Updates for R compiler.

16 files changed, 380 insertions, 2030 deletions

diff --git a/lux-r/commands.md b/lux-r/commands.md
new file mode 100644
index 000000000..dd982fab6
--- /dev/null
+++ b/lux-r/commands.md
@@ -0,0 +1,35 @@
+# R compiler
+
+## Test
+
+```
+cd ~/lux/lux-r/ && lein lux auto test
+cd ~/lux/lux-r/ && lein clean && lein lux auto test
+```
+
+## Build
+
+```
+## Develop
+cd ~/lux/lux-r/ \
+&& lein clean \
+&& lein lux auto build
+```
+
+## REPL
+
+```
+cd ~/lux/lux-r/ && java -jar target/program.jar repl --source ~/lux/stdlib/source --target ~/lux/stdlib/target
+```
+
+## Try
+
+```
+cd ~/lux/lux-r/ && time java -jar target/program.jar build --source ~/lux/stdlib/source --target ~/lux/stdlib/target --module test/lux
+cd ~/lux/stdlib/ && lein clean && cd ~/lux/lux-r/ && time java -jar target/program.jar build --source ~/lux/stdlib/source --target ~/lux/stdlib/target --module test/lux
+cd ~/lux/stdlib/ && lein clean && cd ~/lux/lux-r/ && time java -jar target/program.jar build --source ~/lux/stdlib/source --library ~/lux/stdlib/target/library.tar --target ~/lux/stdlib/target --module test/lux
+cd ~/lux/lux-r/ && java -jar target/program.jar export --source ~/lux/stdlib/source --target ~/lux/stdlib/target
+
+cd ~/lux/stdlib/target/ && java -jar program.jar
+```
+
diff --git a/lux-r/project.clj b/lux-r/project.clj
index 96e02e021..ce41ff448 100644
--- a/lux-r/project.clj
+++ b/lux-r/project.clj
@@ -24,8 +24,7 @@
 
   :dependencies [[com.github.luxlang/luxc-jvm ~version]
                  [com.github.luxlang/stdlib ~version]
-                 ;; JVM Bytecode
-                 [org.ow2.asm/asm-all "5.0.3"]]
+                 [org.renjin/renjin-script-engine "3.5-beta43"]]
   
   :manifest {"lux" ~version}
   :source-paths ["source"]
diff --git a/lux-r/source/luxc/lang/host/r.lux b/lux-r/source/luxc/lang/host/r.lux
deleted file mode 100644
index 6e4c7fb5b..000000000
--- a/lux-r/source/luxc/lang/host/r.lux
+++ /dev/null
@@ -1,299 +0,0 @@
-(.module:
-  [lux #- not or and list if function cond when]
-  (lux (control pipe)
-       (data [maybe "maybe/" Functor<Maybe>]
-             [text]
-             text/format
-             [number]
-             (coll [list "list/" Functor<List> Fold<List>]))
-       (type abstract)))
-
-(abstract: #export Single {} Any)
-(abstract: #export Poly {} Any)
-
-(abstract: #export (Var kind)
-  {}
-
-  Text
-
-  (def: name (All [k] (-> (Var k) Text)) (|>> :representation))
-
-  (def: #export var (-> Text (Var Single)) (|>> :abstraction))
-  (def: #export var-args (Var Poly) (:abstraction "..."))
-  )
-
-(type: #export SVar (Var Single))
-(type: #export PVar (Var Poly))
-
-(abstract: #export Expression
-  {}
-  
-  Text
-
-  (def: #export expression (-> Expression Text) (|>> :representation))
-
-  (def: #export code (-> Text Expression) (|>> :abstraction))
-
-  (def: (self-contained code)
-    (-> Text Expression)
-    (:abstraction
-     (format "(" code ")")))
-
-  (def: nest
-    (-> Text Text)
-    (|>> (format "\n")
-         (text.replace-all "\n" "\n  ")))
-
-  (def: (_block expression)
-    (-> Text Text)
-    (format "{" (nest expression) "\n" "}"))
-
-  (def: #export (block expression)
-    (-> Expression Expression)
-    (:abstraction
-     (format "{" (:representation expression) "}")))
-
-  (def: #export null
-    Expression
-    (|> "NULL" self-contained))
-
-  (def: #export n/a
-    Expression
-    (|> "NA" self-contained))
-
-  (def: #export not-available Expression n/a)
-  (def: #export not-applicable Expression n/a)
-  (def: #export no-answer Expression n/a)
-
-  (def: #export bool
-    (-> Bit Expression)
-    (|>> (case> #0 "FALSE"
-                #1 "TRUE")
-         self-contained))
-
-  (def: #export (int value)
-    (-> Int Expression)
-    (self-contained
-     (format "as.integer(" (%i value) ")")))
-
-  (def: #export float
-    (-> Frac Expression)
-    (|>> (cond> [(f/= number.positive-infinity)]
-                [(new> "1.0/0.0")]
-                
-                [(f/= number.negative-infinity)]
-                [(new> "-1.0/0.0")]
-                
-                [(f/= number.not-a-number)]
-                [(new> "0.0/0.0")]
-                
-                ## else
-                [%f])
-         self-contained))
-
-  (def: #export string
-    (-> Text Expression)
-    (|>> %t self-contained))
-
-  (def: (composite-literal left-delimiter right-delimiter entry-serializer)
-    (All [a] (-> Text Text (-> a Text)
-                 (-> (List a) Expression)))
-    (.function (_ entries)
-      (self-contained
-       (format left-delimiter
-               (|> entries (list/map entry-serializer) (text.join-with ","))
-               right-delimiter))))
-
-  (def: #export named-list
-    (-> (List [Text Expression]) Expression)
-    (composite-literal "list(" ")" (.function (_ [key value])
-                                     (format key "=" (:representation value)))))
-  
-  (template [<name> <function>]
-    [(def: #export <name>
-       (-> (List Expression) Expression)
-       (composite-literal (format <function> "(") ")" expression))]
-
-    [vector "c"]
-    [list   "list"]
-    )
-  
-  (def: #export (slice from to list)
-    (-> Expression Expression Expression Expression)
-    (self-contained
-     (format (:representation list)
-             "[" (:representation from) ":" (:representation to) "]")))
-
-  (def: #export (slice-from from list)
-    (-> Expression Expression Expression)
-    (self-contained
-     (format (:representation list)
-             "[-1"  ":-" (:representation from) "]")))
-
-  (def: #export (apply args func)
-    (-> (List Expression) Expression Expression)
-    (self-contained
-     (format (:representation func) "(" (text.join-with "," (list/map expression args)) ")")))
-
-  (def: #export (apply-kw args kw-args func)
-    (-> (List Expression) (List [Text Expression]) Expression Expression)
-    (self-contained
-     (format (:representation func)
-             (format "("
-                     (text.join-with "," (list/map expression args)) ","
-                     (text.join-with "," (list/map (.function (_ [key val])
-                                                     (format key "=" (expression val)))
-                                                   kw-args))
-                     ")"))))
-
-  (def: #export (nth idx list)
-    (-> Expression Expression Expression)
-    (self-contained
-     (format (:representation list) "[[" (:representation idx) "]]")))
-
-  (def: #export (if test then else)
-    (-> Expression Expression Expression Expression)
-    (self-contained
-     (format "if(" (:representation test) ")"
