urbit/lib/drum.hoon

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:: :: ::
:::: /hoon/drum/lib :: ::
:: :: ::
/? 310 :: version
/- sole
/+ sole
[. ^sole]
!: :: ::
:::: :: ::
:: :: ::
|% :: ::
++ drum-part {$drum $1 drum-pith} ::
++ drum-part-any ::
$: $drum ::
$% {$1 drum-pith} ::
{$0 drum-pith-0} ::
== == ::
++ drum-pith-0 :: old drum-pith
%+ cork drum-pith |= drum-pith ::
+<(bin *(map bone source-0)) ::
++ drum-pith ::
$: eel/(set gill) :: connect to
ray/(set well) ::
fur/(map dude (unit server)) :: servers
bin/(map bone source) :: terminals
== ::
++ drum-start well :: start (local) server
:: :: ::
:::: :: ::
:: :: ::
++ server :: running server
$: syd/desk :: app identity
cas/case :: boot case
== ::
++ kill-0 (unit (list @c)) :: old kill buffer
++ kill :: kill ring
$: pos/@ud :: ring position
num/@ud :: number of entries
max/_60 :: max entries
old/(list (list @c)) :: entries proper
== ::
++ source-0 :: old source without
%+ cork source |= source :: kill ring or
%= +< :: blt.target
kil *kill-0 ::
fug *(map gill (unit target-0)) ::
== ::
++ source :: input device
$: edg/_80 :: terminal columns
off/@ud :: window offset
kil/kill :: kill buffer
inx/@ud :: ring index
fug/(map gill (unit target)) :: connections
mir/(pair @ud (list @c)) :: mirrored terminal
== ::
++ master :: master buffer
$: liv/? :: master is live
tar/target :: master target
== ::
++ history :: past input
$: pos/@ud :: input position
num/@ud :: number of entries
lay/(map @ud (list @c)) :: editing overlay
old/(list (list @c)) :: entries proper
== ::
++ search :: reverse-i-search
$: pos/@ud :: search position
str/(list @c) :: search string
== ::
++ target-0 :: target without blt
(cork target |=(target |1.+<)) ::
++ target :: application target
$: blt/(pair (unit dill-belt) (unit dill-belt)) :: curr & prev belts
ris/(unit search) :: reverse-i-search
hit/history :: all past input
pom/sole-prompt :: static prompt
inp/sole-command :: input state
== ::
++ ukase :: master command
$% {$add p/(list gill)} :: attach to
{$del p/(list gill)} :: detach from
{$new p/(list well)} :: create
== ::
--
:: :: ::
:::: :: ::
:: :: ::
|%
++ deft-apes :: default servers
|= our/ship
%- ~(gas in *(set well))
=+ myr=(clan our)
?: =(%pawn myr)
[[%base %talk] [%base %dojo] ~]
?: =(%earl myr)
[[%home %dojo] ~]
[[%home %talk] [%home %dojo] ~]
::
++ deft-fish :: default connects
|= our/ship
%- ~(gas in *(set gill))
^- (list gill)
=+ myr=(clan our)
?: =(%earl myr)
[[(sein our) %talk] [our %dojo] ~]
[[our %talk] [our %dojo] ~]
::
++ deft-mast :: default master
|= our/ship
^- master
:* %&
[~ ~]
*(unit search)
*history
[%& %sole "{(scow %p our)}/ "]
*sole-command
==
::
++ deft-pipe :: default source
|= our/ship ::
^- source ::
:* 80 :: edg
0 :: off
[0 0 60 ~] :: kil
0 :: inx
~ :: fug
[0 ~] :: mir
==
::
++ deft-tart *target :: default target
++ drum-make :: initial part
|= our/ship
^- drum-part
:* %drum
%1
(deft-fish our) :: eel
(deft-apes our) :: ray
~ :: fur
