shrub/sys/arvo.hoon

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!: :: /sys/arvo
:: :: %reference/2
:: %arvo: arvo microkernel.
::
=< :: this lifecycle wrapper makes the arvo door
:: (multi-armed core) look like a gate (function
:: or single-armed core), to fit urbit's formal
:: lifecycle function. a practical interpreter
:: can ignore it.
::
|= {now/@da ovo/ovum}
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~> %slog.[0 leaf+"arvo-event"]
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.(+> +:(poke now ovo))
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=>
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:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (1) public molds
:: :: ::
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|%
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++ arms (map chip dope) :: stated identity
++ bait :: analysis state
$: now/@da :: date
eny/@uvJ :: entropy
sky/roof :: namespace
== ::
++ card {p/@tas q/*} :: tagged event
++ case :: version
$% {$da p/@da} :: date
{$tas p/@tas} :: label
{$ud p/@ud} :: sequence
== ::
++ cave (cask maze) :: marked untyped vase
++ chip :: standard identity
$? $giv :: given name
$fam :: surname
$had :: fictitious name
$mid :: middle name
$gen :: generational suffix
== ::
++ desk @tas :: ship desk case spur
++ dope (pair @tas @t) :: term/unicode pair
++ duct (list wire) :: causal history
++ maze {p/* q/*} :: untyped vase
++ ovum (pair wire card) :: input or output
++ plum (pair term noun) :: deep file
++ ruby @pG :: 64-bit passcode
++ roof (room vase) :: namespace
++ rook (room maze) :: meta-namespace
++ room :: either namespace
|* vase/mold :: vase or maze
$- $: lyc/(unit (set ship)) :: leakset
car/term :: perspective
bem/beam :: path
== ::
%- unit :: ~: unknown
%- unit :: ~ ~: invalid
(cask vase) :: marked cargo
:: ::
++ ship @p :: network identity
++ vane :: kernel module
|* $: $: task/mold :: ->$ in request
gift/mold :: <-$ out result
sign/mold :: $<- in result
note/mold :: $-> out request
== ::
mind/mold :: current state
tomb/mold :: prior state
== ::
=* move ::
$% {$give p/gift} :: return
{$pass p/path q/note} :: invoke
== ::
$_ ^? ::
|_ mind :: active state
++ load $-(tomb _+>) :: reload
++ stay *mind :: preserve
++ plow :: work in time
|_ $: now/@da :: date
eny/@uvJ :: entropy
sky/roof :: namespace
== ::
++ doze *(unit @da) :: awake when
++ peek roof :: local namespace
++ spin :: work on state
|_ $: hen/duct :: cause stack
moz/(list move) :: moves, inverted
== ::
++ call |=(task +>) :: forward effect
++ take |=({wire sign} +>) :: backward effect
-- ::
-- ::
-- ::
++ wire path :: cause
-- =>
:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (2) state molds
:: :: ::
|%
++ evil :: evolvable state
|* {span/_span twig/_twig vase/_vase} :: injected molds
|% ::
++ ball :: arvo vane move
$% {$give p/mill} :: vane "return"
{$pass p/wire q/(pair term mill)} :: vane "call"
== ::
++ mall :: any arvo version
$? {$293 mast} :: kelvin 293, current
== ::
++ mast :: system state
$: $= gut :: abdomen
$: run/(list move) :: worklist
out/(list ovum) :: unix output
but/(unit seed) :: reboot
== ::
$= hax :: thorax
$: sac/worm :: compiler cache
== ::
$= bug :: insect brain
$: noc/@ta :: process nonce
ver/(qual @tas @ud @ud @ud) :: vendor/version
== ::
$= mal :: mammal brain
$: off/? :: not yet booted
lac/_| :: not verbose
eny/@uvJ :: 512-bit entropy
yor/vase :: %york, vane models
zus/vase :: %zuse, user lib
van/(map term vase) :: vanes
== ::
$= rep :: reptile brain
$: orb/@p :: ship
nym/arms :: name information
