=> ..ride => |% +| %global :: ++ arvo %240 :: :: $arch: node identity :: $axal: fundamental node, recursive :: $axil: fundamental node :: $beak: global context :: $beam: global name :: $bone: opaque duct handle :: $case: global version :: $cage: marked vase :: +cask: marked data builder :: $desk: local workspace :: $dock: message target :: $gang: infinite set of peers :: $mark: symbolic content type :: $mien: orientation :: +omen: namespace path and data :: $ship: network identity :: $sink: subscription :: +$ arch (axil @uvI) ++ axal |$ [item] [fil=(unit item) dir=(map @ta $)] :: ++ axil |$ [item] [fil=(unit item) dir=(map @ta ~)] :: +$ beak (trel ship desk case) +$ beam [beak s=path] +$ bone @ud +$ case $% :: %da: date :: %tas: label :: %ud: sequence :: [%da p=@da] [%tas p=@tas] [%ud p=@ud] == +$ cage (cask vase) ++ cask |$ [a] (pair mark a) +$ desk @tas +$ dock (pair @p term) +$ gang (unit (set ship)) +$ mark @tas +$ mien [our=ship now=@da eny=@uvJ] ++ omen |$ [a] (pair path (cask a)) +$ ship @p +$ sink (trel bone ship path) :: +| %meta :: :: +hypo: type-associated builder :: $meta: meta-vase :: $maze: vase, or meta-vase :: ++ hypo |$ [a] (pair type a) +$ meta (pair) +$ maze (each vase meta) :: +| %interface :: :: $ball: dynamic kernel action :: $card: tagged, untyped event :: $duct: causal history :: +hobo: %soft task builder :: $goof: crash label and trace XX fail/ruin/crud/flaw/lack/miss :: $mass: memory usage :: $move: cause and action :: $ovum: card with cause :: $roof: namespace :: $rook: meta-namespace (super advanced) :: +room: generic namespace :: +roon: partial namespace :: $root: raw namespace :: $view: namespace perspective :: +wind: kernel action builder :: $wire: event pretext :: +wite: kernel action/error builder :: +$ ball (wite [vane=term task=maze] maze) +$ card (cask) +$ duct (list wire) ++ hobo |$ [a] $? $% [%soft p=*] == a == +$ goof [mote=term =tang] +$ mass $~ $+|+~ (pair cord (each * (list mass))) +$ move [=duct =ball] +$ ovum [=wire =card] :: +$ roof (room vase) :: namespace +$ rook (room meta) :: meta-namespace ++ room :: either namespace |$ [a] $~ =>(~ |~(* ~)) $- $: lyc=gang :: leakset vis=view :: perspective bem=beam :: path == :: %- unit :: ~: unknown %- unit :: ~ ~: invalid (cask a) +$ roon :: partial namespace $~ =>(~ |~(* ~)) $- [lyc=gang car=term bem=beam] (unit (unit cage)) +$ root $-(^ (unit (unit))) +$ view $@(term [way=term car=term]) :: ++ wind |$ :: a: forward :: b: reverse :: [a b] $% :: %pass: advance :: %slip: lateral :: %give: retreat :: [%pass p=path q=a] [%slip p=a] [%give p=b] == +$ wire path ++ wite |$ :: note: a routed $task :: gift: a reverse action :: :: NB: task: a forward action :: sign: a sourced $gift :: [note gift] $% :: %hurl: action failed :: %pass: advance :: %slip: lateral :: %give: retreat :: [%hurl =goof wite=$;($>(?(%pass %give) $))] [%pass =wire =note] [%slip =note] [%give =gift] == :: +| %implementation :: :: $debt: ephemeral state :: $grub: persistent state, larval stage :: $germ: worklist source and bar stack :: $heir: upgradeable state :: $plan: worklist :: $soul: persistent state :: $vane: kernel module :: $vere: runtime version :: $vile: reflexive constants :: $waif: arvo task, from anywhere :: $wasp: arvo task, from Outside :: $weft: kelvin version, tag and number :: $worm: compiler cache :: $wisp: arvo task, larval stage :: $wynn: kelvin stack :: +$ debt $: :: run: list of worklists :: out: pending output :: kel: kernel files :: fil: pending files :: run=(list plan) out=(list ovum) kel=(list (pair path (cask))) fil=(list (pair path (cask))) == +$ germ [vane=term bars=(list duct)] +$ grub $: :: who: identity once we know it :: eny: entropy once we learn it :: lac: laconicity as we want it :: ver: the Outside as we see it :: fat: source when we attain it :: lul: %lull when we acquire it :: zus: %zuse once we receive it :: van: vanes while we desire it :: who=(unit ship) eny=(unit @) lac=? ver=(unit vere) fat=(unit (axal (cask))) lul=(unit (trap vase)) zus=(unit (trap vase)) van=(map term (trap vase)) == +$ heir $% $: %grub $% [_arvo =grub] == == [_arvo =debt =soul] == +$ plan (pair germ (list move)) +$ soul $: :: identity, time, entropy :: fad: configuration :: zen: Outside knowledge :: mod: internal modules :: mien $= fad $: :: lac: not verbose :: lac=? == $= zen $: :: ver: runtime version :: lag: upgrade blocked :: ver=vere lag=_| == $= mod $: :: fat: filesystem :: lul: %lull :: zus: %zuse :: van: vanes :: fat=(axal (cask)) lul=vase zus=vase van=(map term vane) == == +$ vane [=vase =worm] +$ vere [[non=@ta rev=path] kel=wynn] +$ vile $: typ=type :: -:!>(*type) duc=type :: -:!>(*duct) wir=type :: -:!>(*wire) dud=type :: -:!