--- gforth/history.fs 1999/12/12 12:49:51 1.18 +++ gforth/history.fs 1999/12/12 18:35:54 1.19 @@ -63,9 +63,12 @@ interpret/compile: ctrl ( "" -- c 2Variable end^ : force-open ( addr len -- fid ) - 2dup r/w open-file 0< - IF drop r/w create-file - throw ELSE nip nip THEN ; + 2dup r/w open-file + IF + drop r/w create-file throw + ELSE + nip nip + THEN ; s" os-class" environment? [IF] s" unix" compare 0= [ELSE] true [THEN] [IF] @@ -87,19 +90,6 @@ s" os-class" environment? [IF] s" unix" s" /ghist.fs" pad +place pad count ; [THEN] -: get-history ( addr len -- ) - ['] force-open catch - dup 0< IF ." can't open " history-file type cr throw THEN drop - to history - history file-size throw - 2dup forward^ 2! 2dup backward^ 2! end^ 2! ; - -: history-cold ( -- ) - history-file get-history ; - -' history-cold INIT8 chained -history-cold - \ moving in history file 16oct94py : clear-line ( max span addr pos1 -- max addr ) @@ -231,3 +221,31 @@ Create prefix-found 0 , 0 , ' (enter) #lf cells ctrlkeys + ! ' (enter) #cr cells ctrlkeys + ! ' tab-expand #tab cells ctrlkeys + ! + +\ initializing history + +: get-history ( addr len -- ) + ['] force-open catch + ?dup-if + \ !! >stderr + history-file type ." : " .error cr 2drop + ['] false ['] false ['] (ret) + else + to history + history file-size throw + 2dup forward^ 2! 2dup backward^ 2! end^ 2! + ['] next-line ['] prev-line ['] (enter) + endif + dup + [ #lf cells ctrlkeys + ]L ! + [ #cr cells ctrlkeys + ]L ! + [ ctrl P cells ctrlkeys + ]L ! + [ ctrl N cells ctrlkeys + ]L ! +; + +: history-cold ( -- ) + history-file get-history ; + +' history-cold INIT8 chained +history-cold +