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authorAlex Kost <alezost@gmail.com>2014-10-20 23:23:32 +0400
committerAlex Kost <alezost@gmail.com>2014-10-27 21:52:56 +0300
commit17b50485a62d2120c27783e00a0a8dddd2d3db1f (patch)
treefd225962529f4f777b14c92ac96010c69ea6dd5b /emacs
parentf209da9f9422a2efa540d71601dd4269ef837480 (diff)
emacs: Improve REPL procedures.
* emacs/guix-backend.el (guix-start-process-maybe): Add 'start-msg' and 'end-msg' optional arguments. (guix-start-repl-maybe): Likewise. Do not kill buffer with a dead process. (guix-repl-exit): New procedure. (guix-eval-in-repl): Use 'geiser-repl--send'.
Diffstat (limited to 'emacs')
-rw-r--r--emacs/guix-backend.el46
1 files changed, 32 insertions, 14 deletions
diff --git a/emacs/guix-backend.el b/emacs/guix-backend.el
index 93d0ed1c96..6537888685 100644
--- a/emacs/guix-backend.el
+++ b/emacs/guix-backend.el
@@ -155,24 +155,31 @@ See `guix-eval-in-repl' for details.")
(list (concat "--listen="
(number-to-string guix-default-port))))))
-(defun guix-start-process-maybe ()
- "Start Geiser REPL configured for Guix if needed."
- (guix-start-repl-maybe)
+(defun guix-start-process-maybe (&optional start-msg end-msg)
+ "Start Geiser REPL configured for Guix if needed.
+START-MSG and END-MSG are strings displayed in the minibuffer in
+the beginning and in the end of the starting process. If nil,
+display default messages."
+ (guix-start-repl-maybe nil
+ (or start-msg "Starting Guix REPL ...")
+ (or end-msg "Guix REPL has been started."))
(if guix-use-guile-server
(guix-start-repl-maybe 'internal)
(setq guix-internal-repl-buffer guix-repl-buffer)))
-(defun guix-start-repl-maybe (&optional internal)
+(defun guix-start-repl-maybe (&optional internal start-msg end-msg)
"Start Guix REPL if needed.
-If INTERNAL is non-nil, start an internal REPL."
+If INTERNAL is non-nil, start an internal REPL.
+
+START-MSG and END-MSG are strings displayed in the minibuffer in
+the beginning and in the end of the process. If nil, do not
+display messages."
(let* ((repl-var (guix-get-repl-buffer-variable internal))
(repl (symbol-value repl-var)))
(unless (and (buffer-live-p repl)
(get-buffer-process repl))
- ;; Kill REPL buffer with a dead process
- (and (buffer-live-p repl) (kill-buffer repl))
- (or internal
- (message "Starting Geiser REPL for Guix ..."))
+ (and start-msg (message start-msg))
+ (setq guix-repl-operation-p nil)
(let ((geiser-guile-binary (guix-get-guile-program internal))
(geiser-guile-init-file (or internal guix-helper-file))
(repl (get-buffer-create
@@ -187,8 +194,8 @@ If INTERNAL is non-nil, start an internal REPL."
"See buffer '%s' for details")
guix-default-port (buffer-name repl))))
(set repl-var repl)
+ (and end-msg (message end-msg))
(unless internal
- (message "Guix REPL has been started.")
(run-hooks 'guix-after-start-repl-hook))))))
(defun guix-start-repl (buffer &optional address)
@@ -254,6 +261,20 @@ This is a replacement for `geiser-repl--output-filter'."
(match-beginning 0))
(geiser-autodoc--disinhibit-autodoc))))
+(defun guix-repl-exit (&optional internal no-wait)
+ "Exit the current Guix REPL.
+If INTERNAL is non-nil, exit the internal REPL.
+If NO-WAIT is non-nil, do not wait for the REPL process to exit:
+send a kill signal to it and return immediately."
+ (let ((repl (symbol-value (guix-get-repl-buffer-variable internal))))
+ (when (get-buffer-process repl)
+ (with-current-buffer repl
+ (geiser-con--connection-deactivate geiser-repl--connection t)
+ (comint-kill-subjob)
+ (unless no-wait
+ (while (get-buffer-process repl)
+ (sleep-for 0.1)))))))
+
(defun guix-get-repl-buffer (&optional internal)
"Return Guix REPL buffer; start REPL if needed.
If INTERNAL is non-nil, return an additional internal REPL."
@@ -346,10 +367,7 @@ successful executing of the current operation,
guix-operation-buffer operation-buffer)
(let ((repl (guix-get-repl-buffer)))
(with-current-buffer repl
- (delete-region (geiser-repl--last-prompt-end) (point-max))
- (goto-char (point-max))
- (insert str)
- (geiser-repl--send-input))
+ (geiser-repl--send str))
(geiser-repl--switch-to-buffer repl)))
(provide 'guix-backend)