-             " " (.._block (:representation then))
-             " else " (.._block (:representation else)))))
-
-  (def: #export (when test then)
-    (-> Expression Expression Expression)
-    (self-contained
-     (format "if(" (:representation test) ") {"
-             (.._block (:representation then))
-             "\n" "}")))
-
-  (def: #export (cond clauses else)
-    (-> (List [Expression Expression]) Expression Expression)
-    (list/fold (.function (_ [test then] next)
-                 (if test then next))
-               else
-               (list.reverse clauses)))
-
-  (template [<name> <op>]
-    [(def: #export (<name> param subject)
-       (-> Expression Expression Expression)
-       (self-contained
-        (format (:representation subject)
-                " " <op> " "
-                (:representation param))))]
-
-    [=       "=="]
-    [<       "<"]
-    [<=      "<="]
-    [>       ">"]
-    [>=      ">="]
-    [+       "+"]
-    [-       "-"]
-    [*       "*"]
-    [/       "/"]
-    [%%      "%%"]
-    [**      "**"]
-    [or      "||"]
-    [and     "&&"]
-    )
-
-  (def: #export @@
-    (All [k] (-> (Var k) Expression))
-    (|>> ..name self-contained))
-
-  (def: #export global
-    (-> Text Expression)
-    (|>> var @@))
-
-  (template [<name> <func>]
-    [(def: #export (<name> param subject)
-       (-> Expression Expression Expression)
-       (..apply (.list subject param) (..global <func>)))]
-
-    [bit-or   "bitwOr"]
-    [bit-and  "bitwAnd"]
-    [bit-xor  "bitwXor"]
-    [bit-shl  "bitwShiftL"]
-    [bit-ushr "bitwShiftR"]
-    )
-
-  (def: #export (bit-not subject)
-    (-> Expression Expression)
-    (..apply (.list subject) (..global "bitwNot")))
-
-  (template [<name> <op>]
-    [(def: #export <name>
-       (-> Expression Expression)
-       (|>> :representation (format <op>) self-contained))]
-
-    [not    "!"]
-    [negate "-"]
-    )
-  
-  (def: #export (length list)
-    (-> Expression Expression)
-    (..apply (.list list) (..global "length")))
-
-  (def: #export (range from to)
-    (-> Expression Expression Expression)
-    (self-contained
-     (format (:representation from) ":" (:representation to))))
-
-  (def: #export (function inputs body)
-    (-> (List (Ex [k] (Var k))) Expression Expression)
-    (let [args (|> inputs (list/map ..name) (text.join-with ", "))]
-      (self-contained
-       (format "function(" args ") "
-               (.._block (:representation body))))))
-
-  (def: #export (try body warning error finally)
-    (-> Expression (Maybe Expression) (Maybe Expression) (Maybe Expression) Expression)
-    (let [optional (: (-> Text (Maybe Expression) (-> Text Text) Text)
-                      (.function (_ parameter value preparation)
-                        (|> value
-                            (maybe/map (|>> :representation preparation (format ", " parameter " = ")))
-                            (maybe.default ""))))]
-      (self-contained
-       (format "tryCatch("
-               (.._block (:representation body))
-               (optional "warning" warning id)
-               (optional "error" error id)
-               (optional "finally" finally .._block)
-               ")"))))
-
-  (def: #export (while test body)
-    (-> Expression Expression Expression)
-    (self-contained
-     (format "while (" (:representation test) ") "
-             (.._block (:representation body)))))
-
-  (def: #export (for-in var inputs body)
-    (-> SVar Expression Expression Expression)
-    (self-contained
-     (format "for (" (..name var) " in " (..expression inputs) ")"
-             (.._block (:representation body)))))
-
-  (template [<name> <keyword>]
-    [(def: #export (<name> message)
-       (-> Expression Expression)
-       (..apply (.list message) (..global <keyword>)))]
-
-    [stop  "stop"]
-    [print "print"]
-    )
-
-  (def: #export (set! var value)
-    (-> (Var Single) Expression Expression)
-    (self-contained
-     (format (..name var) " <- " (:representation value))))
-
-  (def: #export (set-nth! idx value list)
-    (-> Expression Expression SVar Expression)
-    (self-contained
-     (format (..name list) "[[" (:representation idx) "]] <- " (:representation value))))
-
-  (def: #export (then pre post)
-    (-> Expression Expression Expression)
-    (:abstraction
-     (format (:representation pre)
-             "\n"
-             (:representation post))))
-  )
diff --git a/lux-r/source/luxc/lang/translation/r.lux b/lux-r/source/luxc/lang/translation/r.lux
deleted file mode 100644
index a4a3db1f5..000000000
--- a/lux-r/source/luxc/lang/translation/r.lux
+++ /dev/null
@@ -1,216 +0,0 @@
-(.module:
-  lux
-  (lux (control ["ex" exception #+ exception:]
-                pipe
-                [monad #+ do])
-       (data [bit]
-             [maybe]
-             ["e" error #+ Error]
-             [text "text/" Eq<Text>]
-             text/format
-             (coll [array]))
-       [macro]
-       [io #+ IO Process io]
-       [host #+ class: interface: object]
-       (world [file #+ File]))
-  (luxc [lang]
-        (lang [".L" variable #+ Register]
-              (host [r #+ Expression]))
-        [".C" io]))
-
-(template [<name>]
-  [(exception: #export (<name> {message Text})
-     message)]
-
-  [No-Active-Module-Buffer]
-  [Cannot-Execute]
-
-  [No-Anchor]
-  )
-
-(host.import: java/lang/Object)
-
-(host.import: java/lang/String
-  (getBytes [String] #try [byte]))
-
-(host.import: java/lang/CharSequence)
-
-(host.import: java/lang/Appendable
-  (append [CharSequence] Appendable))
-
-(host.import: java/lang/StringBuilder
-  (new [])
-  (toString [] String))
-
-(host.import: javax/script/ScriptEngine
-  (eval [String] #try #? Object))
-
-(host.import: javax/script/ScriptEngineFactory
-  (getScriptEngine [] ScriptEngine))
-
-(type: #export Anchor [Text Register])
-
-(type: #export Host
-  {#context [Text Nat]
-   #anchor (Maybe Anchor)
-   #loader (-> Expression (Error Any))
-   #interpreter (-> Expression (Error Object))
-   #module-buffer (Maybe StringBuilder)
-   #program-buffer StringBuilder})
-
-(def: #export init
-  (IO Host)
-  (io (let [interpreter (|> (undefined)
-                            (ScriptEngineFactory::getScriptEngine []))]
-        {#context ["" +0]
-         #anchor #.None
-         #loader (function (_ code)
-                   (do e.Monad<Error>
-                     [_ (ScriptEngine::eval [(r.expression code)] interpreter)]
-                     (wrap [])))
-         #interpreter (function (_ code)
-                        (do e.Monad<Error>
