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bug#37611: [PATCH] Default FILE to the current buffer for list-tags
From: |
Hong Xu |
Subject: |
bug#37611: [PATCH] Default FILE to the current buffer for list-tags |
Date: |
Thu, 3 Oct 2019 19:05:08 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.9.0 |
* lisp/progmodes/etags.el (list-tags)
(tags--get-current-buffer-name-in-tags-file): Default FILE to the
current buffer for list-tags.
---
lisp/progmodes/etags.el | 18 +++++++++++++++---
1 file changed, 15 insertions(+), 3 deletions(-)
diff --git a/lisp/progmodes/etags.el b/lisp/progmodes/etags.el
index a03516100087..23acffcac299 100644
--- a/lisp/progmodes/etags.el
+++ b/lisp/progmodes/etags.el
@@ -1852,15 +1852,27 @@ tags-complete-tags-table-file
(all-completions string (tags-table-files) predicate)
(try-completion string (tags-table-files) predicate))))
+(defun tags--get-current-buffer-name-in-tags-file ()
+ "Get the file name that the current buffer corresponds in the tags file."
+ (let ((tag-dir
+ (save-excursion
+ (visit-tags-table-buffer)
+ (file-name-directory (buffer-file-name)))))
+ (when (string-prefix-p tag-dir (buffer-file-name))
+ (substring (buffer-file-name) (length tag-dir) nil))))
+
;;;###autoload
(defun list-tags (file &optional _next-match)
"Display list of tags in file FILE.
This searches only the first table in the list, and no included tables.
FILE should be as it appeared in the `etags' command, usually without a
directory specification."
- (interactive (list (completing-read "List tags in file: "
- 'tags-complete-tags-table-file
- nil t nil)))
+ (interactive (list (completing-read
+ "List tags in file: "
+ 'tags-complete-tags-table-file
+ nil t
+ ;; Default FILE to the current buffer.
+ (tags--get-current-buffer-name-in-tags-file))))
(with-output-to-temp-buffer "*Tags List*"
(princ (substitute-command-keys "Tags in file `"))
(tags-with-face 'highlight (princ file))
--
2.18.1
- bug#37611: [PATCH] Default FILE to the current buffer for list-tags,
Hong Xu <=