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6a1f32bb19
urbit/sys/arvo.hoon
Joe Bryan 6a1f32bb19 Merge branch 'release-candidate' into single-home 
* release-candidate:
  [CI] updates pinned vere commit
  Use a trap to lazily evaluate the arguments to %dude in Eyre.
  Don't do two passes in the unjetted +sort
  %hold removed
  losing the `b` reference
  remove !:
  use assertion
  Update pin-vere-commit.txt
  type variance bug fix
  Trim ethereum snapshot in Jael (#911)
  Moved to +jack
  Add ~| to arvo to try to debug intermittent crash.
  Add special cases for %da and %ta to +slaw
2018-12-06 19:07:38 -05:00

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:::::: ::::::::::::::::::::::::::::::::::::::::::::::::::::::
:::::: :::::: Postface ::::::
:::::: ::::::::::::::::::::::::::::::::::::::::::::::::::::::
~> %slog.[0 leaf+"%arvo-assembly"]
=- ~> %slog.[0 leaf+"%arvo-assembled"]
-
=< ::
:: Arvo formal interface
::
:: 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=*]
^- *
~> %slog.[0 leaf+"arvo-event"]
.(+> +:(poke now ovo))
:::::: ::::::::::::::::::::::::::::::::::::::::::::::::::::::
:::::: :::::: volume 3, Arvo models and skeleton ::::::
:::::: ::::::::::::::::::::::::::::::::::::::::::::::::::::::
=>
|%
++ arch {fil/(unit @uvI) dir/(map @ta $~)} :: fundamental node
++ arvo (wind {p/term q/mill} mill) :: arvo card
++ beam {{p/ship q/desk r/case} s/path} :: global name
++ beak {p/ship q/desk r/case} :: garnish with beak
++ bone @ud :: opaque duct
++ case :: version
$% {$da p/@da} :: date
{$tas p/@tas} :: label
{$ud p/@ud} :: sequence
== ::
++ desk @tas :: ship desk case spur
++ cage (cask vase) :: global metadata
++ cask |*(a/mold (pair mark a)) :: global data
++ cuff :: permissions
$: p/(unit (set monk)) :: can be read by
q/(set monk) :: caused or created by
== ::
++ curd {p/@tas q/*} :: typeless card
++ duct (list wire) :: causal history
++ hypo |*(a/mold (pair type a)) :: type associated
++ hobo |* a/mold :: kiss wrapper
$? $% {$soft p/*} ::
== ::
a ::
== ::
++ kirk (unit (set monk)) :: audience
++ lens :: observation core
$_ ^? ::
|% ++ u *(unit (unit $~)) :: existence
++ v *(unit (unit cage)) :: full history
++ w *(unit (unit (unit cage))) :: latest diff
++ x *(unit (unit cage)) :: data at path
++ y *(unit (unit arch)) :: directory
++ z *(unit (unit cage)) :: current subtree
-- ::
++ marc :: structured mark
$@ mark :: plain mark
$% {$tabl p/(list (pair marc marc))} :: map
== ::
++ mark @tas :: content type
++ mash |=(* (mass +<)) :: producing mass
++ mass $~ [%$ [%& ~]] :: memory usage
(pair cord (each noun (list mash))) ::
++ mill (each vase milt) :: vase+metavase
++ milt {p/* q/*} :: metavase
++ monk (each ship {p/@tas q/@ta}) :: general identity
++ muse {p/@tas q/duct r/arvo} :: sourced move