-                          [output (ScriptEngine::eval [(r.expression code)] interpreter)]
-                          (wrap (maybe.default (:coerce Object [])
-                                               output))))
-         #module-buffer #.None
-         #program-buffer (StringBuilder::new [])})))
-
-(def: #export r-module-name Text "module.r")
-
-(def: #export init-module-buffer
-  (Meta Any)
-  (function (_ compiler)
-    (#e.Success [(update@ #.host
-                          (|>> (:coerce Host)
-                               (set@ #module-buffer (#.Some (StringBuilder::new [])))
-                               (:coerce Nothing))
-                          compiler)
-                 []])))
-
-(def: #export (with-sub-context expr)
-  (All [a] (-> (Meta a) (Meta [Text a])))
-  (function (_ compiler)
-    (let [old (:coerce Host (get@ #.host compiler))
-          [old-name old-sub] (get@ #context old)
-          new-name (format old-name "f___" (%i (.int old-sub)))]
-      (case (expr (set@ #.host
-                        (:coerce Nothing (set@ #context [new-name +0] old))
-                        compiler))
-        (#e.Success [compiler' output])
-        (#e.Success [(update@ #.host
-                              (|>> (:coerce Host)
-                                   (set@ #context [old-name (inc old-sub)])
-                                   (:coerce Nothing))
-                              compiler')
-                     [new-name output]])
-
-        (#e.Error error)
-        (#e.Error error)))))
-
-(def: #export context
-  (Meta Text)
-  (function (_ compiler)
-    (#e.Success [compiler
-                 (|> (get@ #.host compiler)
-                     (:coerce Host)
-                     (get@ #context)
-                     (let> [name sub]
-                           name))])))
-
-(def: #export (with-anchor anchor expr)
-  (All [a] (-> Anchor (Meta a) (Meta a)))
-  (function (_ compiler)
-    (let [old (:coerce Host (get@ #.host compiler))]
-      (case (expr (set@ #.host
-                        (:coerce Nothing (set@ #anchor (#.Some anchor) old))
-                        compiler))
-        (#e.Success [compiler' output])
-        (#e.Success [(update@ #.host
-                              (|>> (:coerce Host)
-                                   (set@ #anchor (get@ #anchor old))
-                                   (:coerce Nothing))
-                              compiler')
-                     output])
-
-        (#e.Error error)
-        (#e.Error error)))))
-
-(def: #export anchor
-  (Meta Anchor)
-  (function (_ compiler)
-    (case (|> compiler (get@ #.host) (:coerce Host) (get@ #anchor))
-      (#.Some anchor)
-      (#e.Success [compiler anchor])
-
-      #.None
-      ((lang.throw No-Anchor "") compiler))))
-
-(def: #export module-buffer
-  (Meta StringBuilder)
-  (function (_ compiler)
-    (case (|> compiler (get@ #.host) (:coerce Host) (get@ #module-buffer))
-      #.None
-      ((lang.throw No-Active-Module-Buffer "") compiler)
-      
-      (#.Some module-buffer)
-      (#e.Success [compiler module-buffer]))))
-
-(def: #export program-buffer
-  (Meta StringBuilder)
-  (function (_ compiler)
-    (#e.Success [compiler (|> compiler (get@ #.host) (:coerce Host) (get@ #program-buffer))])))
-
-(template [<name> <field> <outputT>]
-  [(def: (<name> code)
-     (-> Expression (Meta <outputT>))
-     (function (_ compiler)
-       (let [runner (|> compiler (get@ #.host) (:coerce Host) (get@ <field>))]
-         (case (runner code)
-           (#e.Error error)
-           ((lang.throw Cannot-Execute error) compiler)
-           
-           (#e.Success output)
-           (#e.Success [compiler output])))))]
-
-  [load!     #loader      Any]
-  [interpret #interpreter Object]
-  )
-
-(def: #export variant-tag-field "luxVT")
-(def: #export variant-flag-field "luxVF")
-(def: #export variant-value-field "luxVV")
-
-(def: #export int-high-field "luxIH")
-(def: #export int-low-field "luxIL")
-
-(def: #export unit Text "")
-
-(def: #export (definition-name [module name])
-  (-> Name Text)
-  (lang.normalize-name (format module "$" name)))
-
-(def: #export (save code)
-  (-> Expression (Meta Any))
-  (do macro.Monad<Meta>
-    [module-buffer module-buffer
-     #let [_ (Appendable::append [(:coerce CharSequence (r.expression code))]
-                                 module-buffer)]]
-    (load! code)))
-
-(def: #export run interpret)
-
-(def: #export (save-module! target)
-  (-> File (Meta (Process Any)))
-  (do macro.Monad<Meta>
-    [module macro.current-module-name
-     module-buffer module-buffer
-     program-buffer program-buffer
-     #let [module-code (StringBuilder::toString [] module-buffer)
-           _ (Appendable::append [(:coerce CharSequence (format module-code "\n"))]
-                                 program-buffer)]]
-    (wrap (ioC.write target
-                     (format (lang.normalize-name module) "/" r-module-name)
-                     (|> module-code
-                         (String::getBytes ["UTF-8"])
-                         e.assume)))))
diff --git a/lux-r/source/luxc/lang/translation/r/case.jvm.lux b/lux-r/source/luxc/lang/translation/r/case.jvm.lux
deleted file mode 100644
index 42460b620..000000000
--- a/lux-r/source/luxc/lang/translation/r/case.jvm.lux
+++ /dev/null
@@ -1,195 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do]
-                ["ex" exception #+ exception:])
-       (data [number]
-             [text]
-             text/format
-             (coll [list "list/" Functor<List> Fold<List>]
-                   (set ["set" unordered #+ Set])))
-       [macro #+ "meta/" Monad<Meta>]
-       (macro [code]))
-  (luxc [lang]
-        (lang [".L" variable #+ Register Variable]
-              ["ls" synthesis #+ Synthesis Path]
-              (host [r #+ Expression SVar @@])))
-  [//]
-  (// [".T" runtime]
-      [".T" primitive]
-      [".T" reference]))
-
-(def: #export (translate-let translate register valueS bodyS)
-  (-> (-> Synthesis (Meta Expression)) Register Synthesis Synthesis
-      (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueO (translate valueS)
-     bodyO (translate bodyS)
-     #let [$register (referenceT.variable register)]]
-    (wrap (r.block
-           ($_ r.then
-               (r.set! $register valueO)
-               bodyO)))))
-
-(def: #export (translate-record-get translate valueS pathP)
-  (-> (-> Synthesis (Meta Expression)) Synthesis (List [Nat Bit])
-      (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueO (translate valueS)]
-    (wrap (list/fold (function (_ [idx tail?] source)
-                       (let [method (if tail?
