version 1.39, 2005/01/10 10:30:55
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version 1.41, 2005/01/26 21:41:27
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Line 28 interpret/compile: ctrl ( "<char>" -- c
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Line 28 interpret/compile: ctrl ( "<char>" -- c
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: >string ( span addr pos1 -- span addr pos1 addr2 len ) |
: >string ( span addr pos1 -- span addr pos1 addr2 len ) |
over 3 pick 2 pick chars /string ; |
over 3 pick 2 pick chars /string ; |
: type-rest ( span addr pos1 -- span addr pos1 back ) |
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>string tuck type ; |
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: (del) ( max span addr pos1 -- max span addr pos2 ) |
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1- >string over 1+ -rot move |
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rot 1- -rot #bs emit type-rest bl emit 1+ backspaces ; |
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: (ins) ( max span addr pos1 char -- max span addr pos2 ) |
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>r >string over 1+ swap move 2dup chars + r> swap c! |
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rot 1+ -rot type-rest 1- backspaces 1+ ; |
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: ?del ( max span addr pos1 -- max span addr pos2 0 ) |
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dup IF (del) THEN 0 ; |
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: (ret) type-rest drop true space ; |
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: back dup IF 1- #bs emit ELSE #bell emit THEN 0 ; |
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: forw 2 pick over <> IF 2dup + c@ emit 1+ ELSE #bell emit THEN 0 ; |
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: <del> ( max span addr pos1 -- max span addr pos2 0 ) |
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2 pick over <> |
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IF forw drop (del) ELSE #bell emit THEN 0 ; |
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: eof 2 pick over or 0= IF bye ELSE <del> THEN ; |
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: bindkey ( xt key -- ) cells ctrlkeys + ! ; |
: bindkey ( xt key -- ) cells ctrlkeys + ! ; |
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Line 89 s" os-class" environment? [IF] s" unix"
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Line 72 s" os-class" environment? [IF] s" unix"
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: clear-line ( max span addr pos1 -- max addr ) |
: clear-line ( max span addr pos1 -- max addr ) |
backspaces over spaces swap backspaces ; |
backspaces over spaces swap backspaces ; |
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: clear-tib ( max span addr pos -- max 0 addr 0 false ) |
\ : clear-tib ( max span addr pos -- max 0 addr 0 false ) |
clear-line 0 tuck dup ; |
\ clear-line 0 tuck dup ; |
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: hist-pos ( -- ud ) history file-position drop ( throw ) ; |
: hist-pos ( -- ud ) history file-position drop ( throw ) ; |
: hist-setpos ( ud -- ) history reposition-file drop ( throw ) ; |
: hist-setpos ( ud -- ) history reposition-file drop ( throw ) ; |
Line 117 s" os-class" environment? [IF] s" unix"
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Line 100 s" os-class" environment? [IF] s" unix"
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: prev-line ( max span addr pos1 -- max span addr pos2 false ) |
: prev-line ( max span addr pos1 -- max span addr pos2 false ) |
clear-line find-prev-line 2dup type 0 ; |
clear-line find-prev-line 2dup type 0 ; |
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Create lfpad #lf c, |
\ Create lfpad #lf c, |
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: (enter) ( max span addr pos1 -- max span addr pos2 true ) |
: (enter) ( max span addr pos1 -- max span addr pos2 true ) |
>r end^ 2@ hist-setpos |
>r end^ 2@ hist-setpos |
Line 125 Create lfpad #lf c,
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Line 108 Create lfpad #lf c,
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hist-pos 2dup backward^ 2! end^ 2! |
hist-pos 2dup backward^ 2! end^ 2! |
r> (ret) ; |
r> (ret) ; |
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\ some other key commands 16oct94py |
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: first-pos ( max span addr pos1 -- max span addr 0 0 ) |
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backspaces 0 0 ; |
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: end-pos ( max span addr pos1 -- max span addr span 0 ) |
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type-rest 2drop over 0 ; |
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: extract-word ( addr len -- addr' len' ) dup >r |
: extract-word ( addr len -- addr' len' ) dup >r |
BEGIN 1- dup 0>= WHILE 2dup + c@ bl = UNTIL THEN 1+ |
BEGIN 1- dup 0>= WHILE 2dup + c@ bl = UNTIL THEN 1+ |
tuck + r> rot - ; |
tuck + r> rot - ; |
Line 203 Create prefix-found 0 , 0 ,