~ :: bin
== ::
::
++ drum-port
|= old/drum-part-any
^- drum-part
?: ?=($1 &2.old) old
~& [%drum-porting &2.old]
=; bin [%drum %1 |2.old(bin bin)]
%- ~(run by bin.old)
|= source-0
%= +<
kil (kill ?~(kil ~ [1 1 60 [u.kil]~]))
fug %- ~(run by fug)
|= t/(unit target-0)
?~(t ~ [~ [[~ ~] u.t]])
==
::
++ drum-path :: encode path
|= gyl/gill
[%drum %phat (scot %p p.gyl) q.gyl ~]
::
++ drum-phat :: decode path
|= way/wire ^- gill
?>(?=({@ @ $~} way) [(slav %p i.way) i.t.way])
--
!:
::::
::
|= {bowl drum-part} :: main drum work
=+ (fall (~(get by bin) ost) (deft-pipe our))
=* dev -
=> |% :: arvo structures
++ pear :: request
$% {$sole-action p/sole-action} ::
{$talk-command command:talk} ::
== ::
++ lime :: update
$% {$dill-blit dill-blit} ::
== ::
++ card :: general card
$% {$conf wire dock $load ship term} ::
{$diff lime} ::
{$peer wire dock path} ::
{$poke wire dock pear} ::
{$pull wire dock $~} ::
== ::
++ move (pair bone card) :: user-level move
--
|_ {moz/(list move) biz/(list dill-blit)}
++ diff-sole-effect-phat ::
|= {way/wire fec/sole-effect}
=< se-abet =< se-view
=+ gyl=(drum-phat way)
?: (se-aint gyl) +>.$
(se-diff gyl fec)
::
++ peer ::
|= pax/path =< se-abet
^+ +>
?. ?| =(our src) :: ourself
&(=(%duke (clan our)) =(our (sein src))) :: or our own yacht
== ::
~| [%drum-unauthorized our+our src+src] :: very simplistic
!!
se-view:(se-text "[{<src>}, driving {<our>}]")
::
++ poke-dill-belt ::
|= bet/dill-belt
=< se-abet =< se-view
(se-belt bet)
::
++ poke-start ::
|= wel/well
=< se-abet =< se-view
(se-born wel)
::
++ poke-link ::
|= gyl/gill
=< se-abet =< se-view
(se-link gyl)
::
++ poke-unlink ::
|= gyl/gill
=< se-abet =< se-view
(se-klin gyl)
::
:: ++ poke-exit ::
:: |=(~ se-abet:(se-blit `dill-blit`[%qit ~])) :: XX find bone
:: ::
++ reap-phat ::
|= {way/wire saw/(unit tang)}
=< se-abet =< se-view
=+ gyl=(drum-phat way)
?~ saw
(se-join gyl)
(se-dump:(se-drop & gyl) u.saw)
::
++ take-coup-phat ::
|= {way/wire saw/(unit tang)}
=< se-abet =< se-view
?~ saw +>
=+ gyl=(drum-phat way)
?: (se-aint gyl) +>.$
=. u.saw :_(u.saw >[%drum-coup-fail src ost gyl]<)
(se-dump:(se-drop & gyl) u.saw)
::
++ take-onto ::
|= {way/wire saw/(each suss tang)}
=< se-abet =< se-view
?> ?=({@ @ $~} way)
?> (~(has by fur) i.t.way)
=+ wel=`well`[i.way i.t.way]
?- -.saw
$| (se-dump p.saw)
$& ?> =(q.wel p.p.saw)
:: =. +>.$ (se-text "live {<p.saw>}")
+>.$(fur (~(put by fur) q.wel `[p.wel %da r.p.saw]))
==
::
++ quit-phat ::
|= way/wire
=< se-abet =< se-view
=+ gyl=(drum-phat way)
~& [%drum-quit src ost gyl]
(se-drop %| gyl)
:: :: ::
:::: :: ::
:: :: ::
++ se-abet :: resolve
^- (quip move *drum-part)
?. se-ably
=. . se-adit
[(flop moz) +>+>+<+]
=. . se-subze:se-adze:se-adit
:_ %_(+>+>+<+ bin (~(put by bin) ost `source`+>+<))
^- (list move)
%+ welp (flop moz)
^- (list move)
?~ biz ~
[ost %diff %dill-blit ?~(t.biz i.biz [%mor (flop biz)])]~
::
++ se-ably (~(has by sup) ost) :: caused by console
++ se-adit :: update servers
^+ .
