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Swank Client ============ Swank Client is a Common Lisp implementation of the client side of the Slime/Swank debugging protocol. Emacs uses the Swank protocol to communicate with a Lisp system when a user runs the Slime IDE. The protocol is useful independently of Emacs because it allows a client to evaluate expressions on a remote Lisp that's running a Swank server. The Swank Client API ==================== swank-connection An object representing a Swank connection. slime-connect Connects to a remote Common Lisp using the Swank protocol. slime-close Closes a Swank connection. slime-eval Evaluates an expression on a remote Lisp. slime-eval-async Evaluates an expression on a remote Lisp asynchronously. slime-migrate-evals Migrates work pending on one Swank connection to another. slime-network-error A condition that represents a network error. slime-pending-evals-p Does a Swank connection have unfinished work pending? with-slime-connection Macro that operates like with-open-file. For more information, see the documentation strings in swank-client.lisp and the example code in swank-client_test.lisp. Example code for starting a Swank server ======================================== (defvar *emacs-port* 4005) (defvar *swank-client-port* 10000) (defun start-swank-server-for-emacs (port) "Starts a Swank server thread, listening on PORT of the host's loopback interface, to handle Emacs/Slime connection requests." (swank:create-server :port port :dont-close t)) (defun start-swank-server-for-swank-client (port) "Starts a Swank server thread, listening on PORT of the host's network interface, to handle Swank Client connection requests." (let ((swank::*loopback-interface* (sb-unix:unix-gethostname))) (swank:create-server :port port :dont-close t))) (defun swank-thread () "Returns a thread that's acting as a Swank server." (dolist (thread (sb-thread:list-all-threads)) (when (com.google.base:prefixp "Swank" (sb-thread:thread-name thread)) (return thread)))) (defun wait-for-swank-thread () "Wait for the Swank server thread to exit." (let ((swank-thread (swank-thread))) (when swank-thread (sb-thread:join-thread swank-thread)))) (defun main () (setf swank:*configure-emacs-indentation* nil swank::*enable-event-history* nil swank:*log-events* t) (start-swank-server-for-emacs *emacs-port*) (start-swank-server-for-swank-client *swank-client-port*) (wait-for-swank-thread)) The code above starts two Swank servers. You can connect to the server on port 4005 from Emacs using the command M-x slime-connect. You can programmatically connect to the second Swank server by loading the Swank Client code into your Lisp and evaluating: (swank-client:slime-connect "my-host.domain.com" 10000)