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-rw-r--r--elisp/geiser-connection.el17
1 files changed, 16 insertions, 1 deletions
diff --git a/elisp/geiser-connection.el b/elisp/geiser-connection.el
index 509bdf0..49f0b0b 100644
--- a/elisp/geiser-connection.el
+++ b/elisp/geiser-connection.el
@@ -66,6 +66,21 @@
;;; Connection datatype:
+(defun geiser-con--tq-create (process)
+ (let ((tq (tq-create process)))
+ (set-process-filter process
+ `(lambda (p s) (geiser-con--tq-filter ',tq s)))
+ tq))
+
+(defun geiser-con--tq-filter (tq in)
+ (if (tq-queue-empty tq)
+ (let ((buffer (tq-buffer tq)))
+ (geiser-log--error "Unexpected queue input:\n %s" in)
+ (when (buffer-live-p buffer)
+ (with-current-buffer buffer
+ (delete-region (point-min) (point-max)))))
+ (tq-filter tq in)))
+
(defun geiser-con--combined-prompt (prompt debug)
(format "\\(%s%s\\)" prompt (if debug (format "\\|%s" debug) "")))
@@ -76,7 +91,7 @@
(defun geiser-con--make-connection (proc prompt debug-prompt)
(list t
(cons :filter (process-filter proc))
- (cons :tq (tq-create proc))
+ (cons :tq (geiser-con--tq-create proc))
(cons :tq-filter (process-filter proc))
(cons :eot (geiser-con--connection-eot-re prompt debug-prompt))
(cons :prompt prompt)