%+ roll (~(tap in ray))
=< .(con +>)
|= {wel/well con/_..se-adit} ^+ con
=. +>.$ con
=+ hig=(~(get by fur) q.wel)
?: &(?=(^ hig) |(?=($~ u.hig) =(p.wel syd.u.u.hig))) +>.$
=. +>.$ (se-text "activated app {(trip p.wel)}/{(trip q.wel)}")
%- se-emit(fur (~(put by fur) q.wel ~))
[ost %conf [%drum p.wel q.wel ~] [our q.wel] %load our p.wel]
::
++ se-adze :: update connections
^+ .
%+ roll (~(tap in eel))
=< .(con +>)
|= {gil/gill con/_.} ^+ con
=. +>.$ con
?: (~(has by fug) gil)
+>.$
(se-peer gil)
::
++ se-subze :: downdate connections
=< .(dev (~(got by bin) ost))
=. bin (~(put by bin) ost dev)
^+ .
%- ~(rep by bin)
=< .(con +>)
|= {{ost/bone dev/source} con/_.} ^+ con
=+ xeno=se-subze-local:%_(con ost ost, dev dev)
xeno(ost ost.con, dev dev.con, bin (~(put by bin) ost dev.xeno))
::
++ se-subze-local
^+ .
%- ~(rep by fug)
=< .(con +>)
|= {{gil/gill *} con/_.} ^+ con
=. +>.$ con
?: (~(has in eel) gil)
+>.$
(se-nuke gil)
::
++ se-aint :: ignore result
|= gyl/gill
^- ?
?. (~(has by bin) ost) &
=+ gyr=(~(get by fug) gyl)
|(?=($~ gyr) ?=({$~ $~} gyr))
::
++ se-alas :: recalculate index
|= gyl/gill
^+ +>
=+ [xin=0 wag=se-amor]
?: =(~ wag) +>.$(inx 0)
|- ^+ +>.^$
?~ wag +>.^$(inx 0)
?: =(i.wag gyl) +>.^$(inx xin)
$(wag t.wag, xin +(xin))
::
++ se-amor :: live targets
^- (list gill)
(skim (~(tap in eel)) |=(gill ?=({$~ $~ *} (~(get by fug) +<))))
::
++ se-anon :: rotate index
=+ wag=se-amor
?~ wag +
:: ~& [%se-anon inx+inx wag+wag nex+(mod +(inx) (lent se-amor))]
+(inx (mod +(inx) (lent se-amor)))
::
++ se-agon :: current gill
^- (unit gill)
=+ wag=se-amor
?~ wag ~
`(snag inx se-amor)
::
++ se-belt :: handle input
|= bet/dill-belt
^+ +>
?: ?=($rez -.bet)
+>(edg (dec p.bet))
?: ?=($yow -.bet)
~& [%no-yow -.bet]
+>
=+ gul=se-agon
=+ tur=`(unit (unit target))`?~(gul ~ (~(get by fug) u.gul))
?: |(=(~ gul) =(~ tur) =([~ ~] tur)) (se-blit %bel ~)
=+ taz=~(. ta [& (need gul)] `target`(need (need tur)))
=. blt.taz [q.blt.taz `bet]
=< ta-abet
?- -.bet
$aro (ta-aro:taz p.bet)
$bac ta-bac:taz
$cru (ta-cru:taz p.bet q.bet)
$ctl (ta-ctl:taz p.bet)
$del ta-del:taz
$hey taz(mir [0 ~])
$met (ta-met:taz p.bet)
$ret ta-ret:taz
$txt (ta-txt:taz p.bet)
==
::
++ se-born :: new server
|= wel/well
^+ +>
?: (~(has in ray) wel)
(se-text "[already running {<p.wel>}/{<q.wel>}]")
+>(ray (~(put in ray) wel), eel (~(put in eel) [our q.wel]))
::
++ se-drop :: disconnect
|= {pej/? gyl/gill}
^+ +>
=+ lag=se-agon
?. (~(has by fug) gyl) +>.$
=. fug (~(del by fug) gyl)
=. eel ?.(pej eel (~(del in eel) gyl))
=. +>.$ ?. &(?=(^ lag) !=(gyl u.lag))
+>.$(inx 0)
(se-alas u.lag)
