fuel.listener: new vocab with a listener better for FUEL (#1486)

extra/fuel/listener/linux/linux.factor

@@ -0,0 +1,13 @@
+USING: accessors fuel.listener io.serial.linux io.serial.linux.ffi
+kernel libc math.bitwise sequences system ;
+IN: fuel.listener.linux
+
+: flush-termios ( termios fileno -- )
+    TCSAFLUSH rot tcsetattr io-error ;
+
+: set-raw-flags ( termios -- )
+    [ ICANON unmask ECHO unmask ] change-lflag
+    cc>> [ 1 VMIN rot set-nth ] [ 0 VTIME rot set-nth ] bi ;
+
+M: linux fuel-pty-setup
+    0 get-fd-termios dup set-raw-flags 0 flush-termios ;

extra/fuel/listener/linux/platforms.txt

@@ -0,0 +1 @@
+linux

extra/fuel/listener/listener-docs.factor

@@ -0,0 +1,6 @@
+USING: help.syntax ;
+IN: fuel.listener
+
+ARTICLE: "fuel.listener" "FUEL command listener" "This vocab contains the listener started from FUEL. It sets up the pty in non-canonical mode so that you can paste long lines into it from Emacs." ;
+
+ABOUT: "fuel.listener"

extra/fuel/listener/listener.factor

@@ -0,0 +1,13 @@
+USING: kernel listener system vocabs ;
+IN: fuel.listener
+
+HOOK: fuel-pty-setup os ( -- )
+
+M: object fuel-pty-setup ;
+
+os linux? [ "fuel.listener.linux" require ] when
+
+: fuel-listener ( -- )
+    fuel-pty-setup listener-main ;
+
+MAIN: fuel-listener

misc/fuel/fuel-listener.el

@@ -137,7 +137,7 @@ sessions."
     (message "Starting FUEL listener (this may take a while) ...")
     (pop-to-buffer (fuel-listener--buffer))
     (make-comint-in-buffer "fuel listener" (current-buffer) factor nil
-                           "-run=listener" (format "-i=%s" image))
+                           "-run=fuel.listener" (format "-i=%s" image))
     (fuel-listener--wait-for-prompt 60000)
     (fuel-listener--history-setup)
     (fuel-con--setup-connection (current-buffer))))