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;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2017, 2020 Sergei Trofimovich <slyfox@inbox.ru>
;;; Copyright © 2021 Sergei Trofimovich <slyich@gmail.com>
;;; Copyright © 2018 Tobias Geerinckx-Rice <me@tobias.gr>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (gnu packages re2c)
#:use-module (guix licenses)
#:use-module (guix packages)
#:use-module (gnu packages python)
#:use-module (guix download)
#:use-module (guix build-system gnu))
(define-public re2c
(package
(name "re2c")
(version "2.2")
(source (origin
(method url-fetch)
(uri (string-append "https://github.com/skvadrik/" name
"/releases/download/" version "/"
name "-" version ".tar.xz"))
(sha256
(base32
"1nkbv3bxz1kwwql1pdlnj3lxy5h2vsaif393ivb5b9d8610mxi0g"))))
(build-system gnu-build-system)
(home-page "https://re2c.org/")
(native-inputs
`(("python" ,python))) ; for the test driver
(synopsis "Lexer generator for C/C++")
(description
"@code{re2c} generates minimalistic hard-coded state machine (as opposed
to full-featured table-based lexers). Flexible API allows generated code
to be wired into virtually any environment. Instead of exposing traditional
@code{yylex()} style API, re2c exposes its internals. Be sure to take a look
at examples, they cover a lot of real-world cases and shed some light on dark
corners of re2c API.")
(license public-domain)))
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