-                                      runtimeT.product//right
-                                      runtimeT.product//left)]
-                         (method source (r.int (:coerce Int idx)))))
-                     valueO
-                     pathP))))
-
-(def: #export (translate-if testO thenO elseO)
-  (-> Expression Expression Expression Expression)
-  (r.if testO thenO elseO))
-
-(def: $savepoint (r.var "lux_pm_cursor_savepoint"))
-(def: $cursor (r.var "lux_pm_cursor"))
-
-(def: top r.length)
-(def: next (|>> r.length (r.+ (r.int 1))))
-(def: (push! value var)
-  (-> Expression SVar Expression)
-  (r.set-nth! (next (@@ var)) value var))
-(def: (pop! var)
-  (-> SVar Expression)
-  (r.set-nth! (top (@@ var)) r.null var))
-
-(def: (push-cursor! value)
-  (-> Expression Expression)
-  (push! value $cursor))
-
-(def: save-cursor!
-  Expression
-  (push! (r.slice (r.float 1.0) (r.length (@@ $cursor)) (@@ $cursor))
-         $savepoint))
-
-(def: restore-cursor!
-  Expression
-  (r.set! $cursor (r.nth (top (@@ $savepoint)) (@@ $savepoint))))
-
-(def: cursor-top
-  Expression
-  (|> (@@ $cursor) (r.nth (top (@@ $cursor)))))
-
-(def: pop-cursor!
-  Expression
-  (pop! $cursor))
-
-(def: pm-error (r.string "PM-ERROR"))
-
-(def: fail-pm! (r.stop pm-error))
-
-(def: $temp (r.var "lux_pm_temp"))
-
-(exception: #export (Unrecognized-Path {message Text})
-  message)
-
-(def: $alt_error (r.var "alt_error"))
-
-(def: (pm-catch handler)
-  (-> Expression Expression)
-  (r.function (list $alt_error)
-    (r.if (|> (@@ $alt_error) (r.= pm-error))
-      handler
-      (r.stop (@@ $alt_error)))))
-
-(def: (translate-pattern-matching' translate pathP)
-  (-> (-> Synthesis (Meta Expression)) Path (Meta Expression))
-  (case pathP
-    (^code ("lux case exec" (~ bodyS)))
-    (do macro.Monad<Meta>
-      [bodyO (translate bodyS)]
-      (wrap bodyO))
-
-    (^code ("lux case pop"))
-    (meta/wrap pop-cursor!)
-
-    (^code ("lux case bind" (~ [_ (#.Nat register)])))
-    (meta/wrap (r.set! (referenceT.variable register) cursor-top))
-
-    (^template [<tag> <format>]
-      [_ (<tag> value)]
-      (meta/wrap (r.when (r.not (r.= (|> value <format>) cursor-top))
-                         fail-pm!)))
-    ([#.Bit  r.bool]
-     [#.Frac r.float]
-     [#.Text r.string])
-
-    (^template [<tag> <format>]
-      [_ (<tag> value)]
-      (meta/wrap (r.when (r.not (runtimeT.int//= (|> value <format>) cursor-top))
-                         fail-pm!)))
-    ([#.Nat  (<| runtimeT.int (:coerce Int))]
-     [#.Int  runtimeT.int]
-     [#.Rev  (<| runtimeT.int (:coerce Int))])
-
-    (^template [<pm> <getter>]
-      (^code (<pm> (~ [_ (#.Nat idx)])))
-      (meta/wrap (push-cursor! (<getter> cursor-top (r.int (:coerce Int idx))))))
-    (["lux case tuple left" runtimeT.product//left]
-     ["lux case tuple right" runtimeT.product//right])
-
-    (^template [<pm> <flag>]
-      (^code (<pm> (~ [_ (#.Nat idx)])))
-      (meta/wrap ($_ r.then
-                     (r.set! $temp (runtimeT.sum//get cursor-top (r.int (:coerce Int idx)) <flag>))
-                     (r.if (r.= r.null (@@ $temp))
-                       fail-pm!
-                       (push-cursor! (@@ $temp))))))
-    (["lux case variant left" r.null]
-     ["lux case variant right" (r.string "")])
-
-    (^code ("lux case seq" (~ leftP) (~ rightP)))
-    (do macro.Monad<Meta>
-      [leftO (translate-pattern-matching' translate leftP)
-       rightO (translate-pattern-matching' translate rightP)]
-      (wrap ($_ r.then
-                leftO
-                rightO)))
-
-    (^code ("lux case alt" (~ leftP) (~ rightP)))
-    (do macro.Monad<Meta>
-      [leftO (translate-pattern-matching' translate leftP)
-       rightO (translate-pattern-matching' translate rightP)]
-      (wrap (r.try ($_ r.then
-                       save-cursor!
-                       leftO)
-                   #.None
-                   (#.Some (pm-catch ($_ r.then
-                                         restore-cursor!
-                                         rightO)))
-                   #.None)))
-
-    _
-    (lang.throw Unrecognized-Path (%code pathP))
-    ))
-
-(def: (translate-pattern-matching translate pathP)
-  (-> (-> Synthesis (Meta Expression)) Path (Meta Expression))
-  (do macro.Monad<Meta>
-    [pattern-matching! (translate-pattern-matching' translate pathP)]
-    (wrap (r.try pattern-matching!
-                 #.None
-                 (#.Some (pm-catch (r.stop (r.string "Invalid expression for pattern-matching."))))
