X-Git-Url: http://git.chise.org/gitweb/?a=blobdiff_plain;f=lisp%2Fetags.el;h=0c368cb9329f1c0d34fb5006f1f372644324d198;hb=79e5742714df117d8eb914604aa6947fccba38fa;hp=5edc1d46483e63cec3652b3bc2a4ca404f998e55;hpb=b267e52aa03bee2c488c8a78824d96cf2d9a6ccc;p=chise%2Fxemacs-chise.git.1

diff --git a/lisp/etags.el b/lisp/etags.el
index 5edc1d4..0c368cb 100644
--- a/lisp/etags.el
+++ b/lisp/etags.el
@@ -52,7 +52,7 @@
 ;; Kyle Jones <kyle_jones@wonderworks.com>
 ;;   added "Exact match, then inexact" code
 ;;   added support for include directive.
-;; Hrvoje Niksic <hniksic@srce.hr>
+;; Hrvoje Niksic <hniksic@xemacs.org>
 ;;   various changes.
 
 
@@ -190,9 +190,12 @@ the current buffer."
       (when (file-readable-p parent-tag-file)
 	(push parent-tag-file result)))
     ;; tag-table-alist
-    (let ((key (or buffer-file-name
-		   (concat default-directory (buffer-name))))
-	  expression)
+    (let* ((key (or buffer-file-name
+		    (concat default-directory (buffer-name))))
+	   (key (if (eq system-type 'windows-nt)
+		    (replace-in-string key "\\\\" "/")
+		  key))
+	   expression)
       (dolist (item tag-table-alist)
 	(setq expression (car item))
 	;; If the car of the alist item is a string, apply it as a regexp
@@ -405,7 +408,7 @@ File name returned is relative to tag table file's directory."
 (defun buffer-tag-table-files ()
   "Returns a list of all files referenced by all TAGS tables that 
 this buffer uses."
-  (apply #'nconc
+  (apply #'append
 	 (mapcar #'tag-table-files (buffer-tag-table-list))))
 
 
@@ -502,6 +505,7 @@ this buffer uses."
 			    ((string-match "\\.scm\\'" filename)
 			     'scheme-mode)
 			    (t nil)))
+      (defvar c-mode-syntax-table)
       (set-syntax-table (cond ((and (eq file-type 'c-mode)
 				    c-mode-syntax-table)
 			       c-mode-syntax-table)
@@ -554,7 +558,7 @@ Make it buffer-local in a mode hook.  The function is called with no
  arguments.")
 
 (defvar find-tag-hook nil
-  "Function to call after a tag is found.
+  "*Function to call after a tag is found.
 Make it buffer-local in a mode hook.  The function is called with no
  arguments.")
 
@@ -598,11 +602,8 @@ Make it buffer-local in a mode hook.  The function is called with no
 	       (format "%s(default %s) " prompt default)
 	     prompt)
 	   tag-completion-table 'tag-completion-predicate nil nil
-	   'find-tag-history))
-    (if (string-equal tag-name "")
-	;; #### - This is a really LAME way of doing it!  --Stig
-	default			;indicate exact symbol match
-      tag-name)))
+	   'find-tag-history default))
+    tag-name))
 
 (defvar last-tag-data nil
   "Information for continuing a tag search.
@@ -641,7 +642,7 @@ If it returns non-nil, this file needs processing by evalling
 	  (t
 	   (setq tag-table-currently-matching-exact t)))
     ;; \_ in the tagname is used to indicate a symbol boundary.
-    (setq exact-tagname (concat "\\_" tagname "\\_"))
+    (setq exact-tagname (format "\C-?\\_%s\\_\C-a\\|\\_%s\\_" tagname tagname))
     (while (string-match "\\\\_" exact-tagname)
       (aset exact-tagname (1- (match-end 0)) ?b))
     (save-excursion
@@ -674,7 +675,9 @@ If it returns non-nil, this file needs processing by evalling
 		;; tag searches?
 		(while (re-search-forward tag-target nil t)
 		  (and (save-match-data
-			 (looking-at "[^\n\C-?]*\C-?"))
+			 (save-excursion
+			   (goto-char (match-beginning 0))
+			   (looking-at "[^\n\C-?]*\C-?")))
 		       ;; If we're looking for inexact matches, skip
 		       ;; exact matches since we've visited them
 		       ;; already.
@@ -693,6 +696,7 @@ If it returns non-nil, this file needs processing by evalling
 	       (if next "more " "")
 	       (if exact "matching" "containing")
 	       tagname))
+      (beginning-of-line)
       (search-forward "\C-?")
       (setq file (expand-file-name (file-of-tag)
 				   ;; In XEmacs, this needs to be
@@ -735,6 +739,16 @@ If it returns non-nil, this file needs processing by evalling
       (cons buf startpos))))
 