>(*(unit goof)) == :: +$ waif :: %trim: trim state, spam to all :: %what: update from files :: %whey: produce $mass :: XX remove, scry :: %verb: toggle laconicity :: %whiz: prime vane caches :: $% [%trim p=@ud] [%what p=(list (pair path (cask)))] [%whey ~] [%verb p=(unit ?)] [%whiz ~] == +$ wasp :: %crud: reroute $ovum with $goof :: %wack: iterate entropy :: %wyrd: check/record runtime kelvin stack :: $% [%crud =goof =ovum] [%wack p=@uvJ] [%wyrd p=vere] == +$ weft [lal=@tas num=@ud] +$ worm $: :: +nest, +play, and +mint :: nes=(set ^) pay=(map (pair type hoon) type) mit=(map (pair type hoon) (pair type nock)) == +$ wisp $% $>(?(%verb %what) waif) $>(?(%wack %wyrd) wasp) [%whom p=ship] == +$ wynn (list weft) -- => :: ~% %hex ..ut ~ |% :::::::::::::::::::::::::::::::::::::::::::::::::::::::::: :: section 3bE, Arvo core :: :: ++ en-beam |=(b=beam =*(s scot `path`[(s %p p.b) q.b (s r.b) s.b])) :: ++ de-beam ~/ %de-beam |= p=path ^- (unit beam) ?. ?=([@ @ @ *] p) ~ ?~ who=(slaw %p i.p) ~ ?~ des=?~(i.t.p (some %$) (slaw %tas i.t.p)) ~ :: XX +sym ;~(pose low (easy %$)) ?~ ved=(de-case i.t.t.p) ~ `[[`ship`u.who `desk`u.des u.ved] t.t.t.p] :: ++ de-case ~/ %de-case |= =knot ^- (unit case) ?^ num=(slaw %ud knot) `[%ud u.num] ?^ wen=(slaw %da knot) `[%da u.wen] ?~ lab=(slaw %tas knot) ~ `[%tas u.lab] :: ++ en-omen |= [vis=view bem=beam] ^- path :_ (en-beam bem) ?@ vis vis ~(rent co [%many $/tas/way.vis $/tas/car.vis ~]) :: ++ de-omen ~/ %de-omen |= pax=path ^- (unit [vis=view bem=beam]) ?~ pax ~ ?~ bem=(de-beam t.pax) ~ ?: ((sane %tas) i.pax) `[i.pax u.bem] =/ lot=(unit coin) (rush i.pax ;~(pfix dot perd:so)) ?. ?& ?=(^ lot) ?=([%many [%$ %tas @] [%$ %tas @] ~] u.lot) == ~ `[[q.p.i q.p.i.t]:p.u.lot u.bem] :: ++ look ~/ %look |= [rof=roof lyc=gang] ^- root ~/ %in |= [ref=* raw=*] ?~ pax=((soft path) raw) ~ ?~ mon=(de-omen u.pax) ~ ?~ dat=(rof lyc u.mon) ~ ?~ u.dat [~ ~] =* vax q.u.u.dat ?. ?& ?=(^ ref) =(hoon-version -.ref) -:(~(nets wa *worm) +.ref p.vax) == ~>(%slog.[0 leaf+"arvo: scry-lost"] ~) [~ ~ q.vax] :: |wyrd: kelvin negotiation :: :: specified but unimplemented: :: arvo should produce a [wend/wynn] effect :: to signal downgrade :: ++ wyrd |% :: +sane: kelvin stack for validity :: ++ sane |= kel=wynn ^- ? ?: =(~ kel) & =^ las=weft kel kel |- ^- ? ?~ kel & ?& (gte num.las num.i.kel) $(las i.kel, kel t.kel) == :: +need: require kelvins :: ++ need |= [run=wynn hav=wynn] :: wyr: ~: runtime supports all required kelvins :: ^: runtime support is missing or lagging :: =; wyr !. ?~ wyr same ~& wyrd=wyr ~_ :+ %rose [" " ~ ~] :~ =+ p.u.wyr leaf/"%{(trip lal)} %{(scow %ud num)} required;" ?~ q.u.wyr leaf/"runtime missing support" leaf/"runtime only supports %{(scow %ud u.q.u.wyr)}" == ~> %mean.'arvo: upgrade blocked' ~> %mean.'wyrd' !! :: |- ^- (unit (pair weft (unit @ud))) ?~ hav ~ :: :: fel: %&: runtime kelvin for [i.hav] :: %|: no specified runtime support :: =/ fel |- ^- (each @ud weft) ?~ run |/i.hav ?:(=(lal.i.hav lal.i.run) &/num.i.run $(run t.run)) :: ?- -.fel %| `[p.fel ~] %& ?.((lte p.fel num.i.hav) `[i.hav `p.fel] $(hav t.hav)) == -- :: :: |de: axal engine :: ++ de =| fat=(axal) |@ :: ++ get |= pax=path ^+ fat ?~ pax fat =/ kid (~(get by dir.fat) i.pax) ?~ kid [~ ~] $(fat u.kid, pax t.pax) :: ++ put |* [pax=path dat=*] => .(dat `_?>(?=(^ fil.fat) u.fil.fat)`dat) ^+ fat ?~ pax fat(fil `dat) =/ kid (~(get by dir.fat) i.pax) =/ new (fall kid fat(fil ~, dir ~)) fat(dir (~(put by dir.fat) i.pax $(fat new, pax t.pax))) :: ++ gas |= lit=(list (pair path _?>(?=(^ fil.fat) u.fil.fat))) ^+ fat ?~ lit fat $(fat (put p.i.lit q.i.lit), lit t.lit) :: ++ tap =| pax=path =| out=(list (pair path _?>(?=(^ fil.fat) u.fil.fat))) |- ^+ out =? out ?=(^ fil.fat) :_(out [pax u.fil.fat]) =/ dir ~(tap by dir.fat) |- ^+ out ?~ dir out %= $ dir t.dir out ^$(pax (weld pax /[p.i.dir]), fat q.i.dir) == -- :: ++ wa :: cached compile |_ worm ++ nell |=(ref=type (nest [%cell %noun %noun] ref)) :: nest in cell ++ nest :: nest:ut, cached |= [sut=type ref=type] ^- [? worm] ?: (~(has in nes) [sut ref]) [& +>+<] ?. (~(nest ut sut) | ref) ~& %nest-failed =+ foo=(skol ref) =+ bar=(skol sut) ~& %nest-need ~> %slog.[0 bar] ~& %nest-have ~> %slog.[0 foo] [| +>+<.$] [& +>+<(nes (~(put in nes) [sut ref]))] :: ++ call :: call gate |= [vax=vase nam=term som=(each vase ^)] ^- [vase worm] =^ duf +>+<.$ (open vax nam som) (slap duf [%limb %$]) :: ++ open :: assemble door |= [vax=vase nam=term som=(each vase ^)] ^- [vase worm] =* key [%cncb [[%& 2] ~] [[[%& 6] ~] [%$ 3]] ~] =^ dor +>+<.$ (slap vax [%limb nam]) =^ mes +>+<.$ (slot 6 dor) =^ hip +>+<.$ ?- -.som %& (nest p.mes p.p.som) %| (nets p.mes -.p.som) == ?> hip [[p.dor q.dor(+6 +7.som)] +>+<.$] :: ++ neat :: type compliance |= [typ=type som=(each vase ^)] ^- worm =^ hip +>+<.$ ?- -.som %& (nest typ p.p.som) %| (nets typ -.p.som) == ?> hip +>+<.$ :: ++ nets :: typeless nest |= [sut=* ref=*] ^- [? worm] ?: (~(has in nes) [sut ref]) [& +>+<] =+ gat=|=([a=type b=type] (~(nest ut a) | b)) ?. (? (slum gat [sut ref])) ~& %nets-failed =+ tag=`*`skol =+ foo=(tank (slum tag ref)) =+ bar=(tank (slum tag sut)) ~& %nets-need ~> %slog.