@@ -10,10 +10,20 @@
\ * IBM Corporation - initial implementation
\ ****************************************************************************/
+0 VALUE read-xt
0 VALUE write-xt
+VARIABLE stdin
VARIABLE stdout
+: set-stdin ( ihandle -- )
+ \ Close old stdin:
+ stdin @ ?dup IF close-dev THEN
+ \ Now set the new stdin:
+ dup stdin !
+ encode-int s" stdin" set-chosen
+;
+
: set-stdout ( ihandle -- )
\ Close old stdout:
stdout @ ?dup IF close-dev THEN
@@ -24,12 +34,15 @@ VARIABLE stdout
: input ( dev-str dev-len -- )
open-dev ?dup IF
- \ Close old stdin:
- s" stdin" get-chosen IF
- decode-int nip nip ?dup IF close-dev THEN
+ \ find new ihandle and xt handle
+ dup s" read" rot ihandle>phandle find-method
+ 0= IF
+ drop
+ cr ." Cannot find the read method for the given input console " cr
+ EXIT
THEN
- \ Now set the new stdin:
- encode-int s" stdin" set-chosen
+ to read-xt
+ set-stdin
THEN
;
@@ -51,7 +64,6 @@ VARIABLE stdout
2dup input output
;
-
1 BUFFER: (term-io-char-buf)
: term-io-emit ( char -- )
@@ -67,16 +79,14 @@ VARIABLE stdout
' term-io-emit to emit
: term-io-key ( -- char )
- s" stdin" get-chosen IF
- decode-int nip nip dup 0= IF 0 EXIT THEN
- >r BEGIN
- (term-io-char-buf) 1 s" read" r@ $call-method
+ read-xt IF
+ BEGIN
+ (term-io-char-buf) 1 read-xt stdin @ call-package
0 >
UNTIL
(term-io-char-buf) c@
- r> drop
ELSE
- [ ' key behavior compile, ]
+ serial-key
THEN
;
@@ -88,8 +98,7 @@ VARIABLE stdout
\ - if it's an hv console, use hvterm-key?
\ otherwise it will always return false
: term-io-key? ( -- true|false )
- s" stdin" get-chosen IF
- decode-int nip nip dup 0= IF drop 0 EXIT THEN \ return false and exit if no stdin set
+ stdin @ ?dup IF
>r \ store ihandle on return stack
s" device_type" r@ ihandle>phandle ( propstr len phandle )
get-property ( true | data dlen false )
@@ -115,8 +124,7 @@ VARIABLE stdout
2drop r> drop false EXIT \ unknown device_type cleanup return-stack, return false
THEN
ELSE
- \ stdin not set, return false
- false
+ serial-key?
THEN
;
Signed-off-by: Laurent Vivier <lvivier@redhat.com> --- slof/fs/term-io.fs | 40 ++++++++++++++++++++++++---------------- 1 file changed, 24 insertions(+), 16 deletions(-)