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(;module:
lux
(lux [io]
(concurrency ["A" atom])
(data ["R" result]
(coll ["d" dict])
text/format)
[host #+ jvm-import])
(luxc (generator (host ["$" jvm]
(jvm ["$t" type]
["$d" def]
["$i" inst])))))
## [Host]
(jvm-import org.objectweb.asm.Opcodes
(#static V1_6 int))
(jvm-import java.lang.Object)
(jvm-import (java.lang.Class a))
(jvm-import java.lang.ClassLoader
(loadClass [String] (Class Object)))
## [Types]
(type: #export Bytecode host;Byte-Array)
(type: #export Class-Store (A;Atom (d;Dict Text Bytecode)))
(type: #export Host
{#loader ClassLoader
#store Class-Store})
(def: #export (store-class name byte-code)
(-> Text Bytecode (Lux Unit))
(function [compiler]
(let [store (|> (get@ #;host compiler)
(:! Host)
(get@ #store))]
(if (d;contains? name (|> store A;get io;run))
(#R;Error (format "Cannot store class that already exists: " name))
(#R;Success [compiler (io;run (A;update (d;put name byte-code) store))])
))))
(def: #export (load-class name)
(-> Text (Lux (Class Object)))
(function [compiler]
(let [host (:! Host (get@ #;host compiler))
store (|> host (get@ #store) A;get io;run)]
(if (d;contains? name store)
(#R;Success [compiler (ClassLoader.loadClass [name] (get@ #loader host))])
(#R;Error (format "Unknown class: " name))))))
(def: #export bytecode-version Int Opcodes.V1_6)
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