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authorJose Antonio Ortega Ruiz <jao@gnu.org>2010-10-11 02:23:26 +0200
committerJose Antonio Ortega Ruiz <jao@gnu.org>2010-10-11 02:23:26 +0200
commit30824831a0211277769ddcbaee431321c603bc03 (patch)
treeb571eb3c3d597c68325f368fc777d6816f779310 /elisp/geiser-repl.el
parent6cca3627152fa6f4cd3c38c908db820fdc7eac98 (diff)
downloadgeiser-chez-30824831a0211277769ddcbaee431321c603bc03.tar.gz
geiser-chez-30824831a0211277769ddcbaee431321c603bc03.tar.bz2
Remote REPLs: elisp support (geiser-connect)
New user command geiser-connect, which will try to connect to a remote server and use it in the REPL.
Diffstat (limited to 'elisp/geiser-repl.el')
-rw-r--r--elisp/geiser-repl.el70
1 files changed, 57 insertions, 13 deletions
diff --git a/elisp/geiser-repl.el b/elisp/geiser-repl.el
index e28428f..7c9bd56 100644
--- a/elisp/geiser-repl.el
+++ b/elisp/geiser-repl.el
@@ -94,6 +94,16 @@ expression, if any."
:type 'boolean
:group 'geiser-repl)
+(geiser-custom--defcustom geiser-repl-default-host "localhost"
+ "Default host when connecting to remote REPLs."
+ :type 'string
+ :group 'geiser-repl)
+
+(geiser-custom--defcustom geiser-repl-default-port 37146
+ "Default port for connecting to remote REPLs."
+ :type 'integer
+ :group 'geiser-repl)
+
;;; Geiser REPL buffers and processes:
@@ -113,9 +123,10 @@ expression, if any."
(defun geiser-repl--repl/impl (impl &optional repls)
(catch 'repl
(dolist (repl (or repls geiser-repl--repls))
- (with-current-buffer repl
- (when (eq geiser-impl--implementation impl)
- (throw 'repl repl))))))
+ (when (buffer-live-p repl)
+ (with-current-buffer repl
+ (when (eq geiser-impl--implementation impl)
+ (throw 'repl repl)))))))
(defun geiser-repl--set-up-repl (impl)
(or (and (not impl) geiser-repl--repl)
@@ -186,20 +197,46 @@ module command as a string")
(geiser-impl--define-caller geiser-repl--exit-cmd exit-command ()
"Function returning the REPL exit command as a string")
-(defun geiser-repl--start-repl (impl)
+(make-variable-buffer-local
+ (defvar geiser-repl--address nil))
+
+(defsubst geiser-repl--host () (car geiser-repl--address))
+(defsubst geiser-repl--port () (cdr geiser-repl--address))
+(defsubst geiser-repl--remote-p () geiser-repl--address)
+
+(defun geiser-repl--get-address ()
+ (let ((defhost (or (geiser-repl--host) geiser-repl-default-host))
+ (defport (or (geiser-repl--port) geiser-repl-default-port)))
+ (cons (read-string (format "Host (default %s): " defhost) nil nil defhost)
+ (read-number "Port: " defport))))
+
+(defun geiser-repl--save-remote-data (remote address)
+ (setq geiser-repl--address (and remote address))
+ (when remote
+ (setq header-line-format (format "Host: %s Port: %s"
+ (geiser-repl--host)
+ (geiser-repl--port)))))
+
+(defun geiser-repl--start-repl (impl &optional remote)
(message "Starting Geiser REPL for %s ..." impl)
(geiser-repl--to-repl-buffer impl)
- (let ((binary (geiser-repl--binary impl))
+ (let ((program (if remote (geiser-repl--get-address)
+ (geiser-repl--binary impl)))
(args (geiser-repl--arglist impl))
(prompt-rx (geiser-repl--prompt-regexp impl))
(deb-prompt-rx (geiser-repl--debugger-prompt-regexp impl))
(deb-preamble-rx (geiser-repl--debugger-preamble-regexp impl))
(cname (geiser-repl--repl-name impl)))
- (unless (and binary prompt-rx)
+ (unless (and program prompt-rx)
(error "Sorry, I don't know how to start a REPL for %s" impl))
(set (make-local-variable 'comint-prompt-regexp) prompt-rx)
- (apply 'make-comint-in-buffer
- `(,cname ,(current-buffer) ,binary nil ,@args))
+ (geiser-repl--save-remote-data remote program)
+ (condition-case err
+ (apply 'make-comint-in-buffer
+ `(,cname ,(current-buffer) ,program nil ,@args))
+ (error (insert "Unable to start REPL:\n\n"
+ (error-message-string err) "\n")
+ (error "Couldn't start Geiser")))
(geiser-repl--wait-for-prompt 10000)
(geiser-repl--history-setup)
(geiser-con--setup-connection (current-buffer)
@@ -249,6 +286,16 @@ module command as a string")
"Start Geiser for scheme implementation: "))))
(geiser-repl--start-repl impl))
+(defun geiser-connect (impl)
+ "Start a new Geiser REPL connected to a remote Scheme process."
+ (interactive
+ (list (or (geiser-repl--only-impl-p)
+ (and (eq major-mode 'geiser-repl-mode)
+ geiser-impl--implementation)
+ (geiser-repl--read-impl
+ "Scheme implementation: "))))
+ (geiser-repl--start-repl impl t))
+
(make-variable-buffer-local
(defvar geiser-repl--last-scm-buffer nil))
@@ -267,11 +314,8 @@ If no REPL is running, execute `run-geiser' to start a fresh one."
(buffer-live-p geiser-repl--last-scm-buffer))
(pop-to-buffer geiser-repl--last-scm-buffer))
(repl (pop-to-buffer repl))
- (t (run-geiser (or impl
- (and (not ask)
- (geiser-repl--only-impl-p))
- (geiser-repl--read-impl
- "Switch to scheme REPL: ")))))
+ ((geiser-repl--remote-p) (geiser-connect impl))
+ (t (run-geiser impl)))
(when (and buffer (eq major-mode 'geiser-repl-mode))
(setq geiser-repl--last-scm-buffer buffer))))