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+;;; GNU Guix --- Functional package management for GNU
+;;; Copyright © 2019 John Soo <jsoo1@asu.edu>
+;;;
+;;; 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 cedille)
+ #:use-module (gnu packages)
+ #:use-module (gnu packages agda)
+ #:use-module (gnu packages emacs-xyz)
+ #:use-module (gnu packages haskell)
+ #:use-module (gnu packages haskell-xyz)
+ #:use-module (guix build-system emacs)
+ #:use-module (guix git-download)
+ #:use-module ((guix licenses) #:prefix license:)
+ #:use-module (guix packages))
+
+(define-public cedille
+ (package
+ (name "cedille")
+ (version "1.1.1")
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/cedille/cedille")
+ (commit (string-append "v" version))))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32
+ "07kv9wncyipfjf5w4ax8h2p35g70zb1qw6zc4afd7c225xia55wp"))))
+ (inputs
+ `(("agda" ,agda)
+ ("agda-ial" ,agda-ial)
+ ("ghc" ,ghc-8.4)
+ ("ghc-alex" ,ghc-alex)
+ ("ghc-happy" ,ghc-happy)))
+ (build-system emacs-build-system)
+ (arguments
+ `(#:phases
+ (modify-phases %standard-phases
+ (add-after 'unpack 'patch-cedille-path-el
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let ((out (assoc-ref outputs "out")))
+ (substitute* "cedille-mode.el"
+ (("/usr/share/emacs/site-lisp/cedille-mode")
+ (string-append
+ out "/share/emacs/site-lisp/guix.d/cedille-"
+ ,version)))
+ #t)))
+ (add-after 'unpack 'copy-cedille-mode
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (lisp
+ (string-append
+ out "/share/emacs/site-lisp/guix.d/cedille-"
+ ,version "/")))
+ (mkdir-p (string-append lisp "cedille-mode"))
+ (copy-recursively
+ "cedille-mode"
+ (string-append lisp "cedille-mode"))
+ (mkdir-p (string-append lisp "se-mode"))
+ (copy-recursively
+ "se-mode"
+ (string-append lisp "se-mode"))
+ #t)))
+ ;; FIXME: Byte compilation fails
+ (delete 'build)
+ (replace 'check
+ (lambda _
+ (with-directory-excursion "cedille-tests"
+ (invoke "sh" "run-tests.sh"))))
+ (add-after 'unpack 'patch-libraries
+ (lambda _ (patch-shebang "create-libraries.sh") #t))
+ (add-after 'unpack 'copy-ial
+ (lambda* (#:key inputs #:allow-other-keys)
+ (copy-recursively
+ (string-append (assoc-ref inputs "agda-ial")
+ "/include/agda/ial")
+ "ial")
+ ;; Ambiguous module if main is included from ial
+ (delete-file "ial/main.agda")
+ #t))
+ (add-after 'check 'build-cedille
+ ;; Agda has a hard time with parallel compilation
+ (lambda _
+ (invoke "touch" "src/Templates.hs")
+ (make-file-writable "src/Templates.hs")
+ (invoke "touch" "src/templates.agda")
+ (make-file-writable "src/templates.agda")
+ (invoke "make" "--jobs=1")))
+ (add-after 'install 'install-cedille
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let ((out (assoc-ref outputs "out")))
+ (copy-recursively
+ "lib" (string-append out "/lib/cedille"))
+ (install-file "cedille" (string-append out "/bin"))
+ (install-file "core/cedille-core"
+ (string-append out "/bin"))
+ #t))))))
+ (home-page "https://cedille.github.io/")
+ (synopsis
+ "Language based on Calculus of Dependent Lambda Eliminations")
+ (description
+ "Cedille is an interactive theorem-prover and dependently typed
+programming language, based on extrinsic (aka Curry-style) type theory. This
+makes it rather different from type theories like Coq and Agda, which are
+intrinsic (aka Church-style). In Cedille, terms are nothing more than
+annotated versions of terms of pure untyped lambda calculus. In contrast, in
+Coq or Agda, the typing annotations are intrinsic parts of terms. The typing
+annotations can only be erased as an optimization under certain conditions,
+not by virtue of the definition of the type theory.")
+ (license license:expat)))