=. +>.$ (se-text "[unlinked from {<gyl>}]")
?: =(gyl [our %dojo]) :: undead dojo
(se-link gyl)
+>.$
::
++ se-dump :: print tanks
|= tac/(list tank)
^+ +>
?. se-ably (se-talk tac)
=+ wol=`wall`(zing (turn (flop tac) |=(a/tank (~(win re a) [0 edg]))))
|- ^+ +>.^$
?~ wol +>.^$
$(wol t.wol, +>.^$ (se-blit %out (tuba i.wol)))
::
++ se-joke :: prepare connection
|= gyl/gill
^+ +>
=+ lag=se-agon
?~ lag +>.$
?: =(~ fug) +>.$
(se-alas(fug (~(put by fug) gyl ~)) u.lag)
::
++ se-join :: confirm connection
|= gyl/gill
^+ +>
=. +> (se-text "[linked to {<gyl>}]")
?> =(~ (~(got by fug) gyl))
(se-alas(fug (~(put by fug) gyl `*target)) gyl)
::
++ se-nuke :: teardown
|= gyl/gill
^+ +>
(se-drop:(se-pull gyl) & gyl)
::
++ se-like :: act in master
|= kus/ukase
?- -.kus
$add
|- ^+ +>.^$
?~ p.kus +>.^$
$(p.kus t.p.kus, +>.^$ (se-link i.p.kus))
::
$del
|- ^+ +>.^$
?~ p.kus +>.^$
$(p.kus t.p.kus, +>.^$ (se-nuke i.p.kus))
::
$new
|- ^+ +>.^$
?~ p.kus +>.^$
$(p.kus t.p.kus, +>.^$ (se-born i.p.kus))
==
::
++ se-plot :: status line
^- tape
=+ lag=se-agon
=+ ^= pry
|= gill ^- tape
=+((trip q.+<) ?:(=(our p.+>-) - :(welp (scow %p p.+>-) "/" -)))
=+ ^= yey
|= gill ^- tape
=+((pry +<) ?:(=(lag `+>-) ['*' -] -))
=+ ^= yal ^- (list tape)
%+ weld
^- (list tape)
%+ turn (~(tap by fug))
|= {a/gill b/(unit target)}
=+ c=(yey a)
?~(b ['?' c] c)
^- (list tape)
%+ turn (skip (~(tap by fur)) |=({term *} (~(has by fug) [our +<-])))
|=({term *} ['-' (pry our +<-)])
|- ^- tape
?~ yal ~
?~ t.yal i.yal
:(welp i.yal ", " $(yal t.yal))
::
++ se-klin :: disconnect app
|= gyl/gill
+>(eel (~(del in eel) gyl))
::
++ se-link :: connect to app
|= gyl/gill
+>(eel (~(put in eel) gyl))
::
++ se-blit :: give output
|= bil/dill-blit
+>(biz [bil biz])
::
++ se-show :: show buffer, raw
|= lin/(pair @ud (list @c))
^+ +>
?: =(mir lin) +>
=. +> ?:(=(q.mir q.lin) +> (se-blit %pro q.lin))
=. +> ?:(=(p.mir p.lin) +> (se-blit %hop p.lin))
+>(mir lin)
::
++ se-just :: adjusted buffer
|= lin/(pair @ud (list @c))
^+ +>
=. off ?:((lth p.lin edg) 0 (sub p.lin edg))
(se-show (sub p.lin off) (scag edg (slag off q.lin)))
::
++ se-view :: flush buffer
=+ gul=se-agon
?~ gul +
=+ gyr=(~(get by fug) u.gul)
?~ gyr +>
?~ u.gyr +>
%- se-just
~(ta-vew ta [& u.gul] u.u.gyr)
::
++ se-emit :: emit move
|= mov/move
%_(+> moz [mov moz])
::
++ se-talk
|= tac/(list tank)
^+ +>
:: XX talk should be usable for stack traces, see urbit#584 which this change
:: closed for the problems there
((slog (flop tac)) +>)
::(se-emit 0 %poke /drum/talk [our %talk] (said:talk our %drum now eny tac))
::
++ se-text :: return text
|= txt/tape
^+ +>