++ move {p/duct q/arvo} :: arvo move
++ ovum {p/wire q/curd} :: typeless ovum
++ pane (list {p/@tas q/vase}) :: kernel modules
++ pone (list {p/@tas q/vise}) :: kernel modules old
+$ scry-sample
[fur=(unit (set monk)) ren=@tas why=shop syd=desk lot=coin tyl=path]
++ ship @p :: network identity
++ sink (trel bone ship path) :: subscription
++ sley $- {* (unit (set monk)) term beam} :: namespace function
(unit (unit cage)) ::
++ slyd $- {* (unit (set monk)) term beam} :: super advanced
(unit (unit (cask))) ::
++ slyt $-({* *} (unit (unit))) :: old namespace
+$ vane [=vase =worm]
++ vile :: reflexive constants
$: typ/type :: -:!>(*type)
duc/type :: -:!>(*duct)
pah/type :: -:!>(*path)
mev/type :: -:!>([%meta *vase])
== ::
++ wind :: new kernel action
|* {a/mold b/mold} :: forward+reverse
$% {$pass p/path q/a} :: advance
{$slip p/a} :: lateral
{$give p/b} :: retreat
== ::
++ wire path :: event pretext
--
=>
~% %hex +> ~
|%
::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
:: section 3bE, Arvo core ::
::
++ sloy
!:
|= sod/slyd
^- slyt
|= {ref/* raw/*}
=+ pux=((soft path) raw)
?~ pux ~
?. ?=({@ @ @ @ *} u.pux) ~
=+ :* hyr=(slay i.u.pux)
fal=(slay i.t.u.pux)
dyc=(slay i.t.t.u.pux)
ved=(slay i.t.t.t.u.pux)
tyl=t.t.t.t.u.pux
==
?. ?=({$~ $$ $tas @} hyr) ~
?. ?=({$~ $$ $p @} fal) ~
?. ?=({$~ $$ $tas @} dyc) ~
?. ?=(^ ved) ~
=+ ron=q.p.u.hyr
=+ bed=[[q.p.u.fal q.p.u.dyc (case p.u.ved)] (flop tyl)]
=+ bop=(sod ref ~ ron bed)
?~ bop ~
?~ u.bop [~ ~]
[~ ~ +.q.u.u.bop]
::
++ symp :: symbol or empty
|= a=* ^- @tas
?.(&(?=(@ a) ((sane %tas) a)) %$ a)
::
++ vent :: vane core
|= [who=ship lal=@tas vil=vile bud=vase =vane]
~% %vent +>+ ~
|%
++ ruck :: update vase
|= {pax/path txt/@ta}
^+ +>
=- ?:(?=(%| -.res) ((slog p.res) +>.$) p.res)
^= res %- mule |.
=+ arg=[~2000.1.1 0 =>(~ |~(* ~))]
=+ rig=(slym vase.vane arg)
=+ gen=(rain pax txt)
=+ rev=(slym (slap bud gen) bud)
=+ syg=(slym rev arg)
:: update the vane itself
::
:: We don't cache the +slap/+slam types because they're only used once
:: right here; they'll never be used again.
::
=. vase.vane
~| %load-lost
(slam (slap syg [%limb %load]) (slap rig [%limb %stay]))
:: prime the new compiler cache
::
prime
:: reset and prime the worm cache for scrys
::
:: If the +slap/+slym in scry isn't cached, we spend the majority of
:: the time in a scry in the compiler. The +scry gate cannot have side
:: effects so we can't modify the cache at access time. So we seed the
:: cache with all the things +scry will need when we install the vane
::
++ prime
^+ ..prime
::
%_ ..prime
worm.vane
:: reset cache and add in vane activation entry
::
=^ rig worm.vane
(~(slym wa *worm) vase.vane *[@p @da @ slyd])
:: cache the access of the %scry arm
::
=^ fun worm.vane (~(slap wa worm.vane) rig [%limb %scry])
