shrub/sys/parv.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}
^+ .
~> %slog.[0 leaf+"arvo-event"]
.(+> +:(poke now ovo))
=>
:: :: ::
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:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (1) public molds
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:: :: ::
|%
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++ arms (map chip dope) :: stated identity
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++ card {p/@tas q/*} :: tagged event
++ chip :: standard identity
$? $giv :: given name
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$fam :: surname
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$had :: fictitious name
$mid :: middle name
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$gen :: generational suffix
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== ::
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++ dope (pair @tas @t) :: term/unicode pair
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++ duct (list wire) :: causal history
++ ovum (pair wire card) :: input or output
++ ruby @pG :: 64-bit passcode
++ wire path :: cause
-- =>
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:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (2) state molds
:: :: ::
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|%
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++ evil :: evolvable state
|* {span/_span twig/_twig vase/_vase} :: injected molds
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|% ::
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++ boot (pair hoof (unit hoof)) :: arvo/hoon boot src
++ hoof @t :: hoon source file
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++ mall :: any arvo version
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$? {$293 mast} :: kelvin 293, current
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== ::
++ mast :: system state
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$: $= gut :: abdomen
$: run/(list move) :: worklist
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out/(list ovum) :: unix output
but/(unit boot) :: reboot
== ::
$= hax :: thorax
$: sac/worm :: compiler cache
kit/toys :: common nouns
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== ::
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$= bug :: insect brain
$: noc/@ta :: process nonce
ver/(qual @tas @ud @ud @ud) :: vendor/version
== ::
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$= mal :: mammal brain
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$: off/? :: not yet booted
lac/? :: not verbose
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yor/vase :: %york, vane models
zus/vase :: %zuse, user lib
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van/(map term vase) :: vanes
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== ::
$= rep :: reptile brain
$: orb/@p :: ship
nym/arms :: name information
roy/(map @ud ruby) :: start secrets
fat/(map path (pair term noun)) :: boot filesystem
== == ::
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++ mill (each vase milo) :: vase or metavase
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++ milo {p/* q/*} :: untyped metavase
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++ move (pair duct part) :: vane move
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++ part :: arvo vane move
$% {$give p/mill} :: vane "return"
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{$pass p/wire q/(pair term mill)} :: vane "call"
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== ::
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++ toys :: reflexive constants
$: typ/span :: -:!>(*span)
duc/span :: -:!>(*duct)
pah/span :: -:!>(*path)
mev/span :: -:!>([%meta *vase])
== ::
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++ worm :: compiler cache
$: nes/(set ^) :: ++nest
pay/(map (pair span twig) span) :: ++play
mit/(map (pair span twig) (pair span nock)) :: ++mint
== ::
-- ::
++ live (evil) :: modern molds
++ vile (evil typo twit vise) :: old molds
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++ wasp :: arvo effect
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$% {$walk ~} :: finish mammal brain
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{$what p/(list (pair path (pair term noun)))} :: put reptile files
{$whom p/@p q/arms r/(map @ud ruby)} :: put reptile identity
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{$woke ~} :: finish booting
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== ::
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-- =>
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|%
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:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (2) engines
:: :: ::
|%
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:: :: ++le
++ le :: deep engine
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=+ [now=*@da mast:live]
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=* ::
:: sys: system state
::
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sys ->
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|%
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:: :: ++abet:le
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++ abet :: complete cycle
^- {(pair (unit (pair @t @t)) (list move)) _sys}
:- [but.gut flop
[[but.gut (flop out.gut) sys(out.gut ~)]
:: :: ++base:le
++ base :: upgrade vane
|= $: :: lal: vane name `%gall`
:: src: vane source
::
lal/term
src/
==
:: lay: name prefix `%g`
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::
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=+ lay=(end 3 1 lal)
:: :: ++boss:le
++ boss :: apply upgrades
|= $: :: yor: sys/york upgrade
:: zus: sys/zuse upgrade
:: van: all vane upgrades
::
$: yor/(unit hoof)
zus/(unit hoof)
==
van/(map term hoof)
==
:: bas: vase
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::
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=+ bas=!>(..arms)
::
::
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::
:: :: ++emit:le
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++ emit :: emit move
|= mov/move
+>(run.gut [mov run.gut])
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:: :: ++pike:le
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++ pike :: event to %pass
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|= $: :: lay: event route
:: now: date
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:: ovo: input ovum
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::
lay/@tas
now/@da
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ovo/ovum
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==
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^+ +>
:: print event if in verbose mode
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::
~? &(!lac.mal !=(%belt -.q.ovo)) [%unix -.q.ovo p.ovo]
::
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:: vax: card as vase
::
=^ vax +> (open q.ovo)
::
:: hen: fundamental cause (unix input channel)
:: tea: local cause (unix i/o)
:: mov: action (pass into event route)
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::
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=* hen `duct`[p.ovo ~]
=* tea `wire`[%$ %unix ~]
=* mov `move`[%pass tea lay %& vax]
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::
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:: push move on stack
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::
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(emit mov)
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:: :: ++open:le
++ open :: input card to move
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|= fav/card
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^- {vase _+>}
?< off.mal
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::
:: gat: mold for correct unix task
:: vax: molded card
::
=^ gat sac.gut (~(slap wa sac.gut) bud.mal [%limb %unix-task])
=/ vax (slam gat [%noun fav])
~| [%le-open -.fav]
?> =(fav q.vax)
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[vax +>.$]
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:: :: ++poke:le
++ poke :: event from unix
|= $: :: now: event date
:: ovo: event
::
now/@da
ovo/ovum
==
^+ sys
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~| [%poke -.ovo]
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::
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:: the event is either vane input or an arvo action (wasp).
:: we default to treating it as a wasp.
