- (if (find-package "SWANK")
- (let ((read-from-emacs (symbol-function (find-symbol "READ-FROM-EMACS" "SWANK")))
- (stream (funcall (find-symbol "CONNECTION.SOCKET-IO" "SWANK") (symbol-value (find-symbol "*EMACS-CONNECTION*" "SWANK")))))
- (setf (symbol-function (find-symbol "READ-FROM-EMACS" "SWANK"))
- #'(lambda ()
- (loop
- (case (socket-status (cons stream :input) 0 *event-poll-interval*)
- ((:input :eof) (return (funcall read-from-emacs)))
- (otherwise (main-iterate-all)))))))
+ (unless (and
+ (find-package "SWANK")
+ (let ((connection (symbol-value (find-symbol "*EMACS-CONNECTION*" "SWANK"))))
+ (when connection
+ (let ((read-from-emacs (symbol-function (find-symbol "READ-FROM-EMACS" "SWANK")))
+ (stream (funcall (find-symbol "CONNECTION.SOCKET-IO" "SWANK") connection)))
+ (setf (symbol-function (find-symbol "READ-FROM-EMACS" "SWANK"))
+ #'(lambda ()
+ (loop
+ (case (socket-status (cons stream :input) 0
+ *event-poll-interval*)
+ ((:input :eof) (return (funcall read-from-emacs)))
+ (otherwise (main-iterate-all))))))))))