:: cache the call to +mint that the +slym in +scry will do
::
+:(~(mint wa worm.vane) p.fun [%limb %$])
==
::
++ wink :: deploy
|= {now/@da eny/@ ski/slyd}
=^ rig worm.vane
~| [%failed-vane-activation-for lal]
(~(slym wa worm.vane) vase.vane [who +<]) :: activate vane
~% %wink +>+> ~
|%
++ slid
|= {hed/mill tal/mill}
^- mill
?: &(?=(%& -.hed) ?=(%& -.tal))
[%& (slop p.hed p.tal)]
[%| [%cell p.p.hed p.p.tal] [q.p.hed q.p.tal]]
::
++ slix
|= hil/mill
^- mill
?- -.hil
%& [%& (slop [typ.vil p.p.hil] p.hil)]
%| [%| [%cell typ.vil p.p.hil] p.hil]
==
::
++ slur :: call gate on
|= {gat/vase hil/mill}
^- (unit (pair vase worm))
=^ sam worm.vane
~| [%failed-slot-in lal]
(~(slot wa worm.vane) 6 gat)
=^ hig worm.vane
~| [%failed-nest-in lal]
?- -.hil
%& (~(nest wa worm.vane) p.sam p.p.hil)
%| (~(nets wa worm.vane) p.sam p.p.hil)
==
?. hig
~
~| [%failed-slym-in lal]
`(~(slym wa worm.vane) gat +>.hil)
::
++ slur-a ~/(%slur-a |=({gat/vase hil/mill} =+(%a (slur gat hil))))
++ slur-b ~/(%slur-b |=({gat/vase hil/mill} =+(%b (slur gat hil))))
++ slur-c ~/(%slur-c |=({gat/vase hil/mill} =+(%c (slur gat hil))))
++ slur-d ~/(%slur-d |=({gat/vase hil/mill} =+(%d (slur gat hil))))
++ slur-e ~/(%slur-e |=({gat/vase hil/mill} =+(%e (slur gat hil))))
++ slur-f ~/(%slur-f |=({gat/vase hil/mill} =+(%f (slur gat hil))))
++ slur-g ~/(%slur-g |=({gat/vase hil/mill} =+(%g (slur gat hil))))
++ slur-j ~/(%slur-j |=({gat/vase hil/mill} =+(%j (slur gat hil))))
++ slur-z ~/(%slur-z |=({gat/vase hil/mill} =+(%z (slur gat hil))))
::
++ slur-pro :: profiling slur
~/ %slur-pro
|= {lal/@tas gat/vase hil/mill}
?+ lal (slur-z gat hil)
$a (slur-a gat hil)
$b (slur-b gat hil)
$c (slur-c gat hil)
$d (slur-d gat hil)
$e (slur-e gat hil)
$f (slur-f gat hil)
$g (slur-g gat hil)
$j (slur-j gat hil)
==
::
++ song :: reduce metacard
~/ %song ::
|= mex/vase :: mex: vase of card
^- (unit (pair mill worm)) ::
=^ hip worm.vane (~(nell wa worm.vane) p.mex) ::
?. hip ~ :: a card is a cell
?. ?=($meta -.q.mex) `[[%& mex] worm.vane] :: ordinary card
=^ tiv worm.vane (~(slot wa worm.vane) 3 mex) ::
=^ hip worm.vane (~(nell wa worm.vane) p.tiv) ::
?. hip ~ :: a vase is a cell
=^ vax worm.vane (~(slot wa worm.vane) 2 tiv) ::
=^ hip worm.vane (~(nest wa worm.vane) typ.vil p.vax) ::
?. hip ~ :: vase head is type
%+ biff ::
=+ mut=(milt q.tiv) :: card type, value
|- ^- (unit (pair milt worm)) ::
?. ?=({$meta p/* q/milt} q.mut) `[mut worm.vane] :: ordinary metacard
=^ hip worm.vane (~(nets wa worm.vane) mev.vil p.mut)::
?. hip ~ :: meta-metacard
$(mut +.q.mut) :: descend into meta
|=(a/(pair milt worm) `[[%| p.a] q.a]) :: milt to mill
::
++ sump :: vase to move
~/ %sump
|= wec/vase
^- (unit (pair move worm))
%+ biff ((soft duct) -.q.wec)
|= a/duct
%+ bind
=- ?- -.har
%| ~& [%dead-card p.har] ~ :: XX properly log?
