guix-devel/emacs/guix-guile.el

55 lines
1.8 KiB
EmacsLisp

;;; guix-guile.el --- Auxiliary tools for working with guile code -*- lexical-binding: t -*-
;; Copyright © 2015 Alex Kost <alezost@gmail.com>
;; 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 this program. If not, see <http://www.gnu.org/licenses/>.
;;; Commentary:
;; This file provides functions for parsing guile code, making guile
;; expressions, etc.
;;; Code:
(defun guix-guile-make-call-expression (proc &rest args)
"Return \"(PROC ARGS ...)\" string.
PROC and ARGS should be strings."
(format "(%s %s)"
proc
(mapconcat #'identity args " ")))
(defun guix-make-guile-expression (fun &rest args)
"Return string containing a guile expression for calling FUN with ARGS."
(format "(%S %s)" fun
(mapconcat
(lambda (arg)
(cond
((null arg) "'()")
((or (eq arg t)
;; An ugly hack to separate 'false' from nil.
(equal arg 'f)
(keywordp arg))
(concat "#" (prin1-to-string arg t)))
((or (symbolp arg) (listp arg))
(concat "'" (prin1-to-string arg)))
(t (prin1-to-string arg))))
args
" ")))
(provide 'guix-guile)
;;; guix-guile.el ends here