?. se-ably (se-talk [%leaf txt]~)
(se-blit %out (tuba txt))
::
++ se-poke :: send a poke
|= {gyl/gill par/pear}
(se-emit ost %poke (drum-path gyl) gyl par)
::
++ se-peer :: send a peer
|= gyl/gill
(se-emit(fug (~(put by fug) gyl ~)) ost %peer (drum-path gyl) gyl /sole)
::
++ se-pull :: cancel subscription
|= gyl/gill
(se-emit ost %pull (drum-path gyl) gyl ~)
::
++ se-tame :: switch connection
|= gyl/gill
^+ ta
~(. ta [& gyl] (need (~(got by fug) gyl)))
::
++ se-diff :: receive results
|= {gyl/gill fec/sole-effect}
^+ +>
ta-abet:(ta-fec:(se-tame gyl) fec)
::
++ ta :: per target
|_ $: $: liv/? :: don't delete
gyl/gill :: target app
== ::
target :: target state
== ::
++ ta-abet :: resolve
^+ ..ta
?. liv
?: (~(has in (deft-fish our)) gyl)
(se-blit qit+~)
(se-nuke gyl)
..ta(fug (~(put by fug) gyl ``target`+<+))
::
++ ta-poke |=(a/pear +>(..ta (se-poke gyl a))) :: poke gyl
::
++ ta-act :: send action
|= act/sole-action
^+ +>
(ta-poke %sole-action act)
::
++ ta-aro :: hear arrow
|= key/?($d $l $r $u)
^+ +>
?- key
$d =. ris ~
?. =(num.hit pos.hit)
(ta-mov +(pos.hit))
?: =(0 (lent buf.say.inp))
ta-bel
(ta-hom:ta-nex %set ~)
$l ?: =(0 pos.inp) ta-bel
+>(pos.inp (dec pos.inp), ris ~)
$r ?: =((lent buf.say.inp) pos.inp)
ta-bel
+>(pos.inp +(pos.inp), ris ~)
$u =. ris ~
?:(=(0 pos.hit) ta-bel (ta-mov (dec pos.hit)))
==
::
++ ta-bel :: beep
.(+> (se-blit %bel ~), q.blt ~)
++ ta-cat :: mass insert
|= {pos/@ud txt/(list @c)}
^- sole-edit
:- %mor
|- ^- (list sole-edit)
?~ txt ~
[[%ins pos i.txt] $(pos +(pos), txt t.txt)]
::
++ ta-cut :: mass delete
|= {pos/@ud num/@ud}
^- sole-edit
:- %mor
|-(?:(=(0 num) ~ [[%del pos] $(num (dec num))]))
::
++ ta-det :: send edit
|= ted/sole-edit
^+ +>
(ta-act %det [[his.ven.say.inp own.ven.say.inp] (sham buf.say.inp) ted])
::
++ ta-bac :: hear backspace
^+ .
?^ ris
?: =(~ str.u.ris)
ta-bel
.(str.u.ris (scag (dec (lent str.u.ris)) str.u.ris))
?: =(0 pos.inp)
?: =(0 (lent buf.say.inp))
(ta-act %clr ~)
:: .(+> (se-blit %bel ~))
ta-bel
=+ pre=(dec pos.inp)
(ta-hom %del pre)
::
++ ta-kil :: build kil
|= {a/?($l $r) b/(list @c)}
^- kill
=+ max=|=(a/(list (list @c)) (scag max.kil a))
?. ?& ?=(^ p.blt)
?| ?=({$ctl p/?($k $u $w)} u.p.blt)
?=({$met p/?($d $bac)} u.p.blt)
== ==
%= kil
num +(num.kil)
pos +(num.kil)
old (max [b old.kil])
==
%= kil
pos num.kil
old ?~ old.kil
[b]~
%- max
:_ t.old.kil
?- a
$l (welp b i.old.kil)
$r (welp i.old.kil b)
==
==
::
++ ta-ctl :: hear control
|= key/@ud
^+ +>
?+ key ta-bel
$a +>(pos.inp 0, ris ~)
$b (ta-aro %l)
$c ta-bel(ris ~)
$d ?: &(=(0 pos.inp) =(0 (lent buf.say.inp)))
+>(liv |)
ta-del