%& (some p.har)
==
^= har ^- (each (pair arvo worm) term)
=^ caq worm.vane (~(spot wa worm.vane) 3 wec)
?+ q.caq [%| (cat 3 %funk (symp q.caq))]
::
{$pass p/* q/@tas r/{p/@tas q/*}}
%- (bond |.([%| p.r.q.caq]))
%+ biff ((soft @) q.q.caq)
|= lal/@tas
?. ((sane %tas) lal) ~
%+ biff ((soft path) p.q.caq)
|= pax/path
=^ yav worm.vane (~(spot wa worm.vane) 15 caq)
%+ bind (song yav)
|= {hil/mill vel/worm}
[%& [%pass pax lal hil] vel]
::
{$give p/{p/@tas q/*}}
%- (bond |.([%| p.p.q.caq]))
=^ yav worm.vane (~(spot wa worm.vane) 3 caq)
%+ bind (song yav)
|= {hil/mill vel/worm}
[%& [%give hil] vel]
::
{$slip p/@tas q/{p/@tas q/*}}
%- (bond |.([%| p.q.q.caq]))
%+ biff ((soft @) p.q.caq)
|= lal/@tas
?. ((sane %tas) lal) ~
=^ yav worm.vane (~(spot wa worm.vane) 7 caq)
%+ bind (song yav)
|= {hil/mill vel/worm}
[%& [%slip lal hil] vel]
==
|=(b/(pair arvo worm) [`move`[a p.b] q.b])
::
++ said :: vase to (list move)
|= vud/vase
|- ^- (pair (list move) worm)
?: =(~ q.vud) [~ worm.vane]
=^ hed worm.vane (~(slot wa worm.vane) 2 vud)
=^ tal worm.vane (~(slot wa worm.vane) 3 vud)
=^ mov worm.vane (need (sump hed))
=^ moz worm.vane $(vud tal)
[[mov moz] worm.vane]
::
++ scry :: read namespace
~/ %scry
|= $: fur/(unit (set monk))
ren/@t
bed/beam
==
^- (unit (unit (cask)))
:: ~& [%arvo-scry ren bed]
=/ old=scry-sample
:* fur
ren
[%& p.bed]
q.bed
`coin`[%$ r.bed]
(flop s.bed)
==
^- (unit (unit (cask)))
=+ fun=-:(~(slap wa worm.vane) rig [%limb %scry])
=+ pro=-:(~(slym wa worm.vane) fun old)
?~ q.pro ~
?~ +.q.pro [~ ~]
=/ dat +>.q.pro
[~ ~ (mark -.dat) +.dat]
::
++ soar :: scrub vane
|= sev/vase
^- vase
?: &(=(-.q.vase.vane -.q.sev) =(+>.q.vase.vane +>.q.sev))
vase.vane :: unchanged, use old
sev(+<.q [*@p *@da *@ =>(~ |~(* ~))]) :: clear to stop leak
::
++ swim
~/ %swim
|= $: org/@tas
pux/(unit wire)
hen/duct
hil/mill
==
^- [(list move) _vane]
~| [%failed-swim lal org pux]
:: ~& [%swim-wyt `@ud`~(wyt in worm.vane)]
=+ ^= pru
?~ pux
~| [%swim-call-vane lal ({term $~} +.p.hil)]
=^ vax worm.vane (~(slap wa worm.vane) rig [%limb %call])
%^ slur-pro lal vax
(slid [%& duc.vil hen] (slix hil))
~| [%swim-take-vane lal ({term $~} +.p.hil)]
=^ vax worm.vane (~(slap wa worm.vane) rig [%limb %take])
%^ slur-pro lal vax
;: slid
[%& pah.vil u.pux]
[%& duc.vil hen]
(slix (slid [%& [%atom %tas `org] org] hil))
==
?~ pru
~& [%swim-lost lal (symp +>-.hil)]
[~ [vase.vane worm.vane]]
=^ pro worm.vane (need pru)
=^ moz worm.vane (~(slot wa worm.vane) 2 pro)
=^ vem worm.vane (~(slot wa worm.vane) 3 pro)
=^ sad worm.vane (said moz)
[sad [(soar vem) worm.vane]]
--
--
::
++ vint :: create vane
|= $: who=ship
lal=@tas
vil=vile
bud=vase
pax=path
txt=@ta
==
=- ?:(?=(%| -.res) ((slog p.res) ~) (some p.res))
^= res %- mule |.