-                 #.None))))
-
-(def: (initialize-pattern-matching! stack-init)
-  (-> Expression Expression)
-  ($_ r.then
-      (r.set! $cursor (r.list (list stack-init)))
-      (r.set! $savepoint (r.list (list)))))
-
-(def: #export (translate-case translate valueS pathP)
-  (-> (-> Synthesis (Meta Expression)) Synthesis Path (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueO (translate valueS)
-     pattern-matching! (translate-pattern-matching translate pathP)]
-    (wrap (r.block
-           ($_ r.then
-               (initialize-pattern-matching! valueO)
-               pattern-matching!)))))
diff --git a/lux-r/source/luxc/lang/translation/r/expression.jvm.lux b/lux-r/source/luxc/lang/translation/r/expression.jvm.lux
deleted file mode 100644
index 3c41fbe63..000000000
--- a/lux-r/source/luxc/lang/translation/r/expression.jvm.lux
+++ /dev/null
@@ -1,88 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do]
-                ["ex" exception #+ exception:]
-                ["p" parser])
-       (data ["e" error]
-             text/format)
-       [macro]
-       (macro ["s" syntax]))
-  (luxc ["&" lang]
-        (lang [".L" variable #+ Variable Register]
-              [".L" extension]
-              ["ls" synthesis]
-              (host [r #+ Expression])))
-  [//]
-  (// [".T" runtime]
-      [".T" primitive]
-      [".T" structure]
-      [".T" reference]
-      [".T" function]
-      [".T" case]
-      [".T" procedure])
-  )
-
-(template [<name>]
-  [(exception: #export (<name> {message Text})
-     message)]
-
-  [Invalid-Function-Syntax]
-  [Unrecognized-Synthesis]
-  )
-
-(def: #export (translate synthesis)
-  (-> ls.Synthesis (Meta Expression))
-  (case synthesis
-    (^code [])
-    (:: macro.Monad<Meta> wrap runtimeT.unit)
-
-    (^template [<tag> <generator>]
-      [_ (<tag> value)]
-      (<generator> value))
-    ([#.Bit primitiveT.translate-bit]
-     [#.Nat  primitiveT.translate-nat]
-     [#.Int  primitiveT.translate-int]
-     [#.Rev  primitiveT.translate-rev]
-     [#.Frac primitiveT.translate-frac]
-     [#.Text primitiveT.translate-text])
-
-    (^code ((~ [_ (#.Nat tag)]) (~ [_ (#.Bit last?)]) (~ valueS)))
-    (structureT.translate-variant translate tag last? valueS)
-
-    (^code [(~ singleton)])
-    (translate singleton)
-
-    (^code [(~+ members)])
-    (structureT.translate-tuple translate members)
-
-    (^ [_ (#.Form (list [_ (#.Int var)]))])
-    (referenceT.translate-variable var)
-
-    [_ (#.Identifier definition)]
-    (referenceT.translate-definition definition)
-
-    (^code ("lux let" (~ [_ (#.Nat register)]) (~ inputS) (~ exprS)))
-    (caseT.translate-let translate register inputS exprS)
-
-    (^code ("lux case" (~ inputS) (~ pathPS)))
-    (caseT.translate-case translate inputS pathPS)
-
-    (^code ("lux function" (~ [_ (#.Nat arity)]) [(~+ environment)] (~ bodyS)))
-    (case (s.run environment (p.some s.int))
-      (#e.Success environment)
-      (functionT.translate-function translate environment arity bodyS)
-
-      _
-      (&.throw Invalid-Function-Syntax (%code synthesis)))
-
-    (^code ("lux call" (~ functionS) (~+ argsS)))
-    (functionT.translate-apply translate functionS argsS)
-
-    (^code ((~ [_ (#.Text procedure)]) (~+ argsS)))
-    (procedureT.translate-procedure translate procedure argsS)
-    ## (do macro.Monad<Meta>
-    ##   [translation (extensionL.find-translation procedure)]
-    ##   (translation argsS))
-
-    _
-    (&.throw Unrecognized-Synthesis (%code synthesis))))
diff --git a/lux-r/source/luxc/lang/translation/r/function.jvm.lux b/lux-r/source/luxc/lang/translation/r/function.jvm.lux
deleted file mode 100644
index f39a5e1a2..000000000
--- a/lux-r/source/luxc/lang/translation/r/function.jvm.lux
+++ /dev/null
@@ -1,94 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do]
-                pipe)
-       (data [product]
-             [text]
-             text/format
-             (coll [list "list/" Functor<List> Fold<List>]))
-       [macro])
-  (luxc ["&" lang]
-        (lang ["ls" synthesis]
-              [".L" variable #+ Variable]
-              (host [r #+ Expression @@])))
-  [//]
-  (// [".T" reference]))
-
-(def: #export (translate-apply translate functionS argsS+)
-  (-> (-> ls.Synthesis (Meta Expression)) ls.Synthesis (List ls.Synthesis) (Meta Expression))
-  (do {@ macro.Monad<Meta>}
-    [functionO (translate functionS)
-     argsO+ (monad.map @ translate argsS+)]
-    (wrap (r.apply argsO+ functionO))))
-
-(def: $curried (r.var "curried"))
-
-(def: (input-declaration register)
-  (r.set! (referenceT.variable (inc register))
-          (|> (@@ $curried) (r.nth (|> register inc .int r.int)))))
-
-(def: (with-closure function-name inits function-definition)
-  (-> Text (List Expression) Expression (Meta Expression))
-  (let [$closure (r.var (format function-name "___CLOSURE"))]
-    (case inits
-      #.Nil
-      (do macro.Monad<Meta>
-        [_ (//.save function-definition)]
-        (wrap (r.global function-name)))
-
-      _
-      (do macro.Monad<Meta>
-        [_ (//.save (r.set! $closure
-                            (r.function (|> (list.enumerate inits)
-                                            (list/map (|>> product.left referenceT.closure)))
-                              ($_ r.then
-                                  function-definition
-                                  (r.global function-name)))))]
-        (wrap (r.apply inits (@@ $closure)))))))
-
-(def: #export (translate-function translate env arity bodyS)
-  (-> (-> ls.Synthesis (Meta Expression))
-      (List Variable) ls.Arity ls.Synthesis
-      (Meta Expression))
-  (do {@ macro.Monad<Meta>}
-    [[function-name bodyO] (//.with-sub-context
-                             (do @
-                               [function-name //.context]
-                               (//.with-anchor [function-name +1]
-                                 (translate bodyS))))
-     closureO+ (monad.map @ referenceT.translate-variable env)
-     #let [arityO (|> arity .int r.int)
-           $num_args (r.var "num_args")
-           $function (r.var function-name)
-           var-args (r.code (format "list" (r.expression (@@ r.var-args))))
-           apply-poly (function (_ args func)
-                        (r.apply (list func args) (r.global "do.call")))]]
-    (with-closure function-name closureO+
-      (r.set! $function
-              (r.function (list r.var-args)
-                ($_ r.then
-                    (r.set! $curried var-args)
-                    (r.set! $num_args (r.length (@@ $curried)))
-                    (r.cond (list [(|> (@@ $num_args) (r.= arityO))
-                                   ($_ r.then
-                                       (r.set! (referenceT.variable +0) (@@ $function))
-                                       (|> (list.n/range +0 (dec arity))
-                                           (list/map input-declaration)