roy/(map @ud ruby) :: start secrets
fat/(map path (pair term noun)) :: boot filesystem
== == ::
++ mill (each vase maze) :: vase or metavase
++ move (pair duct ball) :: vane move
++ worm :: compiler cache
$: nes/(set ^) :: ++nest
pay/(map (pair span twig) span) :: ++play
mit/(map (pair span twig) (pair span nock)) :: ++mint
== ::
-- ::
++ hoof @t :: hoon source file
++ live (evil) :: modern molds
++ seed (pair (unit hoof) hoof) :: hoon/arvo boot src
++ vile (evil typo twit vise) :: old molds
++ wasp :: arvo effect
$% {$wack p/@uvJ} :: add entropy
{$what p/(list (pair path (pair term noun)))} :: reset reptile files
{$whim p/arms} :: reset arms
{$wise p/(map @ud ruby)} :: reset secrets
{$whom p/@p} :: set identity; boot
== ::
-- =>
:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (3) engines
:: :: ::
|%
:: :: ++le
++ le :: deep engine
=+ [now=*@da *mall:live]
=* ::
:: sys: system state
::
sys ->
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|%
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:: :: ++abet:le
++ abet :: complete cycle
^- {(each (list ovum) seed) _sys}
?^ but.gut
[[%| u.but.gut] sys]
[[%& (flop out.gut)] sys(out.gut ~)]
:: :: ++boot:le
++ boot :: reboot
|= $: :: hyn: optional hoon.hoon source
:: ars: arvo.hoon source
::
hyn/(unit @t)
ars/@t
==
^- {* *}
?~ hyn
:: hon: hoon kernel as a vase
:: are: arvo kernel as a vase
:: arc: arvo core as a vase
:: lod: load gate on arvo core
::
=/ hon !>(..ride)
~& [%compile-arvo `@p`(mug p.hon) `@p`(mug ars)]
=* are (slap hon (ream ars))
=* arc (slot 7 are)
=* lod (slap arc [%limb %load])
(^ q:(slam lod !>([now sys])))
::
:: compile the hoon.hoon source with the current compiler
::
~& [%hoon-compile `@p`(mug u.hyn)]
=+ raw=(ride %noun u.hyn)
::
:: activate the new compiler gate
::
=+ cop=.*(0 +.raw)
::
:: find the hoon version number of the new kernel
::
=+ nex=(@ .*(cop q:(~(mint ut p.raw) %noun [%limb %hoon])))
?> |(=(nex hoon) =(+(nex) hoon))
::
:: if we're upgrading language versions, recompile the compiler
::
=> ?: =(nex hoon)
[hot=`*`raw .]
~& [%hoon-compile-upgrade nex]
=+ hot=.*(cop(+< [%noun u.hyn]) -.cop)
.(cop .*(0 +.hot))
::
:: extract the hoon core from the outer gate
::
=+ hoc=.*(cop [0 7])
::
:: compute the span of the hoon.hoon core
::
=+ hyp=-:.*(cop(+< [-.hot '+>']) -.cop)
::
:: compile arvo
::
~& [%compile-arvo `@p`(mug hyp) `@p`(mug ars)]
=+ rav=.*(cop(+< [hyp ars]) -.cop)
::
:: create the arvo kernel
::
=+ arv=.*(hoc +.rav)
::
:: extract the arvo core from the outer gate
::
=+ voc=.*(arv [0 7])
::
:: compute the span of the arvo.hoon core
::
=+ vip=-:.*(cop(+< [-.rav '+>']) -.cop)
::
:: entry gate: ++load for the normal case, ++come for upgrade
::
=+ gat=.*(voc +:.*(cop(+< [vip ?:(=(nex hoon) 'load' 'come')]) -.cop))
::
:: sample: [date system-state]
::
=+ sam=[now sys]
::
:: call into the new kernel
::
(^ .*(gat(+< sam) -.gat))
:: :: ++call:le
++ call :: forward to vane
|= {hen/duct way/term hil/mill}
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^+ +>
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(call:(spin way hen) hil)
:: :: ++doze:le
++ doze :: next wakeup by vane
|= way/term
^- (unit @da)
doze:(plow way)
:: :: ++emit:le
++ emit :: emit move
|= mov/move:live
+>(run.gut [mov run.gut])
:: :: ++grow:le
++ grow :: hardcoded prefixes
|= lay/term
^- term
?+ lay !!
$a %ames
$b %behn
$c %clay
$d %dill
$e %eyre
$f %ford
$g %gall
$j %jael
==
:: :: ++loop:le
++ loop :: main loop
^+ .
:: done if stack is empty
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::
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?~ run.gut .