[0 bar] ~& %nets-have ~> %slog.[0 foo] [| +>+<.$] [& +>+<.$(nes (~(put in nes) [sut ref]))] :: +play: +play:ut, cached :: ++ play |= [sut=type gen=hoon] ^- [type worm] =+ old=(~(get by pay) [sut gen]) ?^ old [u.old +>+<.$] =+ new=(~(play ut sut) gen) [new +>+<.$(pay (~(put by pay) [sut gen] new))] :: +mint: +mint:ut to noun, cached :: ++ mint |= [sut=type gen=hoon] ^- [(pair type nock) worm] =+ old=(~(get by mit) [sut gen]) ?^ old [u.old +>+<.$] =+ new=(~(mint ut sut) %noun gen) [new +>+<.$(mit (~(put by mit) [sut gen] new))] :: +slam: +slam:ut, cached :: ++ slam |= [gat=vase sam=vase] =/ sut=type [%cell p.gat p.sam] =/ gen=hoon [%cnsg [%$ ~] [%$ 2] [%$ 3] ~] =^ new=type +>+<.$ (play sut gen) [[new (slum q.gat q.sam)] +>+<.$] :: +slap: +slap:ut, cached :: ++ slap |= [vax=vase gen=hoon] ^- [vase worm] =^ gun +>+< (mint p.vax gen) [[p.gun .*(q.vax q.gun)] +>+<.$] :: +slot: +slot:ut, cached :: ++ slot |= [axe=@ vax=vase] ^- [vase worm] =^ gun +>+< (mint p.vax [%$ axe]) [[p.gun .*(q.vax [0 axe])] +>+<.$] :: :: +slur: slam a vase with a maze :: ++ slur |= [gat=vase sam=maze] ^- [vase worm] =^ cur +>+<.$ (slot 6 gat) =. +>+<.$ (neat p.cur sam) (slym gat q.p.sam) :: +slym: +slym:ut, cached :: ++ slym |= [gat=vase sam=*] ^- [vase worm] (slap gat(+<.q sam) [%limb %$]) :: ++ sped :: specialize vase |= vax=vase ^- [vase worm] =+ ^= gen ^- hoon ?@ q.vax [%wtts [%base [%atom %$]] [%& 1]~] ?@ -.q.vax [%wtts [%leaf %tas -.q.vax] [%& 2]~] [%wtts [%base %cell] [%& 1]~] =^ typ +>+<.$ (play p.vax [%wtgr gen [%$ 1]]) [[typ q.vax] +>+<.$] :: ++ spot :: slot then sped |= [axe=@ vax=vase] ^- [vase worm] =^ xav +>+< (slot axe vax) (sped xav) :: ++ stop :: sped then slot |= [axe=@ vax=vase] ^- [vase worm] =^ xav +>+< (sped vax) (slot axe xav) -- :: :: |part: arvo structures and engines :: ++ part => |% :: $card: tagged, untyped event :: $ovum: card with cause :: $news: collated updates :: $oped: module updates :: $seed: next kernel source :: +$ news $: :: sys: installs + replacements :: use: non-system files :: sys=(map path (cask)) use=(map path (cask)) == +$ oped $: lul=(unit cord) zus=(unit cord) van=(list (cask cord)) == +$ seed [hun=(unit cord) arv=cord] -- :: ~% %part ..part ~ |% :: +| %engines :: :: |eden: lifecycle and bootstrap formula generators :: :: while unused by arvo itself, these nock formulas :: bootstrap arvo and define its lifecycle. :: :: we're creating an event series E whose lifecycle can be computed :: with the urbit lifecycle formula L, `[2 [0 3] [0 2]]`. that is: :: if E is the list of events processed by a computer in its life, :: its final state is S, where S is nock(E L). :: :: in practice, the first five nouns in E are: two boot formulas, :: a hoon compiler as a nock formula, the same compiler as source, :: and the arvo kernel as source. :: :: after the first five special events, we enter an iterative :: sequence of regular events which continues for the rest of the :: computer's life. during this sequence, each state is a function :: that, passed the next event, produces the next state. :: :: a regular event is an $ovum, or `[date wire type data]` tuple, where :: `date` is a 128-bit Urbit date; `wire` is an opaque path which :: output can match to track causality; `type` is a symbol describing :: the type of input; and `data` is input data specific to `type`. :: :: in real life we don't actually run the lifecycle loop, :: since real life is updated incrementally and also cares :: about things like output. we couple to the internal :: structure of the state machine and work directly with :: the underlying arvo engine. :: :: this arvo core, which is at `+7` (Lisp `cddr`) of the state :: function (see its public interface in `sys/arvo`), gives us :: extra features, like output, which are relevant to running :: a real-life urbit vm, but don't affect the formal definition. :: :: so a real-life urbit interpreter is coupled to the shape of :: the arvo core. it becomes very hard to change this shape. :: fortunately, it is not a very complex interface. :: ++ eden |% :: +aeon: arvo lifecycle loop :: :: the first event in a ship's log, :: computing the final state from the rest of log :: when invoked via the lifecycle formula: [%2 [%0 3] %0 2] :: :: the formal urbit state is always just a gate (function) :: which, passed the next event, produces the next state. :: ++ aeon ^- * => :: boot: kernel bootstrap, event 2 :: tale: events 3-n :: *log=[boot=* tale=*] != :: arvo: bootstrapped kernel :: epic: remainder of the log :: =+ [arvo epic]=.*(tale.log boot.log) |- ^- * ?@ epic arvo %= $ epic +.epic arvo .