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|
(.module:
lux
(lux (control [monad #+ do]
["ex" exception #+ exception:])
(data text/format
(coll [list]))
[macro]
[host #+ do-to])
(luxc ["&" lang]
(lang [".L" host]
(host ["$" jvm]
(jvm ["$t" type]
["$d" def]
["$i" inst]))
["la" analysis]
["ls" synthesis]))
(// [".T" common]))
(exception: #export Not-A-Tuple)
(def: $Object $.Type ($t.class "java.lang.Object" (list)))
(def: #export (translate-tuple translate members)
(-> (-> ls.Synthesis (Meta $.Inst)) (List ls.Synthesis) (Meta $.Inst))
(do macro.Monad<Meta>
[#let [size (list.size members)]
_ (&.assert Not-A-Tuple (%code (` [(~+ members)]))
(n/>= +2 size))
membersI (|> members
list.enumerate
(monad.map @ (function [[idx member]]
(do @
[memberI (translate member)]
(wrap (|>> $i.DUP
($i.int (nat-to-int idx))
memberI
$i.AASTORE)))))
(:: @ map $i.fuse))]
(wrap (|>> ($i.int (nat-to-int size))
($i.array $Object)
membersI))))
(def: (flagI tail?)
(-> Bool $.Inst)
(if tail?
($i.string "")
$i.NULL))
(def: #export (translate-variant translate tag tail? member)
(-> (-> ls.Synthesis (Meta $.Inst)) Nat Bool ls.Synthesis (Meta $.Inst))
(do macro.Monad<Meta>
[memberI (translate member)]
(wrap (|>> ($i.int (nat-to-int tag))
(flagI tail?)
memberI
($i.INVOKESTATIC hostL.runtime-class
"variant_make"
($t.method (list $t.int $Object $Object)
(#.Some ($t.array +1 $Object))
(list))
false)))))
|