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::
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:: mov: top move on stack
::
=/ mov `move:live`i.run.gut
::
:: pop top move off stack
::
=> .(run.gut t.run.gut)
::
:: interpret top move
::
?- -.q.mov
::
:: %give: return move
::
$give
::
:: the duct can't be empty
::
?> ?=(^ p.mov)
::
:: tea: top wire on duct
:: nex: rest of duct
::
=/ tea i.p.mov
=* nex t.p.mov
::
:: route gift by wire
::
?. ?=({$$ *} tea)
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::
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:: the caller was another vane
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::
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?> ?=({@tas *} tea)
(take nex i.tea t.tea p.q.mov)
::
:: the caller was arvo itself
::
?: ?=({$unix $~} t.tea)
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::
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:: the caller was unix i/o
::
(unix nex (wile p.q.mov))
?> ?=({$arvo $~} t.tea)
::
:: the caller was boot logic
::
(warp nex ((hard wasp) (wile p.q.mov)))
::
:: %pass: forward move
::
$pass
:: tea: proximate cause of action
:: hen: ultimate cause of action
:: way: target
:: hil: event data
::
=* tea p.q.mov
=* hen p.mov
=* way p.q.q.mov
=* hil q.q.q.mov
(call [tea hen] way hil)
==
:: :: ++pike:le
++ pike :: event to %pass
|= $: :: way: event route
:: now: date
:: ovo: input ovum
::
way/@tas
now/@da
ovo/ovum
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==
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^+ +>
:: print event if in verbose mode
::
~? &(!lac.mal !=(%belt -.q.ovo)) [%unix -.q.ovo p.ovo]
::
:: vax: card as vase
::
=^ vax +> (open q.ovo)
::
:: hen: fundamental cause (unix input channel)
:: tea: local cause (unix i/o)
:: mov: action (pass into event route)
::
=* hen `duct`[p.ovo ~]
=* tea `wire`[%$ %unix ~]
=* mov `move:live`[hen %pass tea way %& vax]
::
:: push move on stack, and work.
::
loop:(emit mov)
:: :: ++open:le
++ open :: input card to move
|= fav/card
^- {vase _+>}
?< off.mal
::
:: gat: mold for correct unix task
:: vax: molded card
::
=^ gat sac.hax (~(slap wa sac.hax) zus.mal [%limb %unix-task])
=/ vax (slam gat [%noun fav])
~| [%le-open -.fav]
?> =(fav q.vax)
[vax +>.$]
:: :: ++peek:le
++ peek :: namespace
|= $: :: lyc: other ships result may leak to
:: cyr: general perspective, eg %cx
:: bem: name
::
lyc/(unit (set ship))
cyr/term
bem/beam
==
^- (unit (unit cave))
::
:: way: vane to look in
:: car: perspective within vane
::
=* way (grow (end 3 1 cyr))
=* car (rsh 3 1 cyr)
(peek:(plow(eny.mal `@`0) way) lyc car bem)
:: :: ++plow:le
++ plow :: plowing vane
|= way/term
(va-plow:(va-amid:va way) now eny.mal peek)
:: :: ++poke:le
++ poke :: event from unix
|= $: :: ovo: event
::
ovo/ovum
==
^+ +>
~& [%poke -.ovo]
~| [%poke -.ovo]
?+ -.q.ovo !!
