a red_atom =
| FBeta
| FIota
| FZeta
| FConst of 'a list
| FDeltaBut of 'a list
(** This list of atoms is immediately converted to a [glob_red_flag] *)
type 'a glob_red_flag = {
rBeta : bool;
rIota : bool;
rZeta : bool;
rDelta : bool; (** true = delta all but rConst; false = delta only on rConst*)
rConst : 'a list
}
(** Generic kinds of reductions *)
type ('a,'b,'c) red_expr_gen =
| Red of bool
| Hnf
| Simpl of 'c Locus.with_occurrences option
| Cbv of 'b glob_red_flag
| Lazy of 'b glob_red_flag
| Unfold of 'b Locus.with_occurrences list
| Fold of 'a list
| Pattern of 'a Locus.with_occurrences list
| ExtraRedExpr of string
| CbvVm of 'c Locus.with_occurrences option
type ('a,'b,'c) may_eval =
| ConstrTerm of 'a
| ConstrEval of ('a,'b,'c) red_expr_gen * 'a
| ConstrContext of (Loc.t * Names.identifier) * 'a
| ConstrTypeOf of 'a
|
