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(************************************************************************)
(* v * The Coq Proof Assistant / The Coq Development Team *)
(* <O___,, * INRIA - CNRS - LIX - LRI - PPS - Copyright 1999-2015 *)
(* \VV/ **************************************************************)
(* // * This file is distributed under the terms of the *)
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
open Util
open Misctypes
open Genredexpr
(** Mapping [cast_type] *)
let map_cast_type f = function
| CastConv a -> CastConv (f a)
| CastVM a -> CastVM (f a)
| CastCoerce -> CastCoerce
| CastNative a -> CastNative (f a)
let smartmap_cast_type f c =
match c with
| CastConv a -> let a' = f a in if a' == a then c else CastConv a'
| CastVM a -> let a' = f a in if a' == a then c else CastVM a'
| CastCoerce -> CastCoerce
| CastNative a -> let a' = f a in if a' == a then c else CastNative a'
(** Equalities on [glob_sort] *)
let glob_sort_eq g1 g2 = match g1, g2 with
| GProp, GProp -> true
| GSet, GSet -> true
| GType l1, GType l2 -> List.for_all2 CString.equal l1 l2
| _ -> false
let intro_pattern_naming_eq nam1 nam2 = match nam1, nam2 with
| IntroAnonymous, IntroAnonymous -> true
| IntroIdentifier id1, IntroIdentifier id2 -> Names.Id.equal id1 id2
| IntroFresh id1, IntroFresh id2 -> Names.Id.equal id1 id2
| _ -> false
(** Mapping [red_expr_gen] *)
let map_flags f flags =
{ flags with rConst = List.map f flags.rConst }
let map_occs f (occ,e) = (occ,f e)
let map_red_expr_gen f g h = function
| Fold l -> Fold (List.map f l)
| Pattern occs_l -> Pattern (List.map (map_occs f) occs_l)
| Simpl (flags,occs_o) ->
Simpl (map_flags g flags, Option.map (map_occs (map_union g h)) occs_o)
| Unfold occs_l -> Unfold (List.map (map_occs g) occs_l)
| Cbv flags -> Cbv (map_flags g flags)
| Lazy flags -> Lazy (map_flags g flags)
| CbvVm occs_o -> CbvVm (Option.map (map_occs (map_union g h)) occs_o)
| CbvNative occs_o -> CbvNative (Option.map (map_occs (map_union g h)) occs_o)
| Cbn flags -> Cbn (map_flags g flags)
| ExtraRedExpr _ | Red _ | Hnf as x -> x
|
