version 1.6, 2004/12/28 17:27:24
|
version 1.7, 2004/12/28 21:09:47
|
Line 20
|
Line 20
|
|
|
\ short: u8 means utf-8 encoded address |
\ short: u8 means utf-8 encoded address |
|
|
|
s" malformed UTF-8 character" exception Constant UTF-8-err |
|
|
: u8len ( u8 -- n ) |
: u8len ( u8 -- n ) |
dup $80 u< IF drop 1 EXIT THEN \ special case ASCII |
dup $80 u< IF drop 1 EXIT THEN \ special case ASCII |
$800 2 >r |
$800 2 >r |
Line 31
|
Line 33
|
$7F and $40 >r |
$7F and $40 >r |
BEGIN dup r@ and WHILE r@ xor |
BEGIN dup r@ and WHILE r@ xor |
6 lshift r> 5 lshift >r >r count |
6 lshift r> 5 lshift >r >r count |
\ dup $C0 and $80 <> abort" malformed character" |
dup $C0 and $80 <> IF UTF-8-err throw THEN |
$3F and r> or |
$3F and r> or |
REPEAT rdrop ; |
REPEAT rdrop ; |
|
|
Line 57
|
Line 59
|
$7F and $40 >r |
$7F and $40 >r |
BEGIN dup r@ and WHILE r@ xor |
BEGIN dup r@ and WHILE r@ xor |
6 lshift r> 5 lshift >r >r defers key |
6 lshift r> 5 lshift >r >r defers key |
\ dup $C0 and $80 <> abort" malformed character" |
dup $C0 and $80 <> IF UTF-8-err throw THEN |
$3F and r> or |
$3F and r> or |
REPEAT rdrop ; |
REPEAT rdrop ; |
|
|
Line 71
|
Line 73
|
|
|
\ input editor |
\ input editor |
|
|
: save-cursor ( -- ) 27 emit '7 emit ; |
[IFUNDEF] #esc 27 Constant #esc [THEN] |
: restore-cursor ( -- ) 27 emit '8 emit ; |
|
|
: save-cursor ( -- ) #esc emit '7 emit ; |
|
: restore-cursor ( -- ) #esc emit '8 emit ; |
: .rest ( addr pos1 -- addr pos1 ) |
: .rest ( addr pos1 -- addr pos1 ) |
restore-cursor 2dup type ; |
restore-cursor 2dup type ; |
: .all ( span addr pos1 -- span addr pos1 ) |
: .all ( span addr pos1 -- span addr pos1 ) |