$e +>(pos.inp (lent buf.say.inp))
$f (ta-aro %r)
$g ?~ ris ta-bel
(ta-hom(pos.hit num.hit, ris ~) [%set ~])
$k =+ len=(lent buf.say.inp)
?: =(pos.inp len)
ta-bel
%- %= ta-hom
ris ~
kil (ta-kil %r (slag pos.inp buf.say.inp))
==
(ta-cut pos.inp (sub len pos.inp))
$l +>(+> (se-blit %clr ~))
$n (ta-aro %d)
$p (ta-aro %u)
$r ?~ ris
+>(ris `[pos.hit ~])
?: =(0 pos.u.ris)
ta-bel
(ta-ser ~)
$t =+ len=(lent buf.say.inp)
?: |(=(0 pos.inp) (lth len 2))
ta-bel
=+ sop=?:(=(len pos.inp) (dec pos.inp) pos.inp)
=. pos.inp +(sop)
=. ris ~
%- ta-hom
:~ %mor
[%del sop]
[%ins (dec sop) (snag sop buf.say.inp)]
==
$u ?: =(0 pos.inp)
ta-bel
%- %= ta-hom
ris ~
kil (ta-kil %l (scag pos.inp buf.say.inp))
==
(ta-cut 0 pos.inp)
$v ta-bel
$w ?: =(0 pos.inp)
ta-bel
=+ b=(bwrd pos.inp buf.say.inp nace)
%- %= ta-hom
ris ~
kil (ta-kil %l (slag b (scag pos.inp buf.say.inp)))
==
(ta-cut b (sub pos.inp b))
$x +>(+> se-anon)
$y ?: =(0 num.kil)
ta-bel
%- ta-hom(ris ~)
(ta-cat pos.inp (snag (sub num.kil pos.kil) old.kil))
==
::
++ ta-cru :: hear crud
|= {lab/@tas tac/(list tank)}
=. +>+> (se-text (trip lab))
(ta-tan tac)
::
++ ta-del :: hear delete
^+ .
?: =((lent buf.say.inp) pos.inp)
.(+> (se-blit %bel ~))
(ta-hom %del pos.inp)
::
++ ta-erl :: hear local error
|= pos/@ud
ta-bel(pos.inp (min pos (lent buf.say.inp)))
::
++ ta-err :: hear remote error
|= pos/@ud
(ta-erl (~(transpose sole say.inp) pos))
::
++ ta-fec :: apply effect
|= fec/sole-effect
^+ +>
?- -.fec
$bel ta-bel
$blk +>
$clr +>(+> (se-blit fec))
$det (ta-got +.fec)
$err (ta-err +.fec)
$mor |- ^+ +>.^$
?~ p.fec +>.^$
$(p.fec t.p.fec, +>.^$ ^$(fec i.p.fec))
$nex ta-nex
$pro (ta-pro +.fec)
$tan (ta-tan p.fec)
$sag +>(+> (se-blit fec))
$sav +>(+> (se-blit fec))
$txt $(fec [%tan [%leaf p.fec]~])
$url +>(+> (se-blit fec))
==
::
++ ta-dog :: change cursor
|= ted/sole-edit
%_ +>
pos.inp
=+ len=(lent buf.say.inp)
%+ min len
|- ^- @ud
?- -.ted
$del ?:((gth pos.inp p.ted) (dec pos.inp) pos.inp)
$ins ?:((gte pos.inp p.ted) +(pos.inp) pos.inp)
$mor |- ^- @ud
?~ p.ted pos.inp
$(p.ted t.p.ted, pos.inp ^$(ted i.p.ted))
$nop pos.inp
$set len
==
==
::
++ ta-got :: apply change
|= cal/sole-change
=^ ted say.inp (~(receive sole say.inp) cal)
(ta-dog ted)
::
++ ta-hom :: local edit
|= ted/sole-edit
^+ +>
=. +> (ta-det ted)
=. +> (ta-dog(say.inp (~(commit sole say.inp) ted)) ted)
+>
::
++ lcas :: lowercase
|* a/(list @)
^+ a
%+ turn a
|=(a/@ ?.(&((gte a 'A') (lte a 'Z')) a (add 32 a)))
::
++ ucas :: uppercase
|* a/(list @)
^+ a
%+ turn a
|=(a/@ ?.(&((gte a 'a') (lte a 'z')) a (sub a 32)))
::
++ alnm :: alpha-numeric
|= a/@ ^- ?
