diff options
Diffstat (limited to 'lisp/progmodes/xref.el')
| -rw-r--r-- | lisp/progmodes/xref.el | 45 |
1 files changed, 37 insertions, 8 deletions
diff --git a/lisp/progmodes/xref.el b/lisp/progmodes/xref.el index abb2a93425d..3b449bf9b15 100644 --- a/lisp/progmodes/xref.el +++ b/lisp/progmodes/xref.el @@ -317,8 +317,12 @@ backward." ;;; Marker stack (M-. pushes, M-, pops) (defcustom xref-marker-ring-length 16 - "Length of the xref marker ring." - :type 'integer) + "Length of the xref marker ring. +If this variable is not set through Customize, you must call +`xref-set-marker-ring-length' for changes to take effect." + :type 'integer + :initialize #'custom-initialize-default + :set #'xref-set-marker-ring-length) (defcustom xref-prompt-for-identifier '(not xref-find-definitions xref-find-definitions-other-window @@ -354,6 +358,14 @@ elements is negated: these commands will NOT prompt." (defvar xref--marker-ring (make-ring xref-marker-ring-length) "Ring of markers to implement the marker stack.") +(defun xref-set-marker-ring-length (var val) + "Set `xref-marker-ring-length'. +VAR is the symbol `xref-marker-ring-length' and VAL is the new +value." + (set-default var val) + (if (ring-p xref--marker-ring) + (ring-resize xref--marker-ring val))) + (defun xref-push-marker-stack (&optional m) "Add point M (defaults to `point-marker') to the marker stack." (ring-insert xref--marker-ring (or m (point-marker)))) @@ -503,8 +515,9 @@ SELECT is `quit', also quit the *xref* window." (xref-buffer (current-buffer))) (cond (select (if (eq select 'quit) (quit-window nil nil)) - (with-current-buffer xref-buffer - (select-window (xref--show-pos-in-buf marker buf)))) + (select-window + (with-current-buffer xref-buffer + (xref--show-pos-in-buf marker buf)))) (t (save-selected-window (xref--with-dedicated-window @@ -541,9 +554,11 @@ SELECT is `quit', also quit the *xref* window." Non-interactively, non-nil QUIT means to first quit the *xref* buffer." (interactive) - (let ((xref (or (xref--item-at-point) + (let ((buffer (current-buffer)) + (xref (or (xref--item-at-point) (user-error "No reference at point")))) - (xref--show-location (xref-item-location xref) (if quit 'quit t)))) + (xref--show-location (xref-item-location xref) (if quit 'quit t)) + (next-error-found buffer (current-buffer)))) (defun xref-quit-and-goto-xref () "Quit *xref* buffer, then jump to xref on current line." @@ -876,6 +891,19 @@ is nil, prompt only if there's no usable symbol at point." (interactive (list (xref--read-identifier "Find references of: "))) (xref--find-xrefs identifier 'references identifier nil)) +;;;###autoload +(defun xref-find-definitions-at-mouse (event) + "Find the definition of identifier at or around mouse click. +This command is intended to be bound to a mouse event." + (interactive "e") + (let ((identifier + (save-excursion + (mouse-set-point event) + (xref-backend-identifier-at-point (xref-find-backend))))) + (if identifier + (xref-find-definitions identifier) + (user-error "No identifier here")))) + (declare-function apropos-parse-pattern "apropos" (pattern)) ;;;###autoload @@ -976,7 +1004,7 @@ IGNORES is a list of glob patterns." ;; do that reliably enough, without creating false negatives? (command (xref--rgrep-command (xref--regexp-to-extended regexp) files - (expand-file-name dir) + (file-local-name (expand-file-name dir)) ignores)) (def default-directory) (buf (get-buffer-create " *xref-grep*")) @@ -987,7 +1015,7 @@ IGNORES is a list of glob patterns." (erase-buffer) (setq default-directory def) (setq status - (call-process-shell-command command nil t)) + (process-file-shell-command command nil t)) (goto-char (point-min)) ;; Can't use the exit status: Grep exits with 1 to mean "no ;; matches found". Find exits with 1 if any of the invocations @@ -1089,6 +1117,7 @@ Such as the current syntax table and the applied syntax properties." (defun xref--collect-matches (hit regexp tmp-buffer) (pcase-let* ((`(,line ,file ,text) hit) + (file (and file (concat (file-remote-p default-directory) file))) (buf (xref--find-buffer-visiting file)) (syntax-needed (xref--regexp-syntax-dependent-p regexp))) (if buf |