~| [%failed-vint lal]
=+ gen=(rain pax txt)
~& [%vane-parsed `@p`(mug gen)]
=+ pro=(vent who lal vil bud [(slym (slap bud gen) bud) *worm])
~& [%vane-compiled `@p`(mug pro)]
prime:pro
::
++ viol :: vane tools
|= but/type
^- vile
=+ pal=|=(a/@t ^-(type (~(play ut but) (vice a))))
:* typ=(pal '$:type')
duc=(pal '$:duct')
pah=(pal '$:path')
mev=(pal '$:{$meta $vase}')
==
::
++ is :: operate in time
|= [who=ship vil=vile eny=@ bud=vase vanes=(list [label=@tas =vane])]
|_ now/@da
++ beck
^- slyd
|= {* fur/(unit (set monk)) ron/term bed/beam}
^- (unit (unit (cask)))
=> .(fur ?^(fur fur `[[%& p.bed] ~ ~])) :: XX heinous
=+ lal=(end 3 1 ron)
=+ ren=(@t (rsh 3 1 ron))
|- ^- (unit (unit (cask)))
?~ vanes ~
?. =(lal label.i.vanes) $(vanes t.vanes)
~| [%failed-scry ron bed]
%- scry:(wink:(vent who lal vil bud vane.i.vanes) now (shax now) ..^$)
[fur ren bed]
::
++ dink :: vase by char
|= din/@tas ^- vase
?~(vanes !! ?:(=(din label.i.vanes) vase.vane.i.vanes $(vanes t.vanes)))
::
++ dint :: input routing
|= hap/path ^- @tas
?+ hap !!
{@ $ames *} %a
{@ $boat *} %c
{@ $newt *} %a
{@ $sync *} %c
{@ $term *} %d
{@ $http *} %e
{@ $behn *} %b
==
::
++ hurl :: start loop
|= {lac/? ovo/ovum}
~? &(!lac !=(%belt -.q.ovo)) [%unix -.q.ovo p.ovo]
:: ^- {p/(list ovum) q/(pair worm (list {p/@tas q/vase}))}
^- {p/(list ovum) q=(list [label=@tas =vane])}
?> ?=(^ p.ovo)
%+ kick lac
:~ :* i.p.ovo
~
:^ %pass t.p.ovo
(dint p.ovo)
:+ %&
[%cell [%atom %tas `%soft] %noun]
[%soft q.ovo]
==
==
::
++ race :: take
|= {org/@tas lal/@tas pux/(unit wire) hen/duct hil/mill =vane}
^- [p=(list move) q=_vane]
=+ ven=(vent who lal vil bud vane)
~| [%failed-take lal]
=+ win=(wink:ven now (shax now) beck)
(swim:win org pux hen hil)
::
++ fire :: execute
|= {org/term lal/term pux/(unit wire) hen/duct hil/mill}
^- {{p/(list ovum) q/(list muse)} _vanes}
?: &(?=(^ pux) ?=($~ hen))
[[[[lal u.pux] (curd +>.hil)]~ ~] vanes]
=+ naf=vanes
|- ^- {{p/(list ovum) q/(list muse)} _vanes}
?~ naf [[~ ~] ~]
?. =(lal label.i.naf)
=+ tuh=$(naf t.naf)
[-.tuh [+<.tuh [i.naf +>.tuh]]]
::
=+ fiq=(race org lal pux hen hil vane.i.naf)
[[~ (turn p.fiq |=(a/move [lal a]))] [[label.i.naf q.fiq] t.naf]]
::
++ jack :: dispatch card
|= {lac/? gum/muse}
^- {{p/(list ovum) q/(list muse)} _vanes}
~| %failed-jack
:: =. lac |(lac ?=(?(%g %f) p.gum))
:: =. lac &(lac !?=($b p.gum))
%+ fire
p.gum
?- -.r.gum
$pass
~? &(!lac !=(%$ p.gum))
:^ %pass [p.gum p.q.r.gum]
[(symp +>-.q.q.r.gum) p.r.gum]
q.gum
[p.q.r.gum ~ [[p.gum p.r.gum] q.gum] q.q.r.gum]
::
$give
?. &(?=(^ q.gum) ?=(^ i.q.gum))
~| [%jack-bad-duct q.gum]
~| [%jack-bad-card p.gum (symp +>-.p.r.gum)]
!!