-                                           (list/fold r.then bodyO)))]
-                                  [(|> (@@ $num_args) (r.> arityO))
-                                   (let [arity-args (r.slice (r.int 1) arityO (@@ $curried))
-                                         output-func-args (r.slice (|> arityO (r.+ (r.int 1)))
-                                                                   (@@ $num_args)
-                                                                   (@@ $curried))]
-                                     (|> (@@ $function)
-                                         (apply-poly arity-args)
-                                         (apply-poly output-func-args)))])
-                            ## (|> (@@ $num_args) (r.< arityO))
-                            (let [$missing (r.var "missing")]
-                              (r.function (list r.var-args)
-                                ($_ r.then
-                                    (r.set! $missing var-args)
-                                    (|> (@@ $function)
-                                        (apply-poly (r.apply (list (@@ $curried) (@@ $missing))
-                                                             (r.global "append"))))))))))))
-    ))
diff --git a/lux-r/source/luxc/lang/translation/r/loop.jvm.lux b/lux-r/source/luxc/lang/translation/r/loop.jvm.lux
deleted file mode 100644
index f1197e5ce..000000000
--- a/lux-r/source/luxc/lang/translation/r/loop.jvm.lux
+++ /dev/null
@@ -1,37 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do])
-       (data [text]
-             text/format
-             (coll [list "list/" Functor<List>]))
-       [macro])
-  (luxc [lang]
-        (lang ["ls" synthesis]
-              (host [r #+ Expression @@])))
-  [//]
-  (// [".T" reference]))
-
-(def: #export (translate-loop translate offset initsS+ bodyS)
-  (-> (-> ls.Synthesis (Meta Expression)) Nat (List ls.Synthesis) ls.Synthesis
-      (Meta Expression))
-  (do {@ macro.Monad<Meta>}
-    [loop-name (|> (macro.gensym "loop")
-                   (:: @ map (|>> %code lang.normalize-name)))
-     initsO+ (monad.map @ translate initsS+)
-     bodyO (//.with-anchor [loop-name offset]
-             (translate bodyS))
-     #let [$loop-name (r.var loop-name)
-           @loop-name (@@ $loop-name)]
-     _ (//.save (r.set! $loop-name
-                        (r.function (|> (list.n/range +0 (dec (list.size initsS+)))
-                                        (list/map (|>> (n/+ offset) referenceT.variable)))
-                          bodyO)))]
-    (wrap (r.apply initsO+ @loop-name))))
-
-(def: #export (translate-recur translate argsS+)
-  (-> (-> ls.Synthesis (Meta Expression)) (List ls.Synthesis)
-      (Meta Expression))
-  (do {@ macro.Monad<Meta>}
-    [[loop-name offset] //.anchor
-     argsO+ (monad.map @ translate argsS+)]
-    (wrap (r.apply argsO+ (r.global loop-name)))))
diff --git a/lux-r/source/luxc/lang/translation/r/primitive.jvm.lux b/lux-r/source/luxc/lang/translation/r/primitive.jvm.lux
deleted file mode 100644
index 8bc7da848..000000000
--- a/lux-r/source/luxc/lang/translation/r/primitive.jvm.lux
+++ /dev/null
@@ -1,22 +0,0 @@
-(.module:
-  lux
-  (lux [macro "meta/" Monad<Meta>])
-  (luxc (lang (host [r #+ Expression])))
-  [//]
-  (// [".T" runtime]))
-
-(def: #export translate-bit
-  (-> Bit (Meta Expression))
-  (|>> r.bool meta/wrap))
-
-(def: #export translate-int
-  (-> Int (Meta Expression))
-  (|>> runtimeT.int meta/wrap))
-
-(def: #export translate-frac
-  (-> Frac (Meta Expression))
-  (|>> r.float meta/wrap))
-
-(def: #export translate-text
-  (-> Text (Meta Expression))
-  (|>> r.string meta/wrap))
diff --git a/lux-r/source/luxc/lang/translation/r/reference.jvm.lux b/lux-r/source/luxc/lang/translation/r/reference.jvm.lux
deleted file mode 100644
index 7de1c74ee..000000000
--- a/lux-r/source/luxc/lang/translation/r/reference.jvm.lux
+++ /dev/null
@@ -1,42 +0,0 @@
-(.module:
-  lux
-  (lux [macro]
-       (data [text]
-             text/format))
-  (luxc ["&" lang]
-        (lang [".L" variable #+ Variable Register]
-              (host [r #+ Expression SVar @@])))
-  [//]
-  (// [".T" runtime]))
-
-(template [<register> <translation> <prefix>]
-  [(def: #export (<register> register)
-     (-> Register SVar)
-     (r.var (format <prefix> (%i (.int register)))))
-   
-   (def: #export (<translation> register)
-     (-> Register (Meta Expression))
-     (:: macro.Monad<Meta> wrap (@@ (<register> register))))]
-
-  [closure  translate-captured "c"]
-  [variable translate-local    "v"])
-
-(def: #export (local var)
-  (-> Variable SVar)
-  (if (variableL.captured? var)
-    (closure (variableL.captured-register var))
-    (variable (.nat var))))
-
-(def: #export (translate-variable var)
-  (-> Variable (Meta Expression))
-  (if (variableL.captured? var)
-    (translate-captured (variableL.captured-register var))
-    (translate-local (.nat var))))
-
-(def: #export global
-  (-> Name SVar)
-  (|>> //.definition-name r.var))
-
-(def: #export (translate-definition name)
-  (-> Name (Meta Expression))
-  (:: macro.Monad<Meta> wrap (@@ (global name))))
diff --git a/lux-r/source/luxc/lang/translation/r/runtime.jvm.lux b/lux-r/source/luxc/lang/translation/r/runtime.jvm.lux
deleted file mode 100644
index d641041d2..000000000
--- a/lux-r/source/luxc/lang/translation/r/runtime.jvm.lux
+++ /dev/null
@@ -1,802 +0,0 @@
-(.module:
-  lux
-  (lux (control ["p" parser "p/" Monad<Parser>]
-                [monad #+ do])
-       (data [bit]
-             [number (#+ hex) ("int/" Interval<Int>)]
-             text/format
-             (coll [list "list/" Monad<List>]))
-       [macro]
-       (macro [code]
-              ["s" syntax #+ syntax:])
-       [io #+ Process])
-  [//]
-  (luxc [lang]
-        (lang (host [r #+ SVar Expression @@]))))
-
-(def: prefix Text "LuxRuntime")
-
-(def: #export unit Expression (r.string //.unit))
-
-(def: full-32 (hex "+FFFFFFFF"))
-(def: half-32 (hex "+7FFFFFFF"))
-(def: post-32 (hex "+100000000"))
-
-(def: (cap-32 input)
-  (-> Nat Int)
-  (cond (n/> full-32 input)
-        (|> input (bit.and full-32) cap-32)
-        
-        (n/> half-32 input)
-        (|> post-32 (n/- input) .int (i/* -1))
-        
-        ## else
-        (.int input)))
-
-(def: high-32 (bit.logical-right-shift +32))
-(def: low-32 (|>> (bit.and (hex "+FFFFFFFF"))))
-
-(def: #export (int value)
-  (-> Int Expression)
-  (let [value (.nat value)
-        high (|> value ..high-32 cap-32)
-        low (|> value ..low-32 cap-32)]
-    (r.named-list (list [//.int-high-field (r.int high)]
-                        [//.int-low-field (r.int low)]))))
-
-(def: (flag value)
-  (-> Bit Expression)
-  (if value
-    (r.string "")
-    r.null))
-
-(def: (variant' tag last? value)
-  (-> Expression Expression Expression Expression)
-  (r.named-list (list [//.variant-tag-field tag]
-                      [//.variant-flag-field last?]