*(arvo [%9 2 %10 [6 %1 -.epic] %0 1]) == :: :: +boot: event 2: bootstrap a kernel from source :: ++ boot ^- * :: :: event 2 is the startup formula, which verifies the compiler :: and starts the main lifecycle. :: => :: fate: event 3: a nock formula producing the hoon bootstrap compiler :: hoon: event 4: compiler source :: arvo: event 5: kernel source :: epic: event 6-n :: *log=[fate=* hoon=@ arvo=@ epic=*] != :: :: activate the compiler gate. the product of this formula :: is smaller than the formula. so you might think we should :: save the gate itself rather than the formula producing it. :: but we have to run the formula at runtime, to register jets. :: :: as always, we have to use raw nock as we have no type. :: the gate is in fact ++ride. :: ~> %slog.[0 leaf+"1-b"] =/ compiler-gate .*(0 fate.log) :: :: compile the compiler source, producing (pair span nock). :: the compiler ignores its input so we use a trivial span. :: ~> %slog.[0 leaf+"1-c (compiling compiler, wait a few minutes)"] =/ compiler-tool .*(compiler-gate [%9 2 %10 [6 %1 noun/hoon.log] %0 1]) :: :: switch to the second-generation compiler. we want to be :: able to generate matching reflection nouns even if the :: language changes -- the first-generation formula will :: generate last-generation spans for `!>`, etc. :: ~> %slog.[0 leaf+"1-d"] =. compiler-gate .*(0 +:compiler-tool) :: :: get the span (type) of the kernel core, which is the context :: of the compiler gate. we just compiled the compiler, :: so we know the span (type) of the compiler gate. its :: context is at tree address `+>` (ie, `+7` or Lisp `cddr`). :: we use the compiler again to infer this trivial program. :: ~> %slog.[0 leaf+"1-e"] =/ kernel-span -:.*(compiler-gate [%9 2 %10 [6 %1 [-.compiler-tool '+>']] %0 1]) :: :: compile the arvo source against the kernel core. :: ~> %slog.[0 leaf+"1-f"] =/ kernel-tool .*(compiler-gate [%9 2 %10 [6 %1 [kernel-span arvo.log]] %0 1]) :: :: create the arvo kernel, whose subject is the kernel core. :: ~> %slog.[0 leaf+"1-g"] [.*(+>:compiler-gate +:kernel-tool) epic.log] -- :: :: |adapt :: ++ adapt => |% :: deep file as source :: ++ sole |=(a=(cask) `cord`?>(?=([%hoon @t] a) q.a)) -- |_ fat=(axal (cask)) :: :: +group: collate changes :: ++ group |= fal=(list (pair path (cask))) =| del=news |- ^+ del ?~ fal del :: classify files, ignoring unchanged :: =* pax p.i.fal =* dat q.i.fal =/ hav (~(get de fat) pax) =? del |(?=(~ fil.hav) !=(u.fil.hav dat)) ?: ?=([%sys *] pax) del(sys (~(put by sys.del) pax dat)) del(use (~(put by use.del) pax dat)) $(fal t.fal) :: +usurp: consider self-replacement :: ++ usurp |= del=news ^- (unit (pair seed (list (pair path (cask))))) =/ hun (~(get by sys.del) /sys/hoon) =/ arv (~(get by sys.del) /sys/arvo) ?~ hun ?~ arv ~ `[`(sole u.arv) [/sys/arvo u.arv] ~] =/ rav ~| %usurp-hoon-no-arvo ((bond |.((need fil:(~(get de fat) /sys/arvo)))) arv) ~! rav :+ ~ [`(sole u.hun) (sole rav)] [[/sys/arvo rav] [/sys/hoon u.hun] ~] :: +adorn: augment capabilities :: ++ adorn |= [del=news all=?] ^- (pair oped _fat) :: lull: shared structures :: =^ lul fat ?^ hav=(~(get by sys.del) /sys/lull) :- `(sole u.hav) (~(put de fat) /sys/lull u.hav) :_ fat ~| %adorn-no-lull ?.(all ~ `(sole (need fil:(~(get de fat) /sys/lull)))) :: zuse: shared library :: :: %lull is the subject of %zuse; force all if we have a new %lull :: =. all |(all ?=(^ lul)) =^ zus fat ?^ hav=(~(get by sys.del) /sys/zuse) :- `(sole u.hav) (~(put de fat) /sys/zuse u.hav) :_ fat ~| %adorn-no-zuse ?.(all ~ `(sole (need fil:(~(get de fat) /sys/zuse)))) :: kernel modules :: :: %zuse is the subject of the vanes; force all if we have a new %zuse :: =. all |(all ?=(^ zus)) =| nav=(map term cord) =? nav all %- ~(gas by nav) %+ turn ~(tap by dir:(~(get de fat) /sys/vane)) |=([name=@ta _fat] [`@tas`name (sole (need fil))]) :: =^ new fat %^ spin %+ skim ~(tap by sys.del) |=([p=path *] ?=([%sys %vane @tas ~] p)) fat |= [[p=path q=(cask)] taf=_fat] ^- (pair (cask cord) _fat) ?> ?=([%sys %vane @tas ~] p) =* nam i.t.t.p ?> ((sane %tas) nam) [[`@tas`nam (sole q)] (~(put de taf) p q)] :: =; van [[lul zus van] fat] %+ sort ~(tap by (~(gas by nav) new)) |=([[a=@tas *] [b=@tas *]] (aor a b)) -- :: adapt :: :: |me: dynamic analysis :: ++ me ~/ %me |_ :: sac: compiler cache :: pyt: cached types :: [sac=worm vil=vile] :: +refine-moves: move list from vase :: ++ refine-moves |= vax=vase ^- (pair (list move) 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: move from vase :: ++ refine-move |= vax=vase ^- (pair move worm) ~> %mean.'bad-move' =^ hip sac (~(nell wa sac) p.vax) ?. hip ~>(%mean.'not-cell' !!) =/ duc ~> %mean.'bad-duct' ;;(duct -.q.vax) :: :: yat: specialized ball vase :: =^ yat sac (~(spot wa sac) 3 vax) =^ del sac (refine-ball yat) [[duc del] sac] :: +refine-ball: ball from vase :: ++ refine-ball |= vax=vase ^- (pair ball worm) ?+ q.vax ~> %mean.'bad-ball' ~_ (sell vax) !! :: [%give card] :: yed: vase containing card :: hil: card as maze :: =^ yed sac (~(spot wa sac) 3 vax) =^ hil sac (refine-card yed) [[%give hil] sac] :: [%pass wire=* vane=term card] =/ =wire ~> %mean.'bad-wire' ;;(wire wire.q.vax) =/ vane ~> %mean.'bad-vane-label' ?