~? &(!lac |(!=(%blit +>-.p.r.gum) !=(%d p.gum)))
[%give p.gum (symp +>-.p.r.gum) `duct`q.gum]
[i.i.q.gum [~ t.i.q.gum] t.q.gum p.r.gum]
::
$slip
~? !lac [%slip p.gum (symp +>-.q.p.r.gum) q.gum]
[p.p.r.gum ~ q.gum q.p.r.gum]
==
::
++ kick :: new main loop
|= {lac/? mor/(list muse)}
=| ova/(list ovum)
|- ^- {p/(list ovum) q=(list [label=@tas =vane])}
?~ mor [(flop ova) vanes]
=^ nyx vanes (jack lac i.mor)
$(ova (weld p.nyx ova), mor (weld q.nyx t.mor))
--
--
=< :: Arvo larval stage
::
:: The true Arvo kernel knows who it is. It should not *maybe*
:: have an identity, nor should it contain multitudes. This outer
:: kernel exists to accumulate identity, entropy, and the
:: standard library. Upon having done so, it upgrades itself into
:: the true Arvo kernel. Subsequent upgrades will fall through
:: the larval stage directly into the actual kernel.
::
:: For convenience, this larval stage also supports hoon compilation
:: with +wish and vane installation with the %veer event.
::
=/ pit=vase !>(..is)
=| $: :: who: our identity once we know it
:: eny: entropy once we learn it
:: bod: %zuse once we receive it
::
who=(unit ship)
eny=(unit @)
bod=(unit vase)
==
:: larval Arvo structural interface
::
|%
++ come ^come :: 22
++ load ^load :: 46
++ peek |=(* ~) :: 47
::
++ poke |= * :: 10
^- [(list ovum) *]
=> .(+< ((hard ,[now=@da ovo=ovum]) +<))
^- [(list ovum) *]
=. +>.$
?+ -.q.ovo
:: ignore unrecognized
::
~& [%larval-ignore p.ovo -.q.ovo]
+>.$
:: install %zuse or vane
::
%veer
^+ +>.$
:: use the maximum comet if we don't know who we are yet
::
=/ our
?^ who
u.who
=/ fip=ship (dec (bex 128))
~>(%slog.[0 leaf+"arvo: larval identity {(scow %p fip)}"] fip)
=. ..veer (veer our now q.ovo)
+>.$(bod ?^(bod bod `bud.^poke))
:: add entropy
::
%wack
^+ +>.$
?> ?=(@ q.q.ovo)
+>.$(eny `q.q.ovo)
:: become who you were born to be
::
%whom
^+ +>.$
?> ?=(@ q.q.ovo)
+>.$(who `q.q.ovo)
==
:: upgrade once we've accumulated identity, entropy, and %zuse
::
?. &(?=(^ who) ?=(^ eny) ?=(^ bod))
[~ +>.$]
~> %slog.[0 leaf+"arvo: metamorphosis"]
=/ nyf
(turn vanes.^poke |=([label=@tas =vane] [label vase.vane]))
(load u.who now u.eny ova=~ u.bod nyf)
::
++ wish |= txt=* :: 4
?> ?=(@ txt)
q:(slap ?~(bod pit u.bod) (ream txt))
--
::
:: persistent arvo state
::
=/ pit=vase !>(..is) ::
=/ vil=vile (viol p.pit) :: cached reflexives
=| $: lac=? :: laconic bit
eny=@ :: entropy
our=ship :: identity
bud=vase :: %zuse
vanes=(list [label=@tas =vane]) :: modules
== ::
=< :: Arvo structural interface
::
|%
++ come |= {@ @ @ (list ovum) vise pone} :: 22
^- {(list ovum) _+>}
~& %hoon-come
=^ rey +>+ (^come +<)
[rey +>.$]
::
++ load |= {@ @ @ (list ovum) vase pane} :: 46
^- {(list ovum) _+>}
~& %hoon-load
=^ rey +>+ (^load +<)
[rey +>.$]
::
