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(.module:
lux
(lux (control [monad #+ do])
(data [text]
text/format
(coll [list "list/" Functor<List>]))
[macro])
(luxc [lang]
(lang ["ls" synthesis]
(host [r #+ Expression @@])))
[//]
(// [".T" reference]))
(def: #export (translate-loop translate offset initsS+ bodyS)
(-> (-> ls.Synthesis (Meta Expression)) Nat (List ls.Synthesis) ls.Synthesis
(Meta Expression))
(do macro.Monad<Meta>
[loop-name (|> (macro.gensym "loop")
(:: @ map (|>> %code lang.normalize-name)))
initsO+ (monad.map @ translate initsS+)
bodyO (//.with-anchor [loop-name offset]
(translate bodyS))
#let [$loop-name (r.var loop-name)
@loop-name (@@ $loop-name)]
_ (//.save (r.set! $loop-name
(r.function (|> (list.n/range +0 (n/dec (list.size initsS+)))
(list/map (|>> (n/+ offset) referenceT.variable)))
bodyO)))]
(wrap (r.apply initsO+ @loop-name))))
(def: #export (translate-recur translate argsS+)
(-> (-> ls.Synthesis (Meta Expression)) (List ls.Synthesis)
(Meta Expression))
(do macro.Monad<Meta>
[[loop-name offset] //.anchor
argsO+ (monad.map @ translate argsS+)]
(wrap (r.apply argsO+ (r.global loop-name)))))
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