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Line 179 Create prefix-found 0 , 0 ,
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[ -1 cells ] Literal +LOOP |
[ -1 cells ] Literal +LOOP |
prefix-string ; |
prefix-string ; |
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: kill-expand ( max span addr pos1 -- max span addr pos2 ) |
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prefix-found cell+ @ 0 ?DO (del) LOOP ; |
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: tib-full? ( max span addr pos addr' len' -- max span addr pos addr1 u flag ) |
: tib-full? ( max span addr pos addr' len' -- max span addr pos addr1 u flag ) |
5 pick over 4 pick + prefix-found @ 0<> - < ; |
5 pick over 4 pick + prefix-found @ 0<> - < ; |
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: tab-expand ( max span addr pos1 -- max span addr pos2 0 ) |
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key? IF #tab (ins) 0 EXIT THEN |
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kill-expand 2dup extract-word dup 0= IF nip EXIT THEN |
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search-prefix tib-full? |
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IF 7 emit 2drop 0 0 prefix-found 2! |
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ELSE bounds ?DO I c@ (ins) LOOP THEN |
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prefix-found @ IF bl (ins) THEN 0 ; |
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: kill-prefix ( key -- key ) |
: kill-prefix ( key -- key ) |
dup #tab <> IF prefix-off THEN ; |
dup #tab <> IF prefix-off THEN ; |
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[IFUNDEF] everyline defer everyline [THEN] |
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: 8-bit-io ( -- ) |
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['] forw ctrl F bindkey |
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['] back ctrl B bindkey |
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['] ?del ctrl H bindkey |
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['] eof ctrl D bindkey |
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['] <del> ctrl X bindkey |
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['] next-line ctrl N bindkey |
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['] prev-line ctrl P bindkey |
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['] clear-tib ctrl K bindkey |
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['] first-pos ctrl A bindkey |
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['] end-pos ctrl E bindkey |
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['] (enter) #lf bindkey |
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['] (enter) #cr bindkey |
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['] tab-expand #tab bindkey |
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['] (ins) IS insert-char |
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['] kill-prefix IS everychar |
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['] noop IS everyline |
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[ action-of key ] Literal IS key |
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[ action-of emit ] Literal IS emit ; |
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\ UTF-8 support |
\ UTF-8 support |
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require utf-8.fs |
require utf-8.fs |
Line 255 require utf-8.fs
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Line 198 require utf-8.fs
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: .all ( span addr pos1 -- span addr pos1 ) |
: .all ( span addr pos1 -- span addr pos1 ) |
restore-cursor >r 2dup swap type r> ; |
restore-cursor >r 2dup swap type r> ; |
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: <u8ins> ( max span addr pos1 u8char -- max span addr pos2 ) |
: <xins> ( max span addr pos1 xc -- max span addr pos2 ) |
>r 2over r@ u8len + u< IF rdrop bell EXIT THEN |
>r 2over r@ xc-size + u< IF ( max span addr pos1 R:xc ) |
>string over r@ u8len + swap move 2dup chars + r@ swap u8!+ drop |
rdrop bell EXIT THEN |
r> u8len >r rot r@ chars + -rot r> chars + ; |
>string over r@ xc-size + swap move |
: (u8ins) ( max span addr pos1 u8char -- max span addr pos2 ) |
2dup chars + r@ swap r@ xc-size xc!+? 2drop drop |
<u8ins> .all .rest ; |
r> xc-size >r rot r@ chars + -rot r> chars + ; |
: u8back ( max span addr pos1 -- max span addr pos2 f ) |
: (xins) ( max span addr pos1 xc -- max span addr pos2 ) |
dup IF over + u8<< over - 0 max .all .rest |
<xins> .all .rest ; |
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: xback ( max span addr pos1 -- max span addr pos2 f ) |
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dup IF over + xchar- over - 0 max .all .rest |
ELSE bell THEN 0 ; |
ELSE bell THEN 0 ; |
: u8forw ( max span addr pos1 -- max span addr pos2 f ) |
: xforw ( max span addr pos1 -- max span addr pos2 f ) |
2 pick over <> IF over + u8@+ u8emit over - ELSE bell THEN 0 ; |
2 pick over <> IF over + xc@+ xemit over - ELSE bell THEN 0 ; |
: (u8del) ( max span addr pos1 -- max span addr pos2 ) |