++ peek |=(* (^peek ((hard {@da path}) +<))) :: 47
::
++ poke |= * :: 10
^- [(list ovum) *]
=> .(+< ((hard ,[now=@da ovo=ovum]) +<))
=^ ova +>+.$ (^poke now ovo)
|- ^- [(list ovum) *]
?~ ova
[~ +>.^$]
:: upgrade the kernel
::
?: ?=(%vega -.q.i.ova)
%+ fall
(vega now t.ova ({@ @} +.q.i.ova))
[~ +>.^$]
:: iterate over effects, handling those on arvo proper
:: and passing the rest through as output
::
=^ vov +>+.^$ (feck now i.ova)
?~ vov
$(ova t.ova)
=/ avo $(ova t.ova)
[[+.vov -.avo] +.avo]
::
++ wish |=(* (^wish ((hard @ta) +<))) :: 4
--
:: Arvo implementation core
::
|%
++ come :: load incompatible
|= [who=ship now=@da yen=@ ova=(list ovum) dub=vise nyf=pone]
^+ [ova +>]
=/ fyn (turn nyf |=([a=@tas b=vise] [a (slim b)]))
(load who now yen ova (slim dub) fyn)
::
++ load :: load compatible
|= [who=ship now=@da yen=@ ova=(list ovum) dub=vase nyf=pane]
^+ [ova +>]
=: our who
eny yen
bud dub
vanes (turn nyf |=({a/@tas b/vise} [a [b *worm]]))
==
|- ^- [(list ovum) _+>.^$]
?~ ova
[~ +>.^$]
:: iterate over effects, handling those on arvo proper
:: and passing the rest through as output
::
:: In practice, the pending effects after an upgrade
:: are the %veer moves to install %zuse and the vanes.
::
=^ vov +>.^$ (feck now i.ova)
?~ vov
$(ova t.ova)
=/ avo $(ova t.ova)
[[+.vov -.avo] +.avo]
::
++ peek :: external inspect
|= {now/@da hap/path}
^- (unit)
?~ hap [~ hoon-version]
=+ rob=((sloy ~(beck (is our vil eny bud vanes) now)) [151 %noun] hap)
?~ rob ~
?~ u.rob ~
[~ u.u.rob]
::
++ poke :: external apply
|= [now=@da ovo=ovum]
=. eny (mix eny (shaz now))
^- [(list ovum) _+>.$]
::
:: These external events are actually effects on arvo proper.
:: They can also be produced as the effects of other events.
:: In either case, they fall through here to be handled
:: after the fact in +feck.
::
?: ?=(?(%veer %verb %wack) -.q.ovo)
[[ovo ~] +>.$]
::
=^ zef vanes
(~(hurl (is our vil eny bud vanes) now) lac ovo)
[zef +>.$]
:: +feck: handle an arvo effect
::
++ feck
|= [now=@da ovo=ovum]
^- [(unit ovum) _+>.$]
?+ -.q.ovo
:: pass through unrecognized effect
::
[[~ ovo] +>.$]
:: toggle event verbose event printfs
::
%verb
[~ +>.$(lac !lac)]
:: install %zuse or vane
::
%veer
[~ (veer our now q.ovo)]
:: add data to memory profile
::
%mass
=. q.q.ovo
:- %userspace
:- %|
:~ hoon+`pit
zuse+`bud
:: hoon-cache+`p.niz
q.q.ovo
dot+`.
==
[[~ ovo] +>.$]
:: add entropy
::
%wack
?> ?=(@ q.q.ovo)
=. eny (mix eny (shaz q.q.ovo))
[~ +>.$]
==
::
++ vega :: reboot kernel
|= $: :: now: current date
:: ova: actions to process after reboot
:: hun: hoon.hoon source
:: arv: arvo.hoon source
::
now=@da
ova=(list ovum)
hun=@t
van=@t
==
^- (unit (pair (list ovum) *))
:: virtualize; dump error if we fail
::
=- ?:(?=(%| -.res) ((slog p.res) ~) `p.res)
^= res %- mule |.