::
:: unix input, send to vane
::
$belt (pike %dill now ovo)
$blew (pike %dill now ovo)
$born (pike %eyre now ovo)
$hail (pike %dill now ovo)
$hear (pike %ames now ovo)
$hook (pike %dill now ovo)
$into (pike %clay now ovo)
$they (pike %eyre now ovo)
$this (pike %eyre now ovo)
$thus (pike %eyre now ovo)
$wake (pike %behn now ovo)
::
?($wack $what $whom $whim $wise)
=/ wap ((hard wasp) ovo)
=* tea `wire`[%$ %arvo ~]
=* hen `duct`[tea [p.ovo ~]]
=* mov `move:live`[hen %give %& !>(wap)]
(emit mov)
==
:: :: ++spin:le
++ spin :: spinning vane
|= {way/term hen/duct}
(spin:(plow way) hen)
::
++ take
|= {hen/duct way/term tea/wire hil/mill}
^+ +>
=< loop
(take:(spin way hen) tea hil)
:: :: ++unix:le
++ unix :: return to unix
|= {hen/duct fav/card}
^+ +>
?> ?=({* $~} hen)
loop(out.gut [[i.hen fav] out.gut])
:: :: ++va:le
++ va :: vane engine
|_ $: :: way: vane name, eg `%ames`
:: vax: vane, or vane builder if `off.mal`
::
way/term
vax/vase
==
:: :: ++va-abet:va:le
++ va-abet :: resolve
^+ ..va
..va(van.mal (~(put by van.mal) way vax))
:: :: ++va-amid:va:le
++ va-amid :: load existing
|= way/term
^+ +>
?< off.mal
+>(way way, vax (~(got by van.mal) way))
:: :: ++va-abut:va:le
++ va-apex :: boot / reboot
|= $: way/term
src/hoof
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==
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^+ +>
=. ^way way
=/ bun (~(get by van.mal) way)
?~ bun
(va-create src)
(va-update(vax u.bun) src)
:: :: ++va-plow:va:le
++ va-plow :: context awareness
|= $: :: now: date
:: eny: 512-bit entropy
:: sky: meta-typed namespace
::
now/@da
eny/@uvJ
sky/rook
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==
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:: kys: user-typed namespace vase
:: sam: core sample
:: wok: plowing vase
::
=* kys `vase`[-:!>(*roof) sky]
=* sam (slop !>(now) (slop !>(eny) kys))
=^ wok sac.hax (~(open wa sac.hax) vax %plow %& sam)
|%
:: :: ++doze:va-plow:va:le
++ doze :: next wakeup
^- (unit @da)
=^ pro sac.hax (~(slap wa sac.hax) wok [%limb %doze])
=. sac.hax (~(neat wa sac.hax) -:!>(*(unit @da)) %& pro)
((unit @da) q.pro)
:: :: ++peek:va-plow:va:le
++ peek :: internal peek
|= $: :: lyc: set of output ships
:: car: local perspective
:: bem: true path
::
lyc/(unit (set ship))
car/term
bem/beam
==
^- (unit (unit cave))
::
:: yeb: namespace input
:: pro: namespace output
::
=/ yeb !>([lyc car bem])
=^ pro sac.hax (~(call wa sac.hax) wok %peek %& yeb)
=. sac.hax (~(neat wa sac.hax) -:!>([*mark *vase]) %& pro)
::
:: detect unit cases
::
?~ q.pro ~
?~ +.q.pro [~ ~]
::
:: dat: vase of [mark vase]
::
=^ dat sac.hax (~(slot wa sac.hax) 7 pro)
``[(mark -.q.dat) (^ +.q.dat)]
:: :: ++spin:va-plow:va:le
++ spin :: causal action
|= hen/duct
::
:: fox: spinning vase
::
=* sam !>([hen *(list move)])
=^ fox sac.hax (~(open wa sac.hax) vax %spin %& sam)
|%
:: :: ++abet:spin:va-plow:
++ abet :: integrate
^+ ..va
::
:: vom: vase of (list move)
:: moz: actual output list (inverted order)
:: zax: new vase core
::
=^ vom sac.hax (~(slot wa sac.hax) 13 fox)
=^ moz sac.hax (~(refine-moves me sac.hax) vom)
=^ zax sac.hax (~(slot wa sac.hax) 31 fox)
%= va-abet
vax zax
run.gut
%+ weld
%+ turn moz
|= mov/move:live
?. ?=($pass -.q.mov) mov
::
:: append vane label to pass return address
::
mov(p.q [way p.q.mov])
run.gut
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==
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:: :: ++call:spin:va-plow:
++ call :: pass forward
|= $: :: hil: logical argument
::
hil/mill
==
^+ ..va
=^ nex sac.hax (~(call wa sac.hax) fox %call hil)
abet(fox nex)
:: :: ++take:spin:va-plow:
++ take :: pass backward
|= $: :: tea: return address
:: hil: logical result
::
tea/wire
hil/mill
==
^+ ..va
:: yet: return address as vase
:: sam: whole sample as mill
::
=/ yet !>(tea)
=/ sam ^- mill
?- -.hil
$& [%& (slop yet p.hil)]
$| [%| [[%cell p.yet p.p.hil] [q.yet q.p.hil]]]
==
=^ nex sac.hax (~(call wa sac.hax) fox %take sam)
abet(fox nex)
--
--
:: :: ++va-create:va:le
++ va-create :: compile new vase
|= src/hoof
^+ +>
:: no existing vase; compile new vase
::
~& [%vase-compile way `@p`(mug src)]
=. vax (slap zus.mal (ream src))
?: off.mal
+>
:: initialize vane
::
va-settle
:: :: ++va-settle:va:le
++ va-settle :: initialize with ship
^+ .