: (xdel) ( max span addr pos1 -- max span addr pos2 ) |
over + dup u8<< tuck - >r over - |
over + dup xchar- tuck - >r over - |
>string over r@ + -rot move |
>string over r@ + -rot move |
rot r> - -rot ; |
rot r> - -rot ; |
: ?u8del ( max span addr pos1 -- max span addr pos2 0 ) |
: ?xdel ( max span addr pos1 -- max span addr pos2 0 ) |
dup IF (u8del) .all 2 spaces .rest THEN 0 ; |
dup IF (xdel) .all 2 spaces .rest THEN 0 ; |
: <u8del> ( max span addr pos1 -- max span addr pos2 0 ) |
: <xdel> ( max span addr pos1 -- max span addr pos2 0 ) |
2 pick over <> |
2 pick over <> |
IF u8forw drop (u8del) .all 2 spaces .rest |
IF xforw drop (xdel) .all 2 spaces .rest |
ELSE bell THEN 0 ; |
ELSE bell THEN 0 ; |
: u8eof 2 pick over or 0= IF bye ELSE <u8del> THEN ; |
: xeof 2 pick over or 0= IF bye ELSE <xdel> THEN ; |
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: u8first-pos ( max span addr pos1 -- max span addr 0 0 ) |
: xfirst-pos ( max span addr pos1 -- max span addr 0 0 ) |
drop 0 .all .rest 0 ; |
drop 0 .all .rest 0 ; |
: u8end-pos ( max span addr pos1 -- max span addr span 0 ) |
: xend-pos ( max span addr pos1 -- max span addr span 0 ) |
drop over .all 0 ; |
drop over .all 0 ; |
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: u8clear-line ( max span addr pos1 -- max addr ) |
: xclear-line ( max span addr pos1 -- max addr ) |
drop restore-cursor swap spaces restore-cursor ; |
drop restore-cursor swap spaces restore-cursor ; |
: u8clear-tib ( max span addr pos -- max 0 addr 0 false ) |
: xclear-tib ( max span addr pos -- max 0 addr 0 false ) |
u8clear-line 0 tuck dup ; |
xclear-line 0 tuck dup ; |
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: (u8enter) ( max span addr pos1 -- max span addr pos2 true ) |
: (xenter) ( max span addr pos1 -- max span addr pos2 true ) |
>r end^ 2@ hist-setpos |
>r end^ 2@ hist-setpos |
2dup swap history write-line drop ( throw ) \ don't worry about errors |
2dup swap history write-line drop ( throw ) \ don't worry about errors |
hist-pos 2dup backward^ 2! end^ 2! |
hist-pos 2dup backward^ 2! end^ 2! |
r> .all space true ; |
r> .all space true ; |
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: u8kill-expand ( max span addr pos1 -- max span addr pos2 ) |
: xkill-expand ( max span addr pos1 -- max span addr pos2 ) |
prefix-found cell+ @ ?dup IF >r |
prefix-found cell+ @ ?dup IF >r |
r@ - >string over r@ + -rot move |
r@ - >string over r@ + -rot move |
rot r@ - -rot .all r> spaces .rest THEN ; |
rot r@ - -rot .all r> spaces .rest THEN ; |
Line 304 require utf-8.fs
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Line 249 require utf-8.fs
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rot over min >r r@ - ( left over ) |
rot over min >r r@ - ( left over ) |
over dup r@ + rot move r> move ; |
over dup r@ + rot move r> move ; |
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: u8tab-expand ( max span addr pos1 -- max span addr pos2 0 ) |
: xtab-expand ( max span addr pos1 -- max span addr pos2 0 ) |
key? IF #tab (u8ins) 0 EXIT THEN |
key? IF #tab (xins) 0 EXIT THEN |
u8kill-expand 2dup extract-word dup 0= IF nip EXIT THEN |
xkill-expand 2dup extract-word dup 0= IF nip EXIT THEN |
search-prefix tib-full? |
search-prefix tib-full? |
IF 7 emit 2drop prefix-off |
IF bell 2drop prefix-off |
ELSE dup >r |
ELSE dup >r |
2>r >string r@ + 2r> 2swap insert |
2>r >string r@ + 2r> 2swap insert |
r@ + rot r> + -rot |
r@ + rot r> + -rot |
THEN |
THEN |
prefix-found @ IF bl (u8ins) ELSE .all .rest THEN 0 ; |
prefix-found @ IF bl (xins) ELSE .all .rest THEN 0 ; |
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: utf-8-io ( -- ) |
: xchar-history ( -- ) |
['] u8forw ctrl F bindkey |
['] xforw ctrl F bindkey |
['] u8back ctrl B bindkey |
['] xback ctrl B bindkey |
['] ?u8del ctrl H bindkey |
['] ?xdel ctrl H bindkey |
['] u8eof ctrl D bindkey |
['] xeof ctrl D bindkey |
['] <u8del> ctrl X bindkey |
['] <xdel> ctrl X bindkey |
['] u8clear-tib ctrl K bindkey |
['] xclear-tib ctrl K bindkey |
['] u8first-pos ctrl A bindkey |
['] xfirst-pos ctrl A bindkey |
['] u8end-pos ctrl E bindkey |
['] xend-pos ctrl E bindkey |
['] (u8enter) #lf bindkey |
['] (xenter) #lf bindkey |
['] (u8enter) #cr bindkey |
['] (xenter) #cr bindkey |
['] u8tab-expand #tab bindkey |
['] xtab-expand #tab bindkey |
['] (u8ins) IS insert-char |
['] (xins) IS insert-char |
['] kill-prefix IS everychar |
['] kill-prefix IS everychar |
['] save-cursor IS everyline |
['] save-cursor IS everyline ; |
['] u8key IS key |
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['] u8emit IS emit ; |
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: utf-8-cold ( -- ) |
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s" LANG" getenv s" .UTF-8" search nip nip |
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IF utf-8-io ELSE 8-bit-io THEN ; |
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' utf-8-cold INIT8 chained |
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utf-8-cold |
xchar-history |
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\ initializing history |
\ initializing history |
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