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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]
(translation [";T" common])))
[../runtime])
(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)))))
|
