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(.module:
  [library
   [lux #*
    [abstract
     [monad (#+ do)]]
    [data
     [text
      ["%" format (#+ format)]]]
    [target
     [jvm
      ["." type]]]
    [tool
     [compiler
      [reference
       ["." variable (#+ Register Variable)]]
      ["." phase ("operation@." monad)]
      [meta
       [archive (#+ Archive)]]
      [language
       [lux
        ["." generation]]]]]]]
  [luxc
   [lang
    [host
     [jvm (#+ Inst Operation)
      ["_" inst]]]]]
  ["." //
   ["#." runtime]])

(template [<name> <prefix>]
  [(def: #export <name>
     (-> Nat Text)
     (|>> %.nat (format <prefix>)))]

  [foreign_name "f"]
  [partial_name "p"]
  )

(def: (foreign archive variable)
  (-> Archive Register (Operation Inst))
  (do {@ phase.monad}
    [class_name (\ @ map //.class_name
                   (generation.context archive))]
    (wrap (|>> (_.ALOAD 0)
               (_.GETFIELD (type.class class_name (list))
                           (|> variable .nat foreign_name)
                           //.$Value)))))

(def: local
  (-> Register Inst)
  (|>> _.ALOAD))

(def: #export (variable archive variable)
  (-> Archive Variable (Operation Inst))
  (case variable
    (#variable.Local variable)
    (operation@wrap (local variable))
    
    (#variable.Foreign variable)
    (foreign archive variable)))

(def: #export (constant archive name)
  (-> Archive Name (Operation Inst))
  (do {@ phase.monad}
    [class_name (\ @ map //.class_name
                   (generation.remember archive name))]
    (wrap (_.GETSTATIC (type.class class_name (list)) //.value_field //.$Value))))