mirror of
https://git.in.rschanz.org/ryan77627/guix.git
synced 2024-12-26 22:38:07 -05:00
e81a89d176
* emacs/guix-location.el (guix-find-location): Make interactive. Adjust to handle "reduced" locations (without line and column numbers).
79 lines
2.5 KiB
EmacsLisp
79 lines
2.5 KiB
EmacsLisp
;;; guix-location.el --- Package locations
|
|
|
|
;; Copyright © 2016 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 Location as published by
|
|
;; the Free Software Foundation, either version 3 of the Location, 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 Location for more details.
|
|
|
|
;; You should have received a copy of the GNU General Public Location
|
|
;; along with this program. If not, see <http://www.gnu.org/locations/>.
|
|
|
|
;;; Commentary:
|
|
|
|
;; This file provides the code to work with locations of Guix packages.
|
|
|
|
;;; Code:
|
|
|
|
(require 'cl-lib)
|
|
(require 'guix-backend)
|
|
(require 'guix-read)
|
|
(require 'guix-guile)
|
|
|
|
(defun guix-package-location (id-or-name)
|
|
"Return location of a package with ID-OR-NAME.
|
|
For the meaning of location, see `guix-find-location'."
|
|
(guix-eval-read (guix-make-guile-expression
|
|
'package-location-string id-or-name)))
|
|
|
|
;;;###autoload
|
|
(defun guix-find-location (location &optional directory)
|
|
"Go to LOCATION of a package.
|
|
LOCATION is a string of the form:
|
|
|
|
\"FILE:LINE:COLUMN\"
|
|
|
|
If FILE is relative, it is considered to be relative to
|
|
DIRECTORY (`guix-directory' by default).
|
|
|
|
Interactively, prompt for LOCATION. With prefix argument, prompt
|
|
for DIRECTORY as well."
|
|
(interactive
|
|
(list (guix-read-package-location)
|
|
(guix-read-directory)))
|
|
(cl-multiple-value-bind (file line column)
|
|
(split-string location ":")
|
|
(find-file (expand-file-name file (or directory guix-directory)))
|
|
(when (and line column)
|
|
(let ((line (string-to-number line))
|
|
(column (string-to-number column)))
|
|
(goto-char (point-min))
|
|
(forward-line (- line 1))
|
|
(move-to-column column)
|
|
(recenter 1)))))
|
|
|
|
;;;###autoload
|
|
(defun guix-edit (id-or-name &optional directory)
|
|
"Edit (go to location of) package with ID-OR-NAME.
|
|
See `guix-find-location' for the meaning of package location and
|
|
DIRECTORY.
|
|
Interactively, with prefix argument, prompt for DIRECTORY."
|
|
(interactive
|
|
(list (guix-read-package-name)
|
|
(guix-read-directory)))
|
|
(let ((loc (guix-package-location id-or-name)))
|
|
(if loc
|
|
(guix-find-location loc directory)
|
|
(message "Couldn't find package location."))))
|
|
|
|
(provide 'guix-location)
|
|
|
|
;;; guix-location.el ends here
|