> ((sane %tas) vane.q.vax) vane.q.vax :: :: yed: vase containing card :: hil: card as maze :: =^ xav sac (~(spot wa sac) 7 vax) =^ yed sac (~(spot wa sac) 3 xav) =^ hil sac (refine-card yed) [[%pass wire vane hil] sac] :: [%slip vane=term card] =/ vane ~> %mean.'bad-vane-label' ?> ((sane %tas) vane.q.vax) vane.q.vax :: :: yed: vase containing card :: hil: card as maze :: =^ xav sac (~(spot wa sac) 3 vax) =^ yed sac (~(spot wa sac) 3 xav) =^ hil sac (refine-card yed) [[%slip vane hil] sac] :: [%hurl goof=^ ball=*] =/ =goof =/ mote -.goof.q.vax ?> ?& ?=(@ mote) ((sane %tas) mote) == [mote ;;(tang +.goof.q.vax)] :: =^ bal sac =^ lab sac (~(spot wa sac) 7 vax) $(vax lab) :: ?> ?=(?(%pass %give) -.p.bal) [[%hurl goof p.bal] sac] == :: +refine-card: card from vase :: ++ refine-card |= vax=vase ^- (pair maze worm) ~> %mean.'bad-card' =^ hip sac (~(nell wa sac) p.vax) ?> hip ?. ?=(%meta -.q.vax) :: :: for a non-meta card, the maze is the vase :: [[%& vax] sac] ~> %mean.'bad-meta' :: :: tiv: vase of vase of card :: typ: vase of span :: =^ tiv sac (~(slot wa sac) 3 vax) =^ hip sac (~(nell wa sac) p.tiv) ?> hip =^ typ sac (~(slot wa sac) 2 tiv) =. sac (~(neat wa sac) typ.vil [%& typ]) :: :: support for meta-meta-cards has been removed :: ?> ?=(meta q.tiv) [[%| q.tiv] sac] -- :: :: |va: vane engine :: ++ va => |% +$ vane-sample [now=@da eny=@uvJ rof=rook] :: ++ smit |= [cap=tape sub=vase pax=path txt=@t] ^- vase ~> %slog.[0 leaf/"{cap}: {(scow p+(mug txt))}"] %- road |. ~_ leaf/"{cap}: build failed" (slap sub (rain pax txt)) :: ++ create |= [our=ship zus=vase lal=term pax=path txt=@t] ^- vase =/ cap "vane %{(trip lal)}" (slym (smit cap zus pax txt) our) :: ++ settle |= van=vase ^- (pair vase worm) =| sac=worm =^ rig=vase sac (~(slym wa sac) van *vane-sample) =^ gat=vase sac (~(slap wa sac) rig [%limb %scry]) =^ pro=vase sac (~(slap wa sac) gat [%limb %$]) [van +:(~(mint wa sac) p.pro [%$ 7])] :: :: XX pass identity to preserve behavior? :: ++ update |= [las=vase nex=vase] ^- vase =/ sam=vase (slap (slym las *vane-sample) [%limb %stay]) =/ gat=vase (slap (slym nex *vane-sample) [%limb %load]) (slam gat sam) -- :: ~% %va ..va ~ |_ [vil=vile vax=vase sac=worm] :: :: |plow:va: operate in time and space :: ++ plow |= [now=@da rok=rook] |% :: +peek:plow:va: read from a local namespace :: ++ peek ^- rook |= [lyc=gang vis=view bem=beam] ^- (unit (unit (cask meta))) :: namespace reads receive no entropy :: =/ sam=vane-sample [now *@uvJ rok] =^ rig sac ~> %mean.'peek: activation failed' (~(slym wa sac) vax sam) =^ gat sac ~> %mean.'peek: pull failed' (~(slap wa sac) rig [%limb %scry]) :: =/ mas=[gang view beam] [lyc vis bem] :: =^ pro sac ~> %mean.'peek: call failed' (~(slym wa sac) gat mas) ?~ q.pro ~ ?~ +.q.pro [~ ~] =^ dat sac (~(slot wa sac) 7 pro) ``[(,mark -.q.dat) (,^ +.q.dat)] :: :: |spin:plow:va: move statefully :: ++ spin |= [hen=duct eny=@uvJ dud=(unit goof)] =* duc [duc.vil hen] =* err [dud.vil dud] =/ sam=vane-sample [now eny rok] =^ rig sac ~> %mean.'spin: activation failed' (~(slym wa sac) vax sam) :: => |% :: +slid: cons a vase onto a maze :: ++ slid |= [hed=vase tal=maze] ^- maze ?- -.tal %& [%& (slop hed p.tal)] %| [%| [%cell p.hed p.p.tal] [q.hed q.p.tal]] == -- |% :: +peel:spin:plow:va: extract products, finalize vane :: ++ peel |= pro=vase ^- (pair [vase vase] worm) =^ moz sac (~(slot wa sac) 2 pro) =^ vem sac (~(slot wa sac) 3 pro) :: replace vane sample with default to plug leak :: =. +<.q.vem *vane-sample [[moz vem] sac] :: +call:spin:plow:va: advance statefully :: ++ call |= task=maze ^- (pair [vase vase] worm) ~> %mean.'call: failed' =^ gat sac (~(slap wa sac) rig [%limb %call]) :: :: sample is [duct (unit goof) (hobo task)] :: =/ sam=maze (slid duc (slid err task)) =^ pro sac (~(slur wa sac) gat sam) (peel pro) :: +take:spin:plow:va: retreat statefully :: ++ take |= [=wire from=term gift=maze] ^- (pair [vase vase] worm) ~> %mean.'take: failed' =^ gat sac (~(slap wa sac) rig [%limb %take]) =/ src=vase [[%atom %tas `from] from] :: :: sample is [wire duct (unit goof) sign=[term gift]] :: =/ sam=maze =* tea [wir.vil wire] (slid tea (slid duc (slid err (slid src gift)))) =^ pro sac (~(slur wa sac) gat sam) (peel pro) -- -- -- :: :: |le: arvo event-loop engine :: ++ le ~% %le ..le ~ =| $: :: run: list of worklists :: out: pending output :: gem: worklist metadata :: dud: propagate error :: but: reboot signal :: :: run=(list plan) out=(list ovum) gem=germ dud=(unit goof) $= but %- unit $: gat=$-(heir (trap ^)) kel=(list (pair path (cask))) fil=(list (pair path (cask))) == == :: |_ [[pit=vase vil=vile] soul] +* this . sol +<+ :: :: +abet: finalize loop :: ++ abet ^- (each (pair (list ovum) soul) (trap ^)) ?