emacs/lisp/cedet/ede/util.el

100 lines
3.5 KiB
EmacsLisp

;;; ede/util.el --- EDE utilities -*- lexical-binding: t; -*-
;; Copyright (C) 2000, 2005, 2009-2024 Free Software Foundation, Inc.
;; Author: Eric M. Ludlam <zappo@gnu.org>
;; Keywords: project, make
;; This file is part of GNU Emacs.
;; GNU Emacs 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 Emacs 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. If not, see <https://www.gnu.org/licenses/>.
;;; Commentary:
;;
;; Utilities that may not require project specific help, and operate
;; on generic EDE structures. Provide user level commands for activities
;; not directly related to source code organization or makefile generation.
(require 'ede)
;;; Code:
;;; Updating the version of a project.
;;;###autoload
(defun ede-update-version (newversion)
"Update the current projects main version number.
Argument NEWVERSION is the version number to use in the current project."
(interactive (list (let* ((o (ede-toplevel))
(v (oref o version)))
(read-string (format "Update Version (was %s): " v)
v nil v))))
(let ((ede-object (ede-toplevel)))
;; Don't update anything if there was no change.
(unless (string= (oref ede-object version) newversion)
(oset ede-object version newversion)
(project-update-version ede-object)
(ede-update-version-in-source ede-object newversion))))
(cl-defmethod project-update-version ((ot ede-project))
"The :version of the project OT has been updated.
Handle saving, or other detail."
(error "project-update-version not supported by %s" (eieio-object-name ot)))
(cl-defmethod ede-update-version-in-source ((this ede-project) version)
"Change occurrences of a version string in sources.
In project THIS, cycle over all targets to give them a chance to set
their sources to VERSION."
(ede-map-targets this (lambda (targ)
(ede-update-version-in-source targ version))))
(cl-defmethod ede-update-version-in-source ((this ede-target) version)
"In sources for THIS, change version numbers to VERSION."
(if (and (slot-boundp this 'versionsource)
(oref this versionsource))
(let ((vs (oref this versionsource)))
(while vs
(with-current-buffer (find-file-noselect
(ede-expand-filename this (car vs)))
(goto-char (point-min))
(let ((case-fold-search t))
(if (re-search-forward "version:\\s-*\\([^ \t\n]+\\)" nil t)
(progn
(save-match-data
(ede-make-buffer-writable))
(delete-region (match-beginning 1)
(match-end 1))
(goto-char (match-beginning 1))
(insert version)))))
(setq vs (cdr vs))))))
;;; Writable files
;;
;; Utils for EDE when it needs to write a file that could be covered by a
;; version control system.
(defun ede-make-buffer-writable (&optional buffer)
"Make sure that BUFFER is writable.
If BUFFER isn't specified, use the current buffer."
(save-excursion
(if buffer (set-buffer buffer))
(setq buffer-read-only nil)))
(provide 'ede/util)
;; Local variables:
;; generated-autoload-file: "loaddefs.el"
;; generated-autoload-load-name: "ede/util"
;; End:
;;; ede/util.el ends here