80 lines
3.1 KiB
EmacsLisp
80 lines
3.1 KiB
EmacsLisp
|
;;; use-package-jump.el --- Attempt to jump to a use-package declaration -*- lexical-binding: t; -*-
|
||
|
|
|
||
|
|
;; Copyright (C) 2012-2017 John Wiegley
|
||
|
|
|
||
|
|
;; Author: John Wiegley <johnw@newartisans.com>
|
||
|
|
;; Maintainer: John Wiegley <johnw@newartisans.com>
|
||
|
|
;; Created: 17 Jun 2012
|
||
|
|
;; Modified: 3 Dec 2017
|
||
|
|
;; Version: 1.0
|
||
|
|
;; Package-Requires: ((emacs "24.3") (use-package "2.4"))
|
||
|
|
;; Keywords: dotemacs startup speed config package
|
||
|
|
;; URL: https://github.com/jwiegley/use-package
|
||
|
|
|
||
|
|
;; This program 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, or (at
|
||
|
|
;; your option) any later version.
|
||
|
|
|
||
|
|
;; This program 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 Emacs; see the file COPYING. If not, write to the
|
||
|
|
;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
||
|
|
;; Boston, MA 02111-1307, USA.
|
||
|
|
|
||
|
|
;;; Commentary:
|
||
|
|
|
||
|
|
;; Provides the command `M-x use-package-jump-to-package-form', however it
|
||
|
|
;; only works if the package being jumped to was required during
|
||
|
|
;; initialization. If it was delay-loaded, it will not work. Improvements are
|
||
|
|
;; needed.
|
||
|
|
|
||
|
|
;;; Code:
|
||
|
|
|
||
|
|
(require 'use-package-core)
|
||
|
|
|
||
|
|
(defun use-package-find-require (package)
|
||
|
|
"Find file that required PACKAGE by searching `load-history'.
|
||
|
|
Returns an absolute file path or nil if none is found."
|
||
|
|
(catch 'suspect
|
||
|
|
(dolist (filespec load-history)
|
||
|
|
(dolist (entry (cdr filespec))
|
||
|
|
(when (equal entry (cons 'require package))
|
||
|
|
(throw 'suspect (car filespec)))))))
|
||
|
|
|
||
|
|
;;;###autoload
|
||
|
|
(defun use-package-jump-to-package-form (package)
|
||
|
|
"Attempt to find and jump to the `use-package' form that loaded
|
||
|
|
PACKAGE. This will only find the form if that form actually
|
||
|
|
required PACKAGE. If PACKAGE was previously required then this
|
||
|
|
function will jump to the file that originally required PACKAGE
|
||
|
|
instead."
|
||
|
|
(interactive (list (completing-read "Package: " features)))
|
||
|
|
(let* ((package (if (stringp package) (intern package) package))
|
||
|
|
(requiring-file (use-package-find-require package))
|
||
|
|
file location)
|
||
|
|
(if (null requiring-file)
|
||
|
|
(user-error "Can't find file requiring file; may have been autoloaded")
|
||
|
|
(setq file (if (string= (file-name-extension requiring-file) "elc")
|
||
|
|
(concat (file-name-sans-extension requiring-file) ".el")
|
||
|
|
requiring-file))
|
||
|
|
(when (file-exists-p file)
|
||
|
|
(find-file-other-window file)
|
||
|
|
(save-excursion
|
||
|
|
(goto-char (point-min))
|
||
|
|
(setq location
|
||
|
|
(re-search-forward
|
||
|
|
(format (eval use-package-form-regexp-eval) package) nil t)))
|
||
|
|
(if (null location)
|
||
|
|
(message "No use-package form found.")
|
||
|
|
(goto-char location)
|
||
|
|
(beginning-of-line))))))
|
||
|
|
|
||
|
|
(provide 'use-package-jump)
|
||
|
|
|
||
|
|
;;; use-package-jump.el ends here
|