~ but ^- [%& (pair (list ovum) soul)] &/[(flop out) sol] |/(gat.u.but [arvo [run out [kel fil]:u.but] sol]) :: +poke: prepare a worklist-of-one from outside :: ++ poke |= =ovum ^+ this ~> %mean.'arvo: poke crashed' ~? !lac.fad ["" %unix p.card.ovum wire.ovum now] (poke:pith ovum) :: ++ jump |= =debt ^+ this =: run run.debt out out.debt == :: apply remaining update :: =. ..this (~(lod what:pith fil.debt) kel.debt) :: send upgrade notifications :: =+ [wir car]=[/arvo vega/~] =. ..this (xeno:pith $/wir car) (emit $/~ (spam:pith wir !>(car))) :: +emit: enqueue a worklist with source :: ++ emit |= pan=plan this(run [pan run]) :: +loop: until done :: ++ loop ^+ abet ?: ?| ?=(~ run) ?=(^ but) == abet ?: =(~ q.i.run) :: XX TMI loop(run t.run) =. dud ~ =. gem p.i.run =^ mov=move q.i.run q.i.run loop:(step mov) :: +step: advance the loop one step by routing a move :: ++ step |= =move ^+ this :: ~? &(!lac.fad ?=(^ dud)) %goof :: ?- -.ball.move :: :: %pass: forward move :: %pass =* wire wire.ball.move =* duct duct.move =* vane vane.note.ball.move =* task task.note.ball.move :: ~? &(!lac.fad !=(%$ vane.gem)) :- (runt [(lent bars.gem) '|'] "") :^ %pass [vane.gem vane] ?: ?=(?(%deal %deal-gall) +>-.task) :- :- +>-.task ;;([[ship ship] term term] [+>+< +>+>- +>+>+<]:task) wire [(symp +>-.task) wire] duct :: :: cons source onto wire, and wire onto duct :: (call [[vane.gem wire] duct] vane task) :: :: %slip: lateral move :: %slip =* duct duct.move =* vane vane.note.ball.move =* task task.note.ball.move :: ~? !lac.fad :- (runt [(lent bars.gem) '|'] "") [%slip [vane.gem vane] (symp +>-.task) duct] :: (call duct vane task) :: :: %give: return move :: %give ?. ?=(^ duct.move) ~>(%mean.'give-no-duct' !!) :: =/ wire i.duct.move =/ duct t.duct.move =* gift gift.ball.move :: =^ way=term wire ~| [%give duct.move (symp -.q.p.gift)] ?>(?=(^ wire) wire) :: ~? &(!lac.fad !=(%$ way) |(!=(%blit +>-.gift) !=(%d vane.gem))) :- (runt [(lent bars.gem) '|'] "") :^ %give vane.gem ?: ?=(%unto +>-.gift) [+>-.gift (symp +>+<.gift)] (symp +>-.gift) duct.move :: (take duct wire way gift) :: :: %hurl: action with error :: %hurl %= $ dud `goof.ball.move ball.move wite.ball.move == == :: +whey: measure memory usage :: ++ whey ^- mass =; sam=(list mass) :+ %arvo %| :~ :+ %hoon %| :~ one+&+..bloq two+&+..turn tri+&+..year qua+&+..sane pen+&+..ride == hex+&+..part pit+&+pit lull+|+[dot+&+q typ+&+p ~]:lul.mod zuse+|+[dot+&+q typ+&+p ~]:zus.mod vane+|+sam == :: %+ turn (sort ~(tap by van.mod) |=([[a=@tas *] [b=@tas *]] (aor a b))) =/ bem=beam [[our %home da+now] /whey] ::TODO %base? |= [nam=term =vane] =; mas=(list mass) nam^|+(welp mas [dot+&+q.vase typ+&+p.vase sac+&+worm ~]:vane) ?~ met=(peek [~ ~] nam bem) ~ ?~ u.met ~ ~| mass+nam ;;((list mass) q.q.u.u.met) :: +peek: read from the entire namespace :: ++ peek ^- rook |= [lyc=gang vis=view bem=beam] ^- (unit (unit (cask meta))) :: vane and care may be concatenated :: =/ [way=term car=term] ?^ vis vis ?. =(2 (met 3 vis)) [vis %$] [(end 3 vis) (rsh 3 vis)] :: ?: ?=(%$ way) (peek:pith lyc car bem) :: =. way (grow way) ?~ van=(~(get by van.mod) way) ~ %. [lyc car bem] peek:spin:(~(plow va [vil u.van]) now peek) :: +call: advance to target :: ++ call |= [=duct way=term task=maze] ^+ this ?: ?=(%$ way) ~> %mean.'arvo: call:pith failed' %- call:pith ~> %mean.'call: bad waif' ;;(waif q.p.task) :: =. way (grow way) %+ push [way duct bars.gem] ~| bar-stack=`(list ^duct)`[duct bars.gem] %. task call:(spin:(plow way) duct eny dud) :: +take: retreat along call-stack :: ++ take |= [=duct =wire way=term gift=maze] ^+ this ?: ?=(%$ way) :: :: the caller was Outside :: ?> ?=(~ duct) (xeno:pith wire ;;(card q.p.gift)) :: the caller was a vane :: =. way (grow way) %+ push [way duct bars.gem] :: :: cons source onto .gift to make a $sign :: ~| wire=wire ~| bar-stack=`(list ^duct)`[duct bars.gem] %. [wire [vane.gem gift]] take:(spin:(plow way) duct eny dud) :: +push: finalize an individual step :: ++ push |= [gum=germ [zom=vase vax=vase] sac=worm] ^+ this =^ moz sac (~(refine-moves me sac vil) zom) =. van.mod (~(put by van.mod) vane.gum [vax sac]) (emit `plan`[`germ`gum `(list move)`moz]) :: +plow: operate on a vane, in time and space :: ++ plow |= way=term ~| [%plow-failed way] =/ =vane ~| [%missing-vane way] (~(got by van.mod) way) (~(plow va [vil vane]) now peek) :: :: |pith: operate on arvo internals :: ++ pith |% ++ gest |= =ovum ^- $>(%pass ball) =^ way=term wire.ovum wire.ovum :: :: %$: default, routed to arvo-proper as trivial vase :: @: route to vane as $hobo :: =/ =vase ?- way %$ noun/card.ovum @ [cell/[atom/tas/`%soft %noun] soft/card.ovum] == [%pass wire.ovum way &/vase] :: :: |what: update engine :: :: +kel: (maybe) initiate a kernel update :: +lod: continue with update after kernel +load :: +mod: update the modules of the kernel :: ++ what |_ fil=(list (pair path (cask))) :: ++ kel ^+ ..pith =/ del (~(group adapt fat.mod.sol) fil) =/ tub (~(usurp adapt fat.mod.sol) del) ?