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(.module:
  [library
   [lux (#- Definition Type Label)
    [ffi (#+ import:)]
    [abstract
     monad]
    [control
     ["<>" parser
      ["<.>" code]]]
    [data
     [binary (#+ Binary)]
     [collection
      ["." list ("#/." functor)]]]
    [macro
     ["." code]
     [syntax (#+ syntax:)]]
    [target
     [jvm
      ["." type (#+ Type)
       [category (#+ Class)]]]]
    [tool
     [compiler
      [reference
       [variable (#+ Register)]]
      [language
       [lux
        ["." generation]]]
      [meta
       [archive (#+ Archive)]]]]]])

(import: org/objectweb/asm/MethodVisitor)

(import: org/objectweb/asm/ClassWriter)

(import: org/objectweb/asm/Label
  ["#::."
   (new [])])

(type: .public Def
  (-> org/objectweb/asm/ClassWriter org/objectweb/asm/ClassWriter))

(type: .public Inst
  (-> org/objectweb/asm/MethodVisitor org/objectweb/asm/MethodVisitor))

(type: .public Label
  org/objectweb/asm/Label)

(type: .public Visibility
  (Variant
   #Public
   #Protected
   #Private
   #Default))

(type: .public Version
  (Variant
   #V1_1
   #V1_2
   #V1_3
   #V1_4
   #V1_5
   #V1_6
   #V1_7
   #V1_8))

(type: .public ByteCode
  Binary)

(type: .public Definition
  [Text ByteCode])

(type: .public Anchor
  [Label Register])

(type: .public Host
  (generation.Host Inst Definition))

(template [<name> <base>]
  [(type: .public <name>
     (<base> ..Anchor ..Inst ..Definition))]

  [State     generation.State]
  [Operation generation.Operation]
  [Phase     generation.Phase]
  [Handler   generation.Handler]
  [Bundle    generation.Bundle]
  [Extender  generation.Extender]
  )

(type: .public (Generator i)
  (-> Phase Archive i (Operation Inst)))

(syntax: (config: [type <code>.local_identifier
                   none <code>.local_identifier
                   ++ <code>.local_identifier
                   options (<code>.tuple (<>.many <code>.local_identifier))])
  (let [g!type (code.local_identifier type)
        g!none (code.local_identifier none)
        g!tags+ (list/each code.local_tag options)
        g!_left (code.local_identifier "_left")
        g!_right (code.local_identifier "_right")
        g!options+ (list/each (function (_ option)
                                (` (def: .public (~ (code.local_identifier option))
                                     (~ g!type)
                                     (|> (~ g!none)
                                         (with@ (~ (code.local_tag option)) #1)))))
                              options)]
    (in (list& (` (type: .public (~ g!type)
                    (.Record
                     (~ (code.record (list/each (function (_ tag)
                                                  [tag (` .Bit)])
                                                g!tags+))))))

               (` (def: .public (~ g!none)
                    (~ g!type)
                    (~ (code.record (list/each (function (_ tag)
                                                 [tag (` #0)])
                                               g!tags+)))))

               (` (def: .public ((~ (code.local_identifier ++)) (~ g!_left) (~ g!_right))
                    (-> (~ g!type) (~ g!type) (~ g!type))
                    (~ (code.record (list/each (function (_ tag)
                                                 [tag (` (or (value@ (~ tag) (~ g!_left))
                                                             (value@ (~ tag) (~ g!_right))))])
                                               g!tags+)))))

               g!options+))))

(config: Class_Config  noneC ++C [finalC])
(config: Method_Config noneM ++M [finalM staticM synchronizedM strictM])
(config: Field_Config  noneF ++F [finalF staticF transientF volatileF])

(def: .public new_label
  (-> Any Label)
  (function (_ _)
    (org/objectweb/asm/Label::new)))

(def: .public (simple_class name)
  (-> Text (Type Class))
  (type.class name (list)))