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(************************************************************************)
(* * The Coq Proof Assistant / The Coq Development Team *)
(* v * Copyright INRIA, CNRS and contributors *)
(* <O___,, * (see version control and CREDITS file for authors & dates) *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(* * (see LICENSE file for the text of the license) *)
(************************************************************************)
(** Reduction expressions *)
(** The parsing produces initially a list of [red_atom] *)
type 'a red_atom =
| FBeta
| FMatch
| FFix
| FCofix
| FZeta
| FConst of 'a list
| FDeltaBut of 'a list
| FHead
(** This list of atoms is immediately converted to a [glob_red_flag] *)
type strength = Norm | Head
(* someday we may add NotUnderBinders *)
type 'a glob_red_flag = {
rStrength : strength;
rBeta : bool;
rMatch : bool;
rFix : bool;
rCofix : bool;
rZeta : bool;
rDelta : bool; (** true = delta all but rConst; false = delta only on rConst*)
rConst : 'a list
}
(** Generic kinds of reductions *)
type ('b,'c,'occvar) red_context = ('occvar Locus.occurrences_gen * ('b,'c) Util.union) option
type ('a, 'b, 'c, 'occvar, 'flags) red_expr_gen0 =
| Red
| Hnf
| Simpl of 'flags * ('b, 'c, 'occvar) red_context
| Cbv of 'flags
| Cbn of 'flags
| Lazy of 'flags
| Unfold of ('occvar Locus.occurrences_gen * 'b) list
| Fold of 'a list
| Pattern of ('occvar Locus.occurrences_gen * 'a) list
| ExtraRedExpr of string
| CbvVm of ('b, 'c, 'occvar) red_context
| CbvNative of ('b, 'c, 'occvar) red_context
type ('a, 'b, 'c, 'occvar) red_expr_gen =
('a, 'b, 'c, 'occvar, 'b glob_red_flag) red_expr_gen0
type ('a,'b,'c,'occvar) may_eval =
| ConstrTerm of 'a
| ConstrEval of ('a,'b,'c,'occvar) red_expr_gen * 'a
| ConstrContext of Names.lident * 'a
| ConstrTypeOf of 'a
open Constrexpr
type r_trm = constr_expr
type r_pat = constr_pattern_expr
type r_cst = Libnames.qualid or_by_notation
type raw_red_expr = (r_trm, r_cst, r_pat, int Locus.or_var) red_expr_gen
type 'a and_short_name = 'a * Names.lident option
type g_trm = Genintern.glob_constr_and_expr
type g_pat = Genintern.glob_constr_pattern_and_expr
type g_cst = Evaluable.t and_short_name Locus.or_var
type glob_red_expr = (g_trm, g_cst, g_trm, int Locus.or_var) red_expr_gen
|
