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authorAlex Kost <alezost@gmail.com>2015-07-23 10:10:47 +0300
committerAlex Kost <alezost@gmail.com>2015-09-22 22:05:09 +0300
commitc74cd6cc12b495a8f4142bffbfe5634090f050f4 (patch)
tree3bd52a0cc7360ba61583b28bb687e8fae29316f7 /emacs/guix-guile.el
parentee1c4cbaf97927df4b353bd3ab35c96256eea01f (diff)
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emacs: Move guile related code to "guix-guile.el".
* emacs/guix-backend.el (guix-make-guile-expression): Move to... * emacs/guix-guile.el: ... here. New file. * emacs/guix-base.el: Use it. * emacs/guix-command.el: Use it. * emacs.am (ELFILES): Add it.
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+;;; 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-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