:: produce a new kernel and an effect list
::
^- (pair (list ovum) *)
:: compile the hoon.hoon source with the current compiler
::
=/ raw
~& [%hoon-compile `@p`(mug hun)]
(ride %noun hun)
:: activate the new compiler gate, producing +ride
::
=/ cop .*(0 +.raw)
:: find the hoon version number of the new kernel
::
=/ nex
(@ .*(cop q:(~(mint ut p.raw) %noun [%limb %hoon-version])))
?> |(=(nex hoon-version) =(+(nex) hoon-version))
:: if we're upgrading language versions, recompile the compiler
::
:: hot: raw compiler formula
::
=> ?: =(nex hoon-version)
[hot=`*`raw .]
~& [%hoon-compile-upgrade nex]
=/ hot
.*(cop [%9 2 %10 [6 %1 [%noun hun]] %0 1])
.(cop .*(0 +.hot))
:: extract the hoon core from the outer gate (+ride)
::
=/ hoc .*(cop [%0 7])
:: compute the type of the hoon.hoon core
::
=/ hyp
-:.*(cop [%9 2 %10 [6 %1 [-.hot '+>']] %0 1])
:: compile arvo
::
=/ rav
~& [%arvo-compile `@p`(mug hyp) `@p`(mug van)]
.*(cop [%9 2 %10 [6 %1 [hyp van]] %0 1])
:: activate arvo, and extract the arvo core from the outer gate
::
=/ voc .*(hoc [%7 +.rav %0 7])
:: entry gate: ++load for the normal case, ++come for upgrade
::
=/ gat
=/ arm ?:(=(nex hoon-version) 'load' 'come')
:: compute the type of the arvo.hoon core
::
=/ vip -:.*(cop [%9 2 %10 [6 %1 [-.rav '+>']] %0 1])
:: compute the formula for the upgrade gate
::
=/ fol +:.*(cop [%9 2 %10 [6 %1 [vip arm]] %0 1])
:: produce the upgrade gate
::
.*(voc fol)
:: upgrade gate sample
::
=/ sam
:* our
now
eny
ova
bud
(turn vanes |=([label=@tas =vane] [label vase.vane]))
==
:: call into the new kernel
::
=/ out
.*(gat [%9 2 %10 [6 %1 sam] %0 1])
:: tack a reset notification onto the product
::
[[[/ %vega ~] ((list ovum) -.out)] +.out]
:: +veer: install %zuse or a vane
::
:: Identity is in the sample so the larval stage
:: can use this as well.
::
++ veer
|= [who=ship now=@da fav=curd]
=> .(fav ((hard {$veer lal/@ta pax/path txt/@t}) fav))
=- ?:(?=(%| -.res) ((slog p.res) +>.$) p.res)
^= res %- mule |.
?: =(%$ lal.fav)
~& [%tang pax.fav `@p`(mug txt.fav)]
=+ gen=(rain pax.fav txt.fav)
=+ vax=(slap pit gen)
+>.^$(bud vax)
%_ +>.^$
vanes
|- ^+ vanes
?~ vanes
~& [%vane `@tas`lal.fav pax.fav `@p`(mug txt.fav)]
=+ vin=(vint who lal.fav vil bud pax.fav txt.fav)
?~ vin
vanes
[[lal.fav vane:u.vin] vanes]
?. =(lal.fav label.i.vanes)
[i.vanes $(vanes t.vanes)]
~& [%vane `@tas`lal.fav pax.fav `@p`(mug txt.fav)]
:_ t.vanes
:- label.i.vanes
~| [%failed-vane-activation now lal.fav]
vane:(ruck:(vent who lal.fav vil bud [vase.vane.i.vanes *worm]) pax.fav txt.fav)
==
::
++ wish :: external compute
|= txt/@
q:(slap bud (ream txt))
--
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