--- gforth/history.fs 2003/03/09 15:16:50 1.31 +++ gforth/history.fs 2004/12/27 20:05:53 1.35 @@ -48,14 +48,6 @@ interpret/compile: ctrl ( "" -- c : bindkey ( xt key -- ) cells ctrlkeys + ! ; -' forw ctrl F bindkey -' back ctrl B bindkey -' ?del ctrl H bindkey -' eof ctrl D bindkey -' ctrl X bindkey - -' (ins) IS insert-char - \ history support 16oct94py 0 Value history \ history file fid @@ -100,8 +92,8 @@ s" os-class" environment? [IF] s" unix" : clear-tib ( max span addr pos -- max 0 addr 0 false ) clear-line 0 tuck dup ; -: hist-pos ( -- ud ) history file-position throw ; -: hist-setpos ( ud -- ) history reposition-file throw ; +: hist-pos ( -- ud ) history file-position drop ( throw ) ; +: hist-setpos ( ud -- ) history reposition-file drop ( throw ) ; : get-line ( addr len -- len' flag ) swap history read-line throw ; @@ -129,7 +121,7 @@ Create lfpad #lf c, : (enter) ( max span addr pos1 -- max span addr pos2 true ) >r end^ 2@ hist-setpos - 2dup swap history write-line throw + 2dup swap history write-line drop ( throw ) \ don't worry about errors hist-pos 2dup backward^ 2! end^ 2! r> (ret) ; @@ -193,13 +185,15 @@ Create prefix-found 0 , 0 , REPEAT drop r> ; +: prefix-off ( -- ) 0 0 prefix-found 2! ; + : prefix-string ( addr len nfa -- addr' len' ) dup prefix-found ! ?dup IF name>string rot /string rot drop dup 1+ prefix-found cell+ ! ELSE - 2drop s" " prefix-found cell+ off + 2drop s" " prefix-off THEN ; : search-prefix ( addr1 len1 -- addr2 len2 ) @@ -226,16 +220,39 @@ Create prefix-found 0 , 0 , : kill-prefix ( key -- key ) dup #tab <> IF 0 0 prefix-found 2! THEN ; -' kill-prefix IS everychar +[IFUNDEF] everyline defer everyline [THEN] + +: 8-bit-io ( -- ) + ['] forw ctrl F bindkey + ['] back ctrl B bindkey + ['] ?del ctrl H bindkey + ['] eof ctrl D bindkey + ['] ctrl X bindkey + ['] next-line ctrl N bindkey + ['] prev-line ctrl P bindkey + ['] clear-tib ctrl K bindkey + ['] first-pos ctrl A bindkey + ['] end-pos ctrl E bindkey + ['] (enter) #lf bindkey + ['] (enter) #cr bindkey + ['] tab-expand #tab bindkey + ['] (ins) IS insert-char + ['] kill-prefix IS everychar + ['] noop IS everyline + [ action-of key ] Literal IS key + [ action-of emit ] Literal IS emit ; + +\ UTF-8 support + +include utf-8.fs + +: utf-8-cold ( -- ) + s" LANG" getenv s" .UTF-8" search nip nip + IF utf-8-io ELSE 8-bit-io THEN ; + +' utf-8-cold INIT8 chained -' next-line ctrl N bindkey -' prev-line ctrl P bindkey -' clear-tib ctrl K bindkey -' first-pos ctrl A bindkey -' end-pos ctrl E bindkey -' (enter) #lf bindkey -' (enter) #cr bindkey -' tab-expand #tab bindkey +utf-8-cold \ initializing history