?| &((gte a '0') (lte a '9'))
&((gte a 'A') (lte a 'Z'))
&((gte a 'a') (lte a 'z'))
==
::
++ nace :: next ace offset
|= a/(list @)
=| i/@ud
=+ b=|
|- ^+ i
?~ a i
=+ c=.=(32 i.a)
=. b |(b c)
?: &(b !|(=(0 i) c))
i
$(i +(i), a t.a)
::
++ nedg :: next boundary offset
|= a/(list @)
=| i/@ud
=+ b=|
|- ^+ i
?~ a i
=+ c=(alnm i.a)
=. b |(b c)
?: &(b !|(=(0 i) c))
i
$(i +(i), a t.a)
::
++ nwrd :: word-offset
|= a/(list @)
=| i/@ud
|- ^+ i
?: |(?=($~ a) (alnm i.a))
i
$(i +(i), a t.a)
::
++ bwrd :: prev pos by offset
|= {a/@ud b/(list @) c/$-((list @) @)}
^- @ud
(sub a (c (flop (scag a b))))
::
++ fwrd :: next pos by offset
|= {a/@ud b/(list @) c/$-((list @) @)}
^- @ud
(add a (c (slag a b)))
::
++ ta-met :: meta key
|= key/@ud
?+ key ta-bel
$dot ?. &(?=(^ old.hit) ?=(^ -.old.hit))
ta-bel
=+ old=`(list @c)`-.old.hit
=+ b=(bwrd (lent old) old nedg)
%- ta-hom(ris ~)
(ta-cat pos.inp (slag b old))
::
$bac ?: =(0 pos.inp)
ta-bel
=+ b=(bwrd pos.inp buf.say.inp nedg)
%- %= ta-hom
ris ~
kil (ta-kil %l (slag b (scag pos.inp buf.say.inp)))
==
(ta-cut b (sub pos.inp b))
::
$b ?: =(0 pos.inp)
ta-bel
+>(pos.inp (bwrd pos.inp buf.say.inp nedg))
::
$c ?: =(pos.inp (lent buf.say.inp))
ta-bel
=+ sop=(fwrd pos.inp buf.say.inp nwrd)
%- ta-hom(pos.inp (fwrd sop buf.say.inp nedg))
:~ %mor
[%del sop]
:+ %ins sop
(head (ucas (limo [(snag sop buf.say.inp)]~)))
==
::
$d ?: =(pos.inp (lent buf.say.inp))
ta-bel
=+ f=(fwrd pos.inp buf.say.inp nedg)
%- %= ta-hom
ris ~
kil (ta-kil %r (slag pos.inp (scag f buf.say.inp)))
==
(ta-cut pos.inp (sub f pos.inp))
::
$f ?: =(pos.inp (lent buf.say.inp))
ta-bel
+>(pos.inp (fwrd pos.inp buf.say.inp nedg))
::
$r %- ta-hom(lay.hit (~(put by lay.hit) pos.hit ~))
:~ %mor
(ta-cut 0 (lent buf.say.inp))
%+ ta-cat 0
?: =(pos.hit num.hit) ~
(snag (sub num.hit +(pos.hit)) old.hit)
==
::
$t =+ a=(fwrd pos.inp buf.say.inp nedg)
=+ b=(bwrd a buf.say.inp nedg)
=+ c=(bwrd b buf.say.inp nedg)
?: =(b c)
ta-bel
=+ prev=`(pair @ud @ud)`[c (fwrd c buf.say.inp nedg)]
=+ next=`(pair @ud @ud)`[b a]
%- ta-hom(pos.inp q.next)
:~ %mor
(ta-cut p.next (sub q.next p.next))
(ta-cat p.next (slag p.prev (scag q.prev buf.say.inp)))
(ta-cut p.prev (sub q.prev p.prev))
(ta-cat p.prev (slag p.next (scag q.next buf.say.inp)))
==
::
?($u $l)
?: =(pos.inp (lent buf.say.inp))
ta-bel
=+ case=?:(?=($u key) ucas lcas)
=+ sop=(fwrd pos.inp buf.say.inp nwrd)
=+ f=(fwrd sop buf.say.inp nedg)