.(vax (slam vax !>(orb.rep)))
:: :: ++va-update
++ va-update :: replace existing
|= src/hoof
^+ +>
?: off.mal
:: replacing unbooted, weird but ok
::
(va-create src)
::
:: out: saved state from old vane
::
=+ out=(slap vax [%limb %stay])
::
:: replace `vax` with new empty vane
::
=. +>.$ (va-create src)
::
:: initialize new vane with old state
::
+>.$(vax (slam (slap vax [%limb %come]) out))
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--
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:: :: ++warp:le
++ warp :: arvo effect
|= {hen/duct wap/wasp}
^+ +>
?- -.wap
$wack +>(eny.mal (mix (shaz (mix now eny.mal)) (shaz p.wap)))
$what (what hen p.wap)
$whim +>(nym.rep p.wap)
$wise +>(roy.rep p.wap)
$whom (whom hen p.wap)
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==
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:: :: ++whom:le
++ whom :: initialize ship
|= {hen/duct our/@p}
^+ +>
:: initialization only happens once
::
?> =(& off.mal)
::
:: continue working after initialization
::
=< loop
::
:: set all flags
::
=: orb.rep our
off.mal |
==
::
:: activate all vanes
::
=. van.mal
%- ~(run by van.mal)
|=(vase (slam +< !>(our)))
::
:: send vanes `[%boot ~]` card, in alphabetical order
::
=/ fal (sort (turn (~(tap by van.mal)) |=({term *} +<-)) aor)
|- ^+ +>.^$
?~ fal +>.^$
=. +>.^$ $(fal t.fal)
(emit [hen %pass [%$ %arvo ~] i.fal %& !>([%boot ~])])
:: :: ++wile:le
++ wile :: mill as card
|= hil/mill
^- card
=. sac.hax (~(neat wa sac.hax) -:!>(card) hil)
?- -.hil
$| ((hard card) q.p.hil)
$& ((hard card) q.p.hil)
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==
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:: :: ++wilt:le
++ wilt :: deep file as source
|= pet/plum
^- hoof
?>(?=({$hoon @tas} pet) +.pet)
:: :: ++wise:le
++ wine :: load/reload vane
|= {way/term src/hoof}
^+ +>
va-abet:(va-apex:va way src)
:: :: ++what:le
++ what :: write deep storage
|= {hen/duct fal/(list (pair path plum))}
^+ +>
:: dev: collated `fal`
::
=/ dev
=| $= dev
$: :: use: non-system files
:: new: system installs
:: rep: system replacements
::
use/(map path plum)
new/(map path plum)
rez/(map path plum)
==
|- ^+ dev
?~ fal dev
::
:: pax: path of this file
:: pet: value of this file
::
=+ [pax pet]=[p q]:i.fal
=> .(fal t.fal)
::
:: old: current value in deep storage
::
=+ old=(~(get by fat.rep) pax)
::
:: ignore unchanged data
::
?: =(old `pet) $
::
:: classify as user, system install or replacement
::
?. ?=({$sys *} pax)
$(use.dev (~(put by use.dev) pax pet))
?~ old
$(new.dev (~(put by new.dev) pax pet))
$(rez.dev (~(put by rez.dev) pax pet))
::
:: just adopt user changes, which have no systems impact
::
=. fat.rep (~(uni by fat.rep) use.dev)
::
:: but: kernel reboot operation, if any
::
=/ but
^- (unit seed)
=/ hun (~(get by rez.dev) /sys/hoon)
=/ arv (~(get by rez.dev) /sys/arvo)
?~ hun
?~ arv ~
::
:: light reboot, arvo only
::
`[~ (wilt u.arv)]
::
:: heavy reboot, hoon and arvo
::
`[`(wilt u.hun) (wilt ?^(arv u.arv (~(got by fat.rep) /sys/arvo)))]
?^ but
:: stop working and set up reboot
::
%= +>.$
:: set boot hook for termination
::
but.gut ?>(=(~ but.gut) but)
::
:: execute write after reboot
::
run.gut :: syt: all systems changes
::
=* syt (~(tap by (~(uni by rez.dev) new.dev)))
:_ run.gut
`move:live`[hen %give %& !>([%what syt])]
::
:: delete reboot source files from deep
:: storage, so install causes vane upgrade,
:: and *does not* cause repeat kernel upgrade.
