;;; cedet-global.el --- GNU Global support for CEDET.
-;; Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+;; Copyright (C) 2008-2012 Free Software Foundation, Inc.
;; Author: Eric M. Ludlam <eric@siege-engine.com>
+;; Package: cedet
;; This file is part of GNU Emacs.
(declare-function inversion-check-version "inversion")
(defvar cedet-global-min-version "5.0"
- "Minimum version of GNU global required.")
+ "Minimum version of GNU Global required.")
(defcustom cedet-global-command "global"
"Command name for the GNU Global executable."
:type 'string
:group 'cedet)
+(defcustom cedet-global-gtags-command "gtags"
+ "Command name for the GNU Global gtags executable.
+GTAGS is used to create the tags table queried by the 'global' command."
+ :type 'string
+ :group 'cedet)
+
;;; Code:
(defun cedet-gnu-global-search (searchtext texttype type scope)
"Perform a search with GNU Global, return the created buffer.
"Call GNU Global with the list of FLAGS."
(let ((b (get-buffer-create "*CEDET Global*"))
(cd default-directory))
- (save-excursion
- (set-buffer b)
+ (with-current-buffer b
(setq default-directory cd)
(erase-buffer))
(apply 'call-process cedet-global-command
flags)
b))
+(defun cedet-gnu-global-gtags-call (flags)
+ "Create GNU Global TAGS using gtags with FLAGS."
+ (let ((b (get-buffer-create "*CEDET Global gtags*"))
+ (cd default-directory)
+ )
+ (with-current-buffer b
+ (setq default-directory cd)
+ (erase-buffer))
+ (apply 'call-process cedet-global-gtags-command
+ nil b nil
+ flags)
+ b))
+
(defun cedet-gnu-global-expand-filename (filename)
"Expand the FILENAME with GNU Global.
Return a fully qualified filename."
(interactive "sFile: ")
- (let ((ans (save-excursion
- (set-buffer (cedet-gnu-global-call (list "-Pa" filename)))
+ (let ((ans (with-current-buffer (cedet-gnu-global-call (list "-Pa" filename))
(goto-char (point-min))
(if (looking-at "global: ")
(error "GNU Global not available")
(split-string (buffer-string) "\n" t)))))
- (when (interactive-p)
+ (when (called-interactively-p 'interactive)
(if ans
(if (= (length ans) 1)
(message "%s" (car ans))
If a default starting DIR is not specified, the current buffer's
`default-directory' is used."
(let ((default-directory (or dir default-directory)))
- (save-excursion
- (set-buffer (cedet-gnu-global-call (list "-pq")))
+ (with-current-buffer (cedet-gnu-global-call (list "-pq"))
(goto-char (point-min))
(when (not (eobp))
(file-name-as-directory
(defun cedet-gnu-global-version-check (&optional noerror)
"Check the version of the installed GNU Global command.
-If optional programatic argument NOERROR is non-nil, then
-instead of throwing an error if Global isn't available, then
+If optional programmatic argument NOERROR is non-nil,
+then instead of throwing an error if Global isn't available,
return nil."
(interactive)
(require 'inversion)
(rev nil))
(if (not b)
(progn
- (when (interactive-p)
+ (when (called-interactively-p 'interactive)
(message "GNU Global not found."))
nil)
- (save-excursion
- (set-buffer b)
+ (with-current-buffer b
(goto-char (point-min))
- (re-search-forward "GNU GLOBAL \\([0-9.]+\\)" nil t)
+ (re-search-forward "(?GNU GLOBAL)? \\([0-9.]+\\)" nil t)
(setq rev (match-string 1))
(if (inversion-check-version rev nil cedet-global-min-version)
(if noerror
(error "Version of GNU Global is %s. Need at least %s"
rev cedet-global-min-version))
;; Else, return TRUE, as in good enough.
- (when (interactive-p)
+ (when (called-interactively-p 'interactive)
(message "GNU Global %s - Good enough for CEDET." rev))
t)))))
"Scan all the hits from the GNU Global output BUFFER."
(let ((hits nil)
(r1 "^\\([^ ]+\\) +\\([0-9]+\\) \\([^ ]+\\) "))
- (save-excursion
- (set-buffer buffer)
+ (with-current-buffer buffer
(goto-char (point-min))
(while (re-search-forward r1 nil t)
(setq hits (cons (cons (string-to-number (match-string 2))
;; Return the results
(nreverse hits))))
+(defun cedet-gnu-global-create/update-database (&optional dir)
+ "Create a GNU Global database in DIR.
+If a database already exists, then just update it."
+ (interactive "DDirectory: ")
+ (let ((root (cedet-gnu-global-root dir)))
+ (if root (setq dir root))
+ (let ((default-directory dir))
+ (cedet-gnu-global-gtags-call
+ (when root
+ '("-i");; Incremental update flag.
+ )))))
+
(provide 'cedet-global)
;;; cedet-global.el ends here