 ;;;###autoload
+(defun find-tag-at-point (tagname &optional other-window)
+  "*Find tag whose name contains TAGNAME.
+Identical to `find-tag' but does not prompt for tag when called interactively;
+instead, uses tag around or before point."
+  (interactive (if current-prefix-arg
+		   '(nil nil)
+		 (list (find-tag-default) nil)))
+  (find-tag tagname other-window))
+
+;;;###autoload
 (defun find-tag (tagname &optional other-window)
   "*Find tag whose name contains TAGNAME.
  Selects the buffer that the tag is contained in
@@ -747,7 +761,8 @@ in the tag table that matches the tagname used in the previous find-tag.
 the tag.
 
 This version of this function supports multiple active tags tables,
-and completion.
+and completion. See also the commands `\\[push-tag-mark]' and
+`\\[pop-tag-mark]'.
 
 Variables of note:
 
@@ -771,23 +786,23 @@ Variables of note:
 		       '(find-tag find-tag-other-window tags-loop-continue))))
 	(push-tag-mark))
     (if other-window
-	(pop-to-buffer tag-buf)
+	(pop-to-buffer tag-buf t)
       (switch-to-buffer tag-buf))
     (widen)
     (push-mark)
     (goto-char tag-point)
     (if find-tag-hook
-	(funcall find-tag-hook)
+		(run-hooks 'find-tag-hook)
       (if local-find-tag-hook
-	  (funcall local-find-tag-hook))))
+		  (run-hooks 'local-find-tag-hook))))
   (setq tags-loop-scan (list 'find-tag nil nil)
-	tags-loop-operate nil)
+		tags-loop-operate nil)
   ;; Return t in case used as the tags-loop-scan.
   t)
 
 ;;;###autoload
 (defun find-tag-other-window (tagname &optional next)
-  "*Find tag whose name contains TAGNAME.
+  "*Find tag whose name contains TAGNAME, in another window.
  Selects the buffer that the tag is contained in in another window
 and puts point at its definition.
  If TAGNAME is a null string, the expression in the buffer
@@ -1064,7 +1079,7 @@ See documentation of variable `tag-table-alist'."
 
 ;; Sample uses of find-tag-hook and find-tag-default-hook
 
-;; This is wrong.  We should either make this behaviour default and
+;; This is wrong.  We should either make this behavior default and
 ;; back it up, or not use it at all.  For now, I've commented it out.
 ;; --hniksic
 
@@ -1156,7 +1171,7 @@ If this is a C-defined elisp function, it does something more clever."
 (defcustom tag-mark-stack-max 16
   "*The maximum number of elements kept on the mark-stack used
 by tags-search.  See also the commands `\\[push-tag-mark]' and
-and `\\[pop-tag-mark]'."
+`\\[pop-tag-mark]'."
   :type 'integer
   :group 'etags)
 
@@ -1189,6 +1204,7 @@ and `\\[pop-tag-mark]'."
 
 ;;;###autoload (define-key esc-map "*" 'pop-tag-mark)
 
+;;;###autoload
 (defun pop-tag-mark (arg)
   "Go to last tag position.
 `find-tag' maintains a mark-stack seperate from the \\[set-mark-command] mark-stack.
@@ -1203,3 +1219,5 @@ This function pops (and moves to) the tag at the top of this stack."
 
 (provide 'etags)
 (provide 'tags)
+
+;;; etags.el ends here