%- ta-hom
:~ %mor
(ta-cut sop (sub f pos.inp))
(ta-cat sop (case (slag sop (scag f buf.say.inp))))
==
::
$y ?. ?& (gth num.kil 0)
?=(^ p.blt)
?| ?=({$ctl p/$y} u.p.blt)
?=({$met p/$y} u.p.blt)
== ==
ta-bel
=+ las=(lent (snag (sub num.kil pos.kil) old.kil))
=+ sop=(sub pos.inp las)
=+ pos=?:(=(1 pos.kil) num.kil (dec pos.kil))
%- ta-hom(pos.kil pos, ris ~)
:~ %mor
(ta-cut sop las)
(ta-cat sop (snag (sub num.kil pos) old.kil))
==
==
::
++ ta-mov :: move in history
|= sop/@ud
^+ +>
?: =(sop pos.hit) +>
%+ %= ta-hom
pos.hit sop
lay.hit %+ ~(put by lay.hit)
pos.hit
buf.say.inp
==
%set
%- (bond |.((snag (sub num.hit +(sop)) old.hit)))
(~(get by lay.hit) sop)
::
++ ta-nex :: advance history
?: ?| =(0 (lent buf.say.inp))
&(?=(^ old.hit) =(-.old.hit buf.say.inp))
==
%_(. pos.hit num.hit, ris ~, lay.hit ~)
%_ .
num.hit +(num.hit)
pos.hit +(num.hit)
ris ~
lay.hit ~
old.hit [buf.say.inp old.hit]
==
::
++ ta-pro :: set prompt
|= pom/sole-prompt
+>(pom pom(cad :(welp (scow %p p.gyl) ":" (trip q.gyl) cad.pom)))
::
++ ta-ret :: hear return
(ta-act %ret ~)
::
++ ta-ser :: reverse search
|= ext/(list @c)
^+ +>
?: |(?=($~ ris) =(0 pos.u.ris)) ta-bel
=+ sop=?~(ext (dec pos.u.ris) pos.u.ris)
=+ tot=(weld str.u.ris ext)
=+ dol=(slag (sub num.hit sop) old.hit)
=+ ^= ser
=+ ^= beg
|= {a/(list @c) b/(list @c)} ^- ?
?~(a & ?~(b | &(=(i.a i.b) $(a t.a, b t.b))))
|= {a/(list @c) b/(list @c)} ^- ?
?~(a & ?~(b | |((beg a b) $(b t.b))))
=+ ^= sup
|- ^- (unit @ud)
?~ dol ~
?: (ser tot i.dol)
`sop
$(sop (dec sop), dol t.dol)
?~ sup ta-bel
(ta-mov(str.u.ris tot, pos.u.ris u.sup) (dec u.sup))
::
++ ta-tan :: print tanks
|= tac/(list tank)
=+ wol=`wall`(zing (turn (flop tac) |=(a/tank (~(win re a) [0 edg]))))
|- ^+ +>.^$
?~ wol +>.^$
$(wol t.wol, +>+>.^$ (se-text i.wol))
::
++ ta-txt :: hear text
|= txt/(list @c)
^+ +>
?^ ris
(ta-ser txt)
%- ta-hom
:- %mor
|- ^- (list sole-edit)
?~ txt ~
[[%ins pos.inp i.txt] $(pos.inp +(pos.inp), txt t.txt)]
::
++ ta-vew :: computed prompt
|- ^- (pair @ud (list @c))
?^ ris
%= $
ris ~
cad.pom
:(welp "(reverse-i-search)'" (tufa str.u.ris) "': ")
==
=- [(add pos.inp (lent p.vew)) (weld (tuba p.vew) q.vew)]
^= vew ^- (pair tape (list @c))
?: vis.pom [cad.pom buf.say.inp]
:- ;: welp
cad.pom
?~ buf.say.inp ~
;: welp
"<"
(scow %p (end 4 1 (sham buf.say.inp)))
"> "
==
==
=+ len=(lent buf.say.inp)
|- ^- (list @c)
?:(=(0 len) ~ [`@c`'*' $(len (dec len))])
--
--