-                      [//.variant-value-field value])))
-
-(def: #export (variant tag last? value)
-  (-> Nat Bit Expression Expression)
-  (variant' (r.int (.int tag))
-            (flag last?)
-            value))
-
-(def: #export none
-  Expression
-  (variant +0 #0 unit))
-
-(def: #export some
-  (-> Expression Expression)
-  (variant +1 #1))
-
-(def: #export left
-  (-> Expression Expression)
-  (variant +0 #0))
-
-(def: #export right
-  (-> Expression Expression)
-  (variant +1 #1))
-
-(type: Runtime Expression)
-
-(def: declaration
-  (s.Syntax [Text (List Text)])
-  (p.either (p.seq s.local-identifier (p/wrap (list)))
-            (s.form (p.seq s.local-identifier (p.some s.local-identifier)))))
-
-(syntax: (runtime: {[name args] declaration}
-           definition)
-  (let [implementation (code.local-identifier (format "@@" name))
-        runtime (format prefix "__" (lang.normalize-name name))
-        $runtime (` (r.var (~ (code.text runtime))))
-        @runtime (` (@@ (~ $runtime)))
-        argsC+ (list/map code.local-identifier args)
-        argsLC+ (list/map (|>> lang.normalize-name (format "LRV__") code.text (~) (r.var) (`))
-                          args)
-        declaration (` ((~ (code.local-identifier name))
-                        (~+ argsC+)))
-        type (` (-> (~+ (list.repeat (list.size argsC+) (` r.Expression)))
-                    r.Expression))]
-    (wrap (list (` (def: (~' #export) (~ declaration)
-                     (~ type)
-                     (~ (case argsC+
-                          #.Nil
-                          @runtime
-
-                          _
-                          (` (r.apply (list (~+ argsC+)) (~ @runtime)))))))
-                (` (def: (~ implementation)
-                     r.Expression
-                     (~ (case argsC+
-                          #.Nil
-                          (` (r.set! (~ $runtime) (~ definition)))
-
-                          _
-                          (` (let [(~+ (|> (list.zip2 argsC+ argsLC+)
-                                           (list/map (function (_ [left right])
-                                                       (list left right)))
-                                           list/join))]
-                               (r.set! (~ $runtime)
-                                       (r.function (list (~+ argsLC+))
-                                         (~ definition)))))))))))))
-
-(syntax: #export (with-vars {vars (s.tuple (p.many s.local-identifier))}
-                   body)
-  (wrap (list (` (let [(~+ (|> vars
-                               (list/map (function (_ var)
-                                           (list (code.local-identifier var)
-                                                 (` (r.var (~ (code.text (format "LRV__" (lang.normalize-name var)))))))))
-                               list/join))]
-                   (~ body))))))
-
-(def: high-shift (r.bit-shl (r.int 32)))
-
-(runtime: f2^32 (|> (r.int 2) (r.** (r.int 32))))
-(runtime: f2^63 (|> (r.int 2) (r.** (r.int 63))))
-
-(def: (as-double value)
-  (-> Expression Expression)
-  (r.apply (list value) (r.global "as.double")))
-
-(def: (as-integer value)
-  (-> Expression Expression)
-  (r.apply (list value) (r.global "as.integer")))
-
-(runtime: (int//unsigned-low input)
-  (with-vars [low]
-    ($_ r.then
-        (r.set! low (|> (@@ input) (r.nth (r.string //.int-low-field))))
-        (r.if (|> (@@ low) (r.>= (r.int 0)))
-          (@@ low)
-          (|> (@@ low) (r.+ f2^32))))))
-
-(runtime: (int//to-float input)
-  (let [high (|> (@@ input)
-                 (r.nth (r.string //.int-high-field))
-                 high-shift)
-        low (|> (@@ input)
-                int//unsigned-low)]
-    (|> high (r.+ low) as-double)))
-
-(runtime: (int//new high low)
-  (r.named-list (list [//.int-high-field (as-integer (@@ high))]
-                      [//.int-low-field (as-integer (@@ low))])))
-
-(template [<name> <value>]
-  [(runtime: <name>
-     (..int <value>))]
-
-  [int//zero 0]
-  [int//one 1]
-  [int//min int/bottom]
-  [int//max int/top]
-  )
-
-(def: #export int64-high (r.nth (r.string //.int-high-field)))
-(def: #export int64-low (r.nth (r.string //.int-low-field)))
-
-(runtime: (bit//not input)
-  (int//new (|> (@@ input) int64-high r.bit-not)
-            (|> (@@ input) int64-low r.bit-not)))
-
-(runtime: (int//+ param subject)
-  (with-vars [sH sL pH pL
-              x00 x16 x32 x48]
-    ($_ r.then
-        (r.set! sH (|> (@@ subject) int64-high))
-        (r.set! sL (|> (@@ subject) int64-low))
-        (r.set! pH (|> (@@ param) int64-high))
-        (r.set! pL (|> (@@ param) int64-low))
-        (let [bits16 (r.code "0xFFFF")
-              move-top-16 (r.bit-shl (r.int 16))
-              top-16 (r.bit-ushr (r.int 16))
-              bottom-16 (r.bit-and bits16)
-              split-16 (function (_ source)
-                         [(|> source top-16)
-                          (|> source bottom-16)])
-              split-int (function (_ high low)
-                          [(split-16 high)
-                           (split-16 low)])
-              
-              [[s48 s32] [s16 s00]] (split-int (@@ sH) (@@ sL))
-              [[p48 p32] [p16 p00]] (split-int (@@ pH) (@@ pL))
-              new-half (function (_ top bottom)
-                         (|> top bottom-16 move-top-16
-                             (r.bit-or (bottom-16 bottom))))]
