diff options
Diffstat (limited to 'lisp/emacs-lisp/lisp.el')
| -rw-r--r-- | lisp/emacs-lisp/lisp.el | 94 |
1 files changed, 60 insertions, 34 deletions
diff --git a/lisp/emacs-lisp/lisp.el b/lisp/emacs-lisp/lisp.el index 5703f1ee190..d0d1520a677 100644 --- a/lisp/emacs-lisp/lisp.el +++ b/lisp/emacs-lisp/lisp.el @@ -5,6 +5,7 @@ ;; Maintainer: FSF ;; Keywords: lisp, languages +;; Package: emacs ;; This file is part of GNU Emacs. @@ -140,9 +141,19 @@ A negative argument means move backward but still to a less deep spot. This command assumes point is not in a string or comment." (interactive "^p") (or arg (setq arg 1)) - (let ((inc (if (> arg 0) 1 -1))) + (let ((inc (if (> arg 0) 1 -1)) + pos) (while (/= arg 0) - (goto-char (or (scan-lists (point) inc 1) (buffer-end arg))) + (if (null forward-sexp-function) + (goto-char (or (scan-lists (point) inc 1) (buffer-end arg))) + (condition-case err + (while (progn (setq pos (point)) + (forward-sexp inc) + (/= (point) pos))) + (scan-error (goto-char (nth 2 err)))) + (if (= (point) pos) + (signal 'scan-error + (list "Unbalanced parentheses" (point) (point))))) (setq arg (- arg inc))))) (defun kill-sexp (&optional arg) @@ -624,45 +635,60 @@ considered." (interactive) (let* ((data (lisp-completion-at-point predicate)) (plist (nthcdr 3 data))) - (let ((completion-annotate-function (plist-get plist :annotate-function))) + (if (null data) + (minibuffer-message "Nothing to complete") + (let ((completion-annotate-function + (plist-get plist :annotate-function))) (completion-in-region (nth 0 data) (nth 1 data) (nth 2 data) - (plist-get plist :predicate))))) + (plist-get plist :predicate)))))) (defun lisp-completion-at-point (&optional predicate) "Function used for `completion-at-point-functions' in `emacs-lisp-mode'." ;; FIXME: the `end' could be after point? (with-syntax-table emacs-lisp-mode-syntax-table - (let* ((end (point)) - (beg (save-excursion - (backward-sexp 1) - (while (= (char-syntax (following-char)) ?\') - (forward-char 1)) - (point))) - (predicate - (or predicate - (save-excursion - (goto-char beg) - (if (not (eq (char-before) ?\()) - (lambda (sym) ;why not just nil ? -sm - (or (boundp sym) (fboundp sym) - (symbol-plist sym))) - ;; Looks like a funcall position. Let's double check. - (if (condition-case nil - (progn (up-list -2) (forward-char 1) - (eq (char-after) ?\()) - (error nil)) - ;; If the first element of the parent list is an open - ;; paren we are probably not in a funcall position. - ;; Maybe a `let' varlist or something. - nil - ;; Else, we assume that a function name is expected. - 'fboundp)))))) - (list beg end obarray - :predicate predicate - :annotate-function - (unless (eq predicate 'fboundp) - (lambda (str) (if (fboundp (intern-soft str)) " <f>"))))))) + (let* ((pos (point)) + (beg (condition-case nil + (save-excursion + (backward-sexp 1) + (skip-syntax-forward "'") + (point)) + (scan-error pos))) + (predicate + (or predicate + (save-excursion + (goto-char beg) + (if (not (eq (char-before) ?\()) + (lambda (sym) ;why not just nil ? -sm + (or (boundp sym) (fboundp sym) + (symbol-plist sym))) + ;; Looks like a funcall position. Let's double check. + (if (condition-case nil + (progn (up-list -2) (forward-char 1) + (eq (char-after) ?\()) + (error nil)) + ;; If the first element of the parent list is an open + ;; paren we are probably not in a funcall position. + ;; Maybe a `let' varlist or something. + nil + ;; Else, we assume that a function name is expected. + 'fboundp))))) + (end + (unless (or (eq beg (point-max)) + (member (char-syntax (char-after beg)) '(?\" ?\( ?\)))) + (condition-case nil + (save-excursion + (goto-char beg) + (forward-sexp 1) + (when (>= (point) pos) + (point))) + (scan-error pos))))) + (when end + (list beg end obarray + :predicate predicate + :annotate-function + (unless (eq predicate 'fboundp) + (lambda (str) (if (fboundp (intern-soft str)) " <f>")))))))) ;; arch-tag: aa7fa8a4-2e6f-4e9b-9cd9-fef06340e67e ;;; lisp.el ends here |