~ tub (mod del |) =/ gat (boot kel.ver.zen [hun arv]:p.u.tub) ..pith(but `[gat q.u.tub fil]) :: ++ lod |= kel=(list (pair path (cask))) ^+ ..pith =. fat.mod.sol (~(gas de fat.mod.sol) kel) %+ mod (~(group adapt fat.mod.sol) fil) %+ lien kel |= [p=path *] ?=([%sys ?(%arvo %hoon) *] p) :: ++ mod |= [del=news all=?] ^+ ..pith =^ job=oped fat.mod.sol (~(adorn adapt fat.mod.sol) del all) =? lul.mod.sol ?=(^ lul.job) (smit:va "lull" pit /sys/lull/hoon u.lul.job) =? zus.mod.sol ?=(^ zus.job) (smit:va "zuse" lul.mod.sol /sys/zuse/hoon u.zus.job) %- %+ need:wyrd kel.ver.zen :~ lull/;;(@ud q:(slap lul.mod.sol limb/%lull)) zuse/;;(@ud q:(slap zus.mod.sol limb/%zuse)) == %= ..pith van.mod %+ roll van.job |= [[nam=term txt=cord] van=_van.mod.sol] ^+ van =/ nex (create:va our zus.mod.sol nam /sys/vane/[nam]/hoon txt) =/ nav (~(get by van) nam) =? nex ?=(^ nav) (update:va vase.u.nav nex) (~(put by van) nam (settle:va nex)) == -- :: ++ call |= =waif ^+ ..pith ?^ dud ~>(%mean.'pith: goof' !!) ?- -.waif :: :: %trim: clear state :: :: clears compiler caches if high-priority :: XX add separate $wasp if this should happen last :: %trim =? van.mod =(0 p.waif) (~(run by van.mod) |=(=vane vane(worm *worm))) (emit $/~ (spam /arvo !>(waif))) :: %verb ..pith(lac.fad ?~(p.waif !lac.fad u.p.waif)) %what ~(kel what p.waif) %whey ..pith(out [[//arvo mass/whey] out]) :: %whiz ..pith(van.mod (~(run by van.mod) |=(vane (settle:va:part vase)))) == :: ++ peek ^- roon |= [lyc=gang car=term bem=beam] ^- (unit (unit cage)) ?. ?| =(our p.bem) ?=(%$ q.bem) =([%da now] p.r.bem) == ~ ?+ s.bem ~ [%whey ~] ``mass/!>(whey) [%fad %lac ~] ``noun/!>(lac.fad) [%zen %lag ~] ``noun/!>(lag.zen) [%zen %ver ~] ``noun/!>(ver.zen) [%mod %fat *] ``noun/!>((~(get de fat.mod) t.t.s.bem)) == :: ++ poke |= =ovum ^+ ..pith ?~ wire.ovum ~>(%mean.'pith: bad wire' !!) :: ?. ?=(?(%crud %wack %wyrd) p.card.ovum) (emit $/~ [*duct (gest ovum)] ~) :: =/ buz ~> %mean.'pith: bad wasp' ;;(wasp card.ovum) ?- -.buz :: :: %crud: forward error notification :: %crud =? lag.zen ?& ?=(%exit mote.goof.buz) ?=(^ tang.goof.buz) ?=(%leaf -.i.tang.goof.buz) :: XX ?@ ?=(%wyrd (crip p.i.tang.goof.buz)) == ~&(%lagging &) (emit $/~ [*duct hurl/[goof.buz (gest ovum.buz)]] ~) :: :: XX review :: %wack ..pith(eny (shaz (cat 3 eny p.buz))) :: :: %wyrd: check for runtime kelvin compatibility :: %wyrd ?. (sane:wyrd kel.p.buz) ~>(%mean.'wyrd: insane' !!) %- %+ need:wyrd kel.p.buz ^- wynn :~ hoon/hoon-version arvo/arvo lull/;;(@ud q:(slap lul.mod limb/%lull)) zuse/;;(@ud q:(slap zus.mod limb/%zuse)) == =? lag.zen !=(rev.ver.zen rev.p.buz) ~&(%unlagging |) ..pith(ver.zen p.buz) == :: ++ spam |= [=wire =vase] ^- (list move) %+ turn %+ sort ~(tap by van.mod) |=([[a=@tas *] [b=@tas *]] (aor a b)) |=([way=term *] `move`[*duct %pass wire way `maze`&/vase]) :: ++ xeno |= =ovum ^+ ..pith ..pith(out [ovum out]) -- -- -- :: ++ symp :: symbol or empty |= a=* ^- @tas ?.(&(?=(@ a) ((sane %tas) a)) %$ a) :: ++ boot |= [kel=wynn hun=(unit @t) van=@t] ^- $-(heir (trap ^)) ~> %mean.'arvo: upgrade failed' ~> %slog.[1 'arvo: beginning upgrade'] ?~ hun =/ gat ~> %slog.[0 'arvo: compiling next arvo'] %- road |. (slap !>(..ride) (rain /sys/arvo/hoon van)) =/ lod (slap (slot 7 gat) [%limb %load]) |= =heir |. ~> %slog.[1 'arvo: +load next'] ;;(^ q:(slam lod !>(heir))) :: :: hyp: hoon core type :: hoc: hoon core :: cop: compiler gate :: =/ [hyp=* hoc=* cop=*] :: compile new hoon.hoon source with the current compiler :: =/ raw ~> %slog.[0 'arvo: compiling hoon'] (road |.((ride %noun u.hun))) :: activate the new compiler gate, producing +ride :: =/ cop .*(0 +.raw) :: find the kelvin version number of the new compiler :: =/ nex ;;(@ .*(cop q:(~(mint ut p.raw) %noun [%limb %hoon-version]))) :: require single-step upgrade :: ?. |(=(nex hoon-version) =(+(nex) hoon-version)) =* ud |=(a=@ (scow %ud a)) ~_ leaf/"cannot upgrade to hoon %{(ud nex)} from %{(ud hoon-version)}" !! :: require runtime compatibility :: %- (need:wyrd kel [hoon/nex ~]) :: :: if we're upgrading language versions, recompile the compiler :: =^ hot=* cop ?: =(nex hoon-version) [raw cop] =/ hot ~> %slog.[0 leaf/"arvo: recompiling hoon %{(scow %ud nex)}"] (road |.((slum cop [%noun u.hun]))) [hot .*(0 +.hot)] :: extract the hoon core from the outer gate (+ride) :: =/ hoc .*(cop [%0 7]) :: compute the type of the hoon.hoon core :: =/ hyp -:(slum cop [-.hot '+>']) :: [hyp hoc cop] :: :: compile arvo :: =/ rav ~> %slog.[0 'arvo: compiling next arvo'] (road |.((slum cop [hyp van]))) :: activate arvo and extract the arvo core from the outer gate :: =/ voc .*(hoc [%7 +.rav %0 7]) :: :: extract the upgrade gate +load :: =/ lod :: vip: type of the arvo.hoon core :: fol: formula for the +load gate :: =/ vip -:(slum cop [-.rav '+>']) =/ fol +:(slum cop [vip 'load']) :: produce the upgrade gate :: .*(voc fol) :: |= =heir |. ~> %slog.