From add3312f115db81c30b3e1405a5edcb5be8bbda0 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Mon, 6 Sep 1993 22:15:21 +0000 Subject: [PATCH] (tag-exact-match-p): Return true if TAG is the explicit tag name. --- lisp/progmodes/etags.el | 12 ++++++++---- 1 file changed, 8 insertions(+), 4 deletions(-) diff --git a/lisp/progmodes/etags.el b/lisp/progmodes/etags.el index 452d9adfd0d..93fa039c505 100644 --- a/lisp/progmodes/etags.el +++ b/lisp/progmodes/etags.el @@ -1070,10 +1070,14 @@ See documentation of variable `tags-file-name'." ;; t if point is at a tag line that matches TAG "exactly". ;; point should be just after a string that matches TAG. (defun tag-exact-match-p (tag) - (and (looking-at "\\Sw.*\177") (looking-at "\\S_.*\177") ;not a symbol char - (save-excursion - (backward-char (1+ (length tag))) - (and (looking-at "\\Sw") (looking-at "\\S_"))))) + ;; The match is really exact if there is an explicit tag name. + (or (looking-at (concat "[^\177]*\177" (regexp-quote tag) "\001")) + ;; We also call it "exact" if it is surrounded by symbol boundaries. + ;; This is needed because etags does not always generate explicit names. + (and (looking-at "\\Sw.*\177") (looking-at "\\S_.*\177") + (save-excursion + (backward-char (1+ (length tag))) + (and (looking-at "\\Sw") (looking-at "\\S_")))))) ;; t if point is at a tag line that matches TAG as a word. ;; point should be just after a string that matches TAG. -- 2.39.5