version 1.12, 1996/08/21 14:58:41
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version 1.21, 2000/04/12 20:53:46
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Line 56 interpret/compile: ctrl ( "<char>" -- c
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Line 56 interpret/compile: ctrl ( "<char>" -- c
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\ history support 16oct94py |
\ history support 16oct94py |
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0 Value history |
0 Value history \ history file fid |
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2Variable forward^ |
2Variable forward^ |
2Variable backward^ |
2Variable backward^ |
2Variable end^ |
2Variable end^ |
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: force-open ( addr len -- handle ) |
: force-open ( addr len -- fid ) |
2dup r/w open-file 0< |
2dup r/w open-file |
IF drop r/w create-file throw ELSE nip nip THEN ; |
IF |
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drop r/w create-file throw |
: get-history ( addr len -- wid ) |
ELSE |
force-open to history |
nip nip |
history file-size throw |
THEN ; |
2dup forward^ 2! 2dup backward^ 2! end^ 2! ; |
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s" ~/.gforth-history" get-history |
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: history-cold |
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Defers 'cold |
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s" ~/.gforth-history" get-history ; |
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' history-cold IS 'cold |
s" os-class" environment? [IF] s" unix" compare 0= [ELSE] true [THEN] |
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[IF] |
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: history-file ( -- addr u ) |
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s" GFORTHHIST" getenv dup 0= IF |
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2drop s" ~/.gforth-history" |
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THEN ; |
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[ELSE] |
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: history-dir ( -- addr u ) |
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s" TMP" getenv ?dup ?EXIT drop |
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s" TEMP" getenv ?dup ?EXIT drop |
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s" c:/" ; |
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: history-file ( -- addr u ) |
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s" GFORTHHIST" getenv ?dup ?EXIT |
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drop |
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history-dir pad place |
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s" /ghist.fs" pad +place pad count ; |
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[THEN] |
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\ moving in history file 16oct94py |
\ moving in history file 16oct94py |
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Line 100 s" ~/.gforth-history" get-history
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Line 111 s" ~/.gforth-history" get-history
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hist-pos forward^ 2! |
hist-pos forward^ 2! |
tuck 2dup type 0 ; |
tuck 2dup type 0 ; |
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: prev-line ( max span addr pos1 -- max span addr pos2 false ) |
: find-prev-line ( max addr -- max span addr pos2 ) |
clear-line backward^ 2@ forward^ 2! |
backward^ 2@ forward^ 2! |
over 2 + negate s>d backward^ 2@ d+ 0. dmax 2dup hist-setpos |
over 2 + negate s>d backward^ 2@ d+ 0. dmax 2dup hist-setpos |
BEGIN |
BEGIN |
backward^ 2! 2dup get-line WHILE |
backward^ 2! 2dup get-line WHILE |
hist-pos 2dup forward^ 2@ d< WHILE |
hist-pos 2dup forward^ 2@ d< WHILE |
rot drop |
rot drop |
REPEAT 2drop THEN |
REPEAT 2drop THEN tuck ; |
tuck 2dup type 0 ; |
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: prev-line ( max span addr pos1 -- max span addr pos2 false ) |
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clear-line find-prev-line 2dup type 0 ; |
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Create lfpad #lf c, |
Create lfpad #lf c, |
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Line 180 Create prefix-found 0 , 0 ,
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Line 193 Create prefix-found 0 , 0 ,
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: search-prefix ( addr1 len1 -- addr2 len2 ) |
: search-prefix ( addr1 len1 -- addr2 len2 ) |
0 vp dup @ 1- cells over + |
0 vp dup @ 1- cells over + |
DO I 2@ <> |
DO I 2@ <> |
IF I cell+ @ @ swap search-voc THEN |
IF I cell+ @ wordlist-id @ swap search-voc THEN |
[ -1 cells ] Literal +LOOP |
[ -1 cells ] Literal +LOOP |
prefix-string ; |
prefix-string ; |
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Line 210 Create prefix-found 0 , 0 ,
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Line 223 Create prefix-found 0 , 0 ,
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' (enter) #lf cells ctrlkeys + ! |
' (enter) #lf cells ctrlkeys + ! |
' (enter) #cr cells ctrlkeys + ! |
' (enter) #cr cells ctrlkeys + ! |
' tab-expand #tab cells ctrlkeys + ! |
' tab-expand #tab cells ctrlkeys + ! |
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\ initializing history |
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: get-history ( addr len -- ) |
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['] force-open catch |
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?dup-if |
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\ !! >stderr |
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\ history-file type ." : " .error cr |
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drop 2drop |
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['] false ['] false ['] (ret) |
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else |
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to history |
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history file-size throw |
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2dup forward^ 2! 2dup backward^ 2! end^ 2! |
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['] next-line ['] prev-line ['] (enter) |
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endif |
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dup |
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[ #lf cells ctrlkeys + ]L ! |
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[ #cr cells ctrlkeys + ]L ! |
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[ ctrl P cells ctrlkeys + ]L ! |
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[ ctrl N cells ctrlkeys + ]L ! |
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; |
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: history-cold ( -- ) |
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history-file get-history ; |
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' history-cold INIT8 chained |
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history-cold |
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