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::
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:: XX: this logic will be directed in the event structure itself.
::
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?+ -.ovo
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=/ wap ((hard wasp) ovo)
=* tea `wire`[%$ %init ~]
=* hen `duct`[tea [p.ovo ~]]
=* mov `move`[hen %give %& !>(wap)]
(emit mov)
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::
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$belt (pike %d now ovo)
$blew (pike %d now ovo)
$born (pike %e now ovo)
$hail (pike %d now ovo)
$hear (pike %a now ovo)
$hook (pike %d now ovo)
$into (pike %c now ovo)
$they (pike %e now ovo)
$this (pike %e now ovo)
$thus (pike %e now ovo)
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==
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:: :: ++work:le
++ work :: main loop
=* ken +
^+ ken
::
:: terminate when stack is empty
::
?~ run.gut ken
::
:: mov: top move on stack
:: hen: cause of move
:: act: action in move
::
=* mov `move`i.run.gut
=* hen `duct`p.mov
=* egg `part`q.mov
::
:: pop top move off stack
::
=. run.gut t.run.gut
::
:: interpret top move
::
?- -.egg
::
:: %give: event return
::
$give
::
:: the duct can't be empty
::
?> ?=(^ p.mov)
::
:: tea: top wire on duct
:: hen: rest of duct
::
=/ tea i.p.mov
=* hen t.p.mov
::
:: route gift by wire
::
?: ?=({%$ *} tea)
::
:: gift returned on arvo wire
::
?: ?=({%unix $~} t.tea)
::
:: gift returned to unix i/o
::
(unix hen XXp.egg)
?> ?=({%arvo $~} t.tea)
::
:: gift returned to arvo control
::
(wasp hen XXp.egg)
::
:: gift returned to calling vane
::
?> ?=({@tas *} tea)
(read hen i.tea t.tea p.egg)
::
:: %pass: event call
::
$pass
(send [p.egg hen] p.q.egg q.egg)
==
:: :: ++buzz:le
++ wasp :: arvo effect
|= {hen/duct wap/wasp}
^+ +>
?+ -.wap !!
::
:: $what: install boot files in reptile brain
::
$what
::
:: we are rebooting if hoon or arvo change
::
=/ but
^- (unit boot)
=/ new-hoon (~(get by p.wap) /sys/hoon)
=/ new-arvo (~(get by p.wap) /sys/arvo)
=* old-hoon (~(get by fat.rep) /sys/hoon)
=* old-arvo (~(get by fat.rep) /sys/arvo)
=. new-hoon ?~ new-hoon ~
=+ old=old-hoon
?~ old ~
?:(=(old new-hoon) ~ new-hoon)
=. new-arvo ?^ new-hoon
?^(new-arvo new-arvo old-arvo)
?~ new-arvo ~
=+ old=old-arvo
?~ old ~
?:(=(old new-arvo) ~ new-arvo)
?~ new-arvo ~
`[u.new-arvo new-hoon]
::
:: if rebooting, set boot trigger and re
::
?^
=| act $: :: sys: hoon files in sys
:: van: hoon files in sys/van
::
sys/(map term hoof)
van/(map term hoof)
==
|- ^+ +>.^$
?~ p.wap (boss sys van)
?: =(b
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::
:: $whom: install identity information and complete boot process
::
$whom
=* mol $: orb/@p
nym/arms
roy/(map @ud ruby)
==
=+ dat=((hard mol) +.ovo)
=: orb.rep orb.dat
nym.rep nym.dat
roy.rep (~(uni by roy.rep) roy.rep roy.dat)
==
!!
==
:: :: ++we-gift:work:le
++ we-gift
|= $: :: hen: cause
:: lay: vane to return to
:: hil:
::
hen/duct
lay/term
hil/mill
==
^+ ken
!!
++ we-wasp
|= $: :: hen: cause
::
^_
++ we-
--
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--
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--
:: :: ::
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: (3) surface
:: :: ::
|_
:: :: ++come
++ come :: upgrade from old
|=
^- {(list ovum) _+>}
~& %hoon-come
=^ rey +>+ (^come +<)
[rey +>.$]
::
++ keep |=(* (^keep ((hard {@da path}) +<))) :: 4
++ load |= {@ (list ovum) pane} :: 86
^- {(list ovum) _+>}
~& %hoon-load
=^ rey +>+ (^load +<)
[rey +>.$]
++ peek |=(* (^peek ((hard {@da path}) +<))) :: 87
++ poke |= * :: 42
^- {(list ovum) *}
=> .(+< ((hard {now/@da ovo/ovum}) +<))
=^ ova +>+ (^poke now ovo)
|- ^- {(list ovum) *}
?~ ova
[~ +>.^$]
?: ?=($verb -.q.i.ova)
$(ova t.ova, lac !lac)
?: ?=($veer -.q.i.ova)
$(ova t.ova, +>+.^$ (veer now q.i.ova))
?: ?=($velo -.q.i.ova)
(fall (velo now t.ova ({@ @} +.q.i.ova)) [~ +>.^$])
?: ?=(?($init $veal) -.q.i.ova)
=+ avo=$(ova t.ova, +>+.^$ (boot (@ +.q.i.ova)))
[[i.ova -.avo] +.avo]
?: ?=($mass -.q.i.ova)
=+ avo=$(ova t.ova)
:_ +.avo
:_ -.avo
%= i.ova
q.q
:- %userspace
:- %|
:~ hoon+`pit
zuse+`mast
hoon-cache+`p.niz
q.q.i.ova
dot+`.
==
==
=+(avo=$(ova t.ova) [[i.ova -.avo] +.avo])
++ wish |=(* (^wish ((hard @ta) +<))) :: 20
--