::
fat.rep ?~ p.u.but
fat.rep
(~(del by fat.rep) /sys/hoon)
==
:: keep working after vane upgrades
::
=< loop
::
:: job: plan for upgrading
::
=/ job
^- $: yor/(unit hoof)
zus/(unit hoof)
vat/(list (pair term hoof))
==
=< [yor zus (~(tap by van))]
:: yor: reload shared structures
:: zus: reload shared library
:: vat: replacement map
::
=/ yor (bind (~(get by rez.dev) /sys/york) wilt)
=/ zus (bind (~(get by rez.dev) /sys/zuse) wilt)
::
:: %york is the subject of %zuse
::
=. zus ?^(zus zus ?~(yor ~ `(wilt (~(got by fat.rep) /sys/zuse))))
::
:: vat: all vane upgrades, as [initial name source]
::
=/ van
:: zyr: all system file replacements
:: van: accumulated upgrades
::
=/ zyr (~(tap by rez.dev))
=| van/(map @tas hoof)
|- ^+ van
?^ zyr
:: mor: process rest of `zyr`
::
=/ mor $(zyr t.zyr)
?. ?=({$sys $van @tas $~} p.i.zyr)
mor
::
:: replaced vane in `/sys/vane/*/[nam]`
::
=* nam `term`i.t.t.p.i.zyr
(~(put in mor) nam (wilt q.i.zyr))
::
:: reload current vanes if needed
::
?. |((~(has by new.dev) /sys/hoon) ?=(^ zus))
::
:: we didn't replace compiler, %york or %zuse
van
::
:: also reboot any vanes not already rebooted
::
%- ~(gas by van)
%+ skip
^- (list (pair term hoof))
%+ turn (~(tap by van.mal))
|= {way/term vax/vase}
[way (wilt (~(got by fat.rep) [%sys %van way ~]))]
|= {way/term src/hoof}
(~(has in van) way)
.
::
:: upgrade %york, vane shared structures
::
=> ?~ yor.job .
%= .
yor.mal ~& [%york-boot `@p`(mug u.yor.job)]
(slap !>(..arms) (ream u.yor.job))
==
::
:: upgrade %zuse, vane shared libraries
::
=> ?~ zus.job .
%= .
zus.mal ~& [%zuse-boot `@p`(mug u.zus.job)]
(slap yor.mal (ream u.zus.job))
==
::
:: upgrade all indicated vanes
::
|- ^+ +>.^$
?~ vat.job +>.^$
~& [%vane-boot p.i.vat.job `@p`(mug q.i.vat.job)]
$(vat.job t.vat.job, +>.^$ (wine i.vat.job))
--
:: :: ++me
++ me :: dynamic analysis
:: sac: compiler cache
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::
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|_ sac/worm
:: :: ++refine-moves:me
++ refine-moves :: move list from vase
|= vax/vase
^- {(list move:live) worm}
?: =(~ q.vax) [~ sac]
=^ hed sac (~(slot wa sac) 2 vax)
=^ tal sac (~(slot wa sac) 3 vax)
=^ mov sac (refine-move hed)
=^ moz sac $(vax tal)
[[mov moz] sac]
:: :: ++refine-move:me
++ refine-move :: move from vase
|= vax/vase
^- {move:live worm}
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::
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:: den: ++duct vase
:: yat: card vase
::
=^ hip sac (~(nell wa sac) p.vax)
?> hip
=^ den sac (~(slot wa sac) 2 vax)
=^ yat sac (~(slot wa sac) 3 vax)
=. sac (~(neat wa sac) -:!>(*duct) %& den)
?> hip
=^ del sac (refine-ball yat)
[[(duct q.den) del] sac]
:: :: ++refine-ball:me
++ refine-ball :: ball from vase
|= vax/vase
^- {ball:live worm}
::
:: specialize span to actual card stem
::
=^ hex sac (~(spec wa sac) vax)
?+ -.q.hex ~|(%bad-move !!)