[1 'arvo: +load next'] ;;(^ (slum lod heir)) :: ++ viol :: vane tools |= but=type ^- vile =+ pal=|=(a=@t ^-(type (~(play ut but) (vice a)))) :* typ=(pal '$:type') duc=(pal '$:duct') wir=(pal '$:wire') dud=(pal '=<($ (unit goof))') :: XX misparse == :: ++ grow |= way=term ?+ way way %a %ames %b %behn %c %clay %d %dill %e %eyre %g %gall %i %iris %j %jael == -- => :: :: cached reflexives :: =/ pit=vase !>(..part) =/ vil=vile (viol p.pit) :: :: arvo state, as a discriminable sample :: =| [_arvo soul] =* sol -> |% :: +load: upgrade from previous state :: ++ load :: +4 |= hir=$<(%grub heir) ^- ^ ~| %load :: store persistent state :: =. sol ?- -.hir _arvo soul.hir == :: clear compiler caches :: =. van.mod (~(run by van.mod) |=(=vane vane(worm *worm))) :: %- %+ need:wyrd kel.ver.zen ^- wynn :~ hoon/hoon-version arvo/arvo lull/;;(@ud q:(slap lul.mod limb/%lull)) zuse/;;(@ud q:(slap zus.mod limb/%zuse)) == :: restore working state and resume :: =/ zef=(each (pair (list ovum) soul) (trap ^)) loop:(~(jump le:part [pit vil] sol) debt.hir) ?- -.zef %& [p.p.zef ..load(sol q.p.zef)] %| $:p.zef == :: :: +peek: external inspect :: ++ peek :: +22 |= $: lyc=gang $= nom %+ each path $% [%once vis=view syd=desk tyl=spur] [%beam vis=view bem=beam] == == ^- (unit (cask)) =/ hap=(unit [pat=? vis=view bem=beam]) ?- nom [%& *] ?~(mon=(de-omen p.nom) ~ `[| u.mon]) [%| %beam *] `[| vis bem]:p.nom [%| %once *] `[& vis.p.nom [our syd.p.nom da/now] tyl.p.nom] == :: ?~ hap ~ =/ pro (~(peek le:part [pit vil] sol) lyc [vis bem]:u.hap) ?: |(?=(~ pro) ?=(~ u.pro)) ~ =/ dat=(cask) [p q.q]:u.u.pro ?. pat.u.hap `dat `[%omen (en-omen [vis bem]:u.hap) dat] :: :: +poke: external apply :: ++ poke :: +23 |= [now=@da ovo=ovum] ^- ^ :: this assertion is not yet viable, as vere's timestamps :: are too unreliable. sad! :: :: ?. (gth now now.sol) :: ~| poke/[now=now last=now.sol wire.ovo p.card.ovo] :: ~>(%mean.'time-marches-on' !!) :: =: eny.sol (shaz (cat 3 eny now)) :: XX review now.sol now == :: ~| poke/p.card.ovo =/ zef=(each (pair (list ovum) soul) (trap ^)) loop:(~(poke le:part [pit vil] sol) ovo) ?- -.zef %& [p.p.zef ..poke(sol q.p.zef)] %| $:p.zef == :: :: +wish: external compute :: ++ wish :: +10 |= txt=@ q:(slap zus.mod (ream txt)) -- => :: :: 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. :: => |% ++ molt |= [now=@da grub] ^- (unit $>(_arvo heir)) ?. &(?=(^ who) ?=(^ eny) ?=(^ ver) ?=(^ fat) ?=(^ lul) ?=(^ zus)) ~ =/ lul $:u.lul =/ zus $:u.zus %- %+ need:wyrd kel.u.ver ^- wynn :~ hoon/hoon-version arvo/arvo lull/;;(@ud q:(slap lul limb/%lull)) zuse/;;(@ud q:(slap zus limb/%zuse)) == =/ nav %- ~(run by van) |=(a=(trap vase) (settle:va:part (slym $:a u.who))) :^ ~ arvo *debt [[u.who now u.eny] [lac] [u.ver |] u.fat lul zus nav] :: ++ what => |% ++ smit |= [cap=tape sub=(trap vase) pax=path txt=@t] ^- (trap vase) ~> %slog.[0 leaf/"{cap}: {(scow p+(mug txt))}"] %- road |. ~_ leaf/"{cap}: build failed" (swat sub (rain pax txt)) -- :: |= [grub fil=(list (pair path (cask)))] ^- grub =* gub +<- =/ taf (fall fat *(axal (cask))) =/ del (~(group adapt:part taf) fil) =/ tub (~(usurp adapt:part taf) del) ?: &(?=(^ dir.taf) ?=(^ tub)) ~>(%mean.'arvo: larval reboot' !!) :: XX support :: :: require, and unconditionally adopt, initial kernel source :: =? taf =(~ dir.taf) :: XX TMI ~| %larval-need-kernel ?> &(?=(^ tub) ?=(^ hun.p.u.tub)) (~(gas de taf) q.u.tub) :: =^ job=oped:part taf (~(adorn adapt:part taf) del |) =? lul ?=(^ lul.job) `(smit "lull" |.(pit) /sys/lull/hoon u.lul.job) =? zus ?=(^ zus.job) ?. ?=(^ lul) ~|(%larval-need-lull !!) `(smit "zuse" u.lul /sys/zuse/hoon u.zus.job) =? van !=(~ van.job) :: XX TMI ?. ?=(^ zus) ~|(%larval-need-zuse !!) %+ roll van.job |= [[nam=term txt=cord] =_van] ^+ van %+ ~(put by van) nam (smit "vane %{(trip nam)}" u.zus /sys/vane/[nam]/hoon txt) gub(fat `taf) -- :: :: larval state, as a discriminable sample :: =| [%grub _arvo grub] =* gub ->+ :: |% ++ load :: +4 |= hir=heir ?: ?=(%grub -.hir) ~>(%mean.'arvo: larval reboot' !!) :: XX support (^load hir) :: ++ peek _~ :: +22 ++ poke :: +23 |= [now=@da ovo=ovum] ^- ^ ~| poke/p.card.ovo =/ wip ~> %mean.'arvo: bad wisp' ;;(wisp card.ovo) :: =. ..poke ?- -.wip %verb ..poke(lac ?~(p.wip !lac u.p.wip)) %wack ..poke(eny `p.wip) %what ..poke(gub (what gub p.wip)) %whom ..poke(who ~|(%whom-once ?>(?=(~ who) `p.wip))) :: %wyrd ?. (sane:wyrd kel.p.wip) ~>(%mean.'wyrd: insane' !!) %- %+ need:wyrd kel.p.wip ^- wynn :* hoon/hoon-version arvo/arvo ?~ lul ~ :- lull/;;(@ud q:(slap $:u.lul limb/%lull)) ?~ zus ~ [zuse/;;(@ud q:(slap $:u.zus limb/%zuse)) ~] == ..poke(ver `p.wip) == :: :: upgrade once we've accumulated necessary state :: ?~ hir=(molt now gub) [~ ..poke] ~> %slog.[0 leaf+"arvo: metamorphosis"] (load u.hir) :: ++ wish :: +10 |= txt=* q:(slap ?~(zus pit $:u.zus) (ream ;;(@t txt))) -- :: :: 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 (see aeon:eden:part). :: a practical interpreter can and will ignore it. :: |= [now=@da ovo=ovum] ^- * .(+> +:(poke now ovo))