; NREV - A "safe" implementation of something like nreverse
; Copyright (C) 2014 Centaur Technology
;
; Contact:
;   Centaur Technology Formal Verification Group
;   7600-C N. Capital of Texas Highway, Suite 300, Austin, TX 78731, USA.
;   http://www.centtech.com/
;
; License: (An MIT/X11-style license)
;
;   Permission is hereby granted, free of charge, to any person obtaining a
;   copy of this software and associated documentation files (the "Software"),
;   to deal in the Software without restriction, including without limitation
;   the rights to use, copy, modify, merge, publish, distribute, sublicense,
;   and/or sell copies of the Software, and to permit persons to whom the
;   Software is furnished to do so, subject to the following conditions:
;
;   The above copyright notice and this permission notice shall be included in
;   all copies or substantial portions of the Software.
;
;   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
;   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
;   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
;   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
;   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
;   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
;   DEALINGS IN THE SOFTWARE.
;
; Original authors: Jared Davis <jared@centtech.com>
;                   Sol Swords <sswords@centtech.com>

(in-package "ACL2")
(include-book "std/portcullis" :dir :system)

(defpkg "NREV"
  (append '(list-fix
            rev
            rcons
            b*
            assert!
            defxdoc
            defsection
            defabsstobj-events
            include-raw
            define
            defconsts
            ;; Thing we want to "export"
            nrev
            nrev2
            nrev-fix
            nrev-copy
            nrev-finish
            nrev-push
            nrev-append
            with-local-nrev)
          acl2::*standard-acl2-imports*))

#!NREV
(defconst *nrev-exports*
  '(nrev
    nrev2
    nrev-fix
    nrev-copy
    nrev-finish
    nrev-push
    nrev-append
    with-local-nrev))