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$give
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=. sac (~(neat wa sac) -:!>([%give *card]) %& hex)
::
:: yed: vase containing card
:: hil: card as mill
::
=^ yed sac (~(slot wa sac) 3 hex)
=^ hil sac (refine-card yed)
[[%give hil] sac]
::
$pass
=. sac (~(neat wa sac) -:!>([%pass *path *term *card]) %& hex)
::
:: yed: vase containing card
:: hil: card as mill
::
=^ yed sac (~(slot wa sac) 15 hex)
=^ hil sac (refine-card yed)
[[%pass (path +6:p.hex) (term +14:p.hex) hil] sac]
==
:: :: ++refine-card:me
++ refine-card :: card from vase
|= vax/vase
^- (pair mill worm)
::
:: specialize span to actual card data
::
=^ hex sac (~(spec wa sac) vax)
=^ hip sac (~(nell wa sac) p.hex)
?> hip
?. ?=($meta -.q.hex)
::
:: for an non-meta card, the mill is the vase
::
[[%& hex] sac]
::
:: tiv: vase of vase of card
:: typ: vase of span
::
=^ tiv sac (~(slot wa sac) 3 hex)
=^ hip sac (~(nell wa sac) p.tiv)
?> hip
=^ typ sac (~(slot wa sac) 2 tiv)
=. sac (~(neat wa sac) -:!>(*span) %& hex)
::
:: support for meta-meta-cards has been removed
::
[[%| (^ q.tiv)] sac]
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--
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--
:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (4) interface
:: :: ::
=| sys/mall:live
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|%
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:: :: ++come
++ come :: load old-hoon, +11
|= {now/@da old/mall:vile}
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::
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:: if typed, would produce `{(list ovum) _+>}`
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::
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^- {* *}
:: trivial when arvo models don't change
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::
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(load now old)
:: :: ++keep
++ keep :: timeout, +4
|= {now/@da pax/path}
^- (unit @da)
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::
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:: XX: change interface to specify vane, not path
:: XX: rename "keep" to "doze"
:: way: vane of timeout
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::
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?> ?=({$$ @tas $~} pax)
=* way i.t.pax
(~(doze le now sys) way)
:: :: ++load
++ load :: load current, +86
|= {now/@da new/mall:live}
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::
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:: if typed, would produce `{(list ovum) _+>}`
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::
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^- {* *}
(poke(sys new) now *ovum)
:: :: ++peek
++ peek :: inspect, 87
|= {now/@da pax/path}
^- (unit *)
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::
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:: XX: adapt external users to modern (unit (unit cage))
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::
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?. ?=({@ta @ta @ta @ta *} pax) ~
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::
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:: lyc: access control, `[~ ~]` gets anything
:: cyr: perspective
:: bec: path head, `[ship desk case]`
:: tyl: path tail
:: nut: peek result
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::
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=/ lyc `(unit (set ship))`[~ ~]
=/ cyr ?>(((sane %tas) i.pax) `@tas`i.pax)
=/ bec ^- beak
:+ (slav %p i.t.pax)
(slav %tas i.t.t.pax)
((hard case) (slay i.t.t.t.pax))
=* tyl t.t.t.t.pax
=/ nut (~(peek le now sys) lyc cyr bec tyl)
?~ nut ~
?~ u.nut ~
[~ +.q.u.u.nut]
:: :: ++poke
++ poke :: apply, 42
|= {now/@da ovo/ovum}
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::
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:: if typed, would produce `{(list ovum) _+>}`
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::
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^- {* *}
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::
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:: iterate entropy, it can't hurt
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::
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=. eny.mal.sys (mix (shaz now) eny.mal.sys)
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::
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:: produce a new state, and either output or a reboot
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::
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=^ new sys
=< abet
::
:: as a hack for reboots, an empty ovum is a no-op
::
?: =(*ovum ovo)
~(loop le now sys)
(~(poke le now sys) ovo)
?- -.new
::
:: no reboot; produce output and current core
::
$& [`(list ovum)`p.new +>.$]
::
:: reboot; produce loop result from new kernel
::
$| ~(boot le now sys)
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==
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:: :: ++wish
++ wish :: compute, 20
|= src/hoof
q:(slap ?:(off.mal.sys !>(+>) zus.mal.sys) (ream src))
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--