(;module:
  lux
  (lux (control monad)
       (data text/format)
       [macro #+ Monad<Lux> "Lux/" Monad<Lux>]
       [host #+ jvm-import])
  (luxc ["&" base]
        (lang ["la" analysis]
              ["ls" synthesis])
        ["&;" analyser]
        ["&;" synthesizer]
        (compiler ["&;" common])))

(jvm-import #long java.lang.Object)

(jvm-import org.objectweb.asm.Opcodes)

(jvm-import org.objectweb.asm.MethodVisitor
  (visitLdcInsn [Object] void))

(def: unit-value Text "\u0000unit\u0000")

(def: (compiler-literal value)
  (-> Top (Lux &common;Compiled))
  (do Monad<Lux>
    [visitor &common;get-visitor
     #let [_ (MethodVisitor.visitLdcInsn [(:! java.lang.Object value)])]]
    (wrap [])))

(def: (compile-synthesis synthesis)
  (-> ls;Synthesis (Lux &common;Compiled))
  (case synthesis
    #ls;Unit
    (compiler-literal &common;unit-value)

    (^template [<tag>]
      (<tag> value)
      (compiler-literal value))
    ([#ls;Bool]
     [#ls;Nat]
     [#ls;Int]
     [#ls;Deg]
     [#ls;Real]
     [#ls;Char]
     [#ls;Text])
    
    _
    (macro;fail "Unrecognized synthesis.")))

(def: (eval type code)
  &;Eval
  (undefined))

(def: analyse
  &;Analyser
  (&analyser;analyser eval))

(def: #export (compile input)
  (-> Code (Lux &common;Compiled))
  (do Monad<Lux>
    [analysis (analyse input)]
    (compile-synthesis (&synthesizer;synthesize analysis))))