-          ($_ r.then
-              (r.set! x00 (|> s00 (r.+ p00)))
-              (r.set! x16 (|> (@@ x00) top-16 (r.+ s16) (r.+ p16)))
-              (r.set! x32 (|> (@@ x16) top-16 (r.+ s32) (r.+ p32)))
-              (r.set! x48 (|> (@@ x32) top-16 (r.+ s48) (r.+ p48)))
-              (int//new (new-half (@@ x48) (@@ x32))
-                        (new-half (@@ x16) (@@ x00))))))))
-
-(runtime: (int//= reference sample)
-  (let [n/a? (function (_ value)
-               (r.apply (list value) (r.global "is.na")))
-        isTRUE? (function (_ value)
-                  (r.apply (list value) (r.global "isTRUE")))
-        comparison (: (-> (-> Expression Expression) Expression)
-                      (function (_ field)
-                        (|> (|> (field (@@ sample)) (r.= (field (@@ reference))))
-                            (r.or (|> (n/a? (field (@@ sample)))
-                                      (r.and (n/a? (field (@@ reference)))))))))]
-    (|> (comparison int64-high)
-        (r.and (comparison int64-low))
-        isTRUE?)))
-
-(runtime: (int//negate input)
-  (r.if (|> (@@ input) (int//= int//min))
-    int//min
-    (|> (@@ input) bit//not (int//+ int//one))))
-
-(runtime: int//-one
-  (int//negate int//one))
-
-(runtime: (int//- param subject)
-  (int//+ (int//negate (@@ param)) (@@ subject)))
-
-(runtime: (int//< reference sample)
-  (with-vars [r-? s-?]
-    ($_ r.then
-        (r.set! s-? (|> (@@ sample) int64-high (r.< (r.int 0))))
-        (r.set! r-? (|> (@@ reference) int64-high (r.< (r.int 0))))
-        (|> (|> (@@ s-?) (r.and (r.not (@@ r-?))))
-            (r.or (|> (r.not (@@ s-?)) (r.and (@@ r-?)) r.not))
-            (r.or (|> (@@ sample)
-                      (int//- (@@ reference))
-                      int64-high
-                      (r.< (r.int 0))))))))
-
-(runtime: (int//from-float input)
-  (r.cond (list [(r.apply (list (@@ input)) (r.global "is.nan"))
-                 int//zero]
-                [(|> (@@ input) (r.<= (r.negate f2^63)))
-                 int//min]
-                [(|> (@@ input) (r.+ (r.float 1.0)) (r.>= f2^63))
-                 int//max]
-                [(|> (@@ input) (r.< (r.float 0.0)))
-                 (|> (@@ input) r.negate int//from-float int//negate)])
-          (int//new (|> (@@ input) (r./ f2^32))
-                    (|> (@@ input) (r.%% f2^32)))))
-
-(runtime: (int//* param subject)
-  (with-vars [sH sL pH pL
-              x00 x16 x32 x48]
-    ($_ r.then
-        (r.set! sH (|> (@@ subject) int64-high))
-        (r.set! pH (|> (@@ param) int64-high))
-        (let [negative-subject? (|> (@@ sH) (r.< (r.int 0)))
-              negative-param? (|> (@@ pH) (r.< (r.int 0)))]
-          (r.cond (list [negative-subject?
-                         (r.if negative-param?
-                           (int//* (int//negate (@@ param))
-                                   (int//negate (@@ subject)))
-                           (int//negate (int//* (@@ param)
-                                                (int//negate (@@ subject)))))]
-
-                        [negative-param?
-                         (int//negate (int//* (int//negate (@@ param))
-                                              (@@ subject)))])
-                  ($_ r.then
-                      (r.set! sL (|> (@@ subject) int64-low))
-                      (r.set! pL (|> (@@ param) int64-low))
-                      (let [bits16 (r.code "0xFFFF")
-                            move-top-16 (r.bit-shl (r.int 16))
-                            top-16 (r.bit-ushr (r.int 16))
-                            bottom-16 (r.bit-and bits16)
-                            split-16 (function (_ source)
-                                       [(|> source top-16)
-                                        (|> source bottom-16)])
-                            split-int (function (_ high low)
-                                        [(split-16 high)
-                                         (split-16 low)])
-                            new-half (function (_ top bottom)
-                                       (|> top bottom-16 move-top-16
-                                           (r.bit-or (bottom-16 bottom))))
-                            x16-top (|> (@@ x16) top-16)
-                            x32-top (|> (@@ x32) top-16)]
-                        (with-vars [s48 s32 s16 s00
-                                    p48 p32 p16 p00]
-                          (let [[[_s48 _s32] [_s16 _s00]] (split-int (@@ sH) (@@ sL))
-                                [[_p48 _p32] [_p16 _p00]] (split-int (@@ pH) (@@ pL))
-                                set-subject-chunks! ($_ r.then (r.set! s48 _s48) (r.set! s32 _s32) (r.set! s16 _s16) (r.set! s00 _s00))
-                                set-param-chunks! ($_ r.then (r.set! p48 _p48) (r.set! p32 _p32) (r.set! p16 _p16) (r.set! p00 _p00))]
-                            ($_ r.then
-                                set-subject-chunks!
-                                set-param-chunks!
-                                (r.set! x00 (|> (@@ s00) (r.* (@@ p00))))
-                                (r.set! x16 (|> (@@ x00) top-16 (r.+ (|> (@@ s16) (r.* (@@ p00))))))
-                                (r.set! x32 x16-top)
-                                (r.set! x16 (|> (@@ x16) bottom-16 (r.+ (|> (@@ s00) (r.* (@@ p16))))))
-                                (r.set! x32 (|> (@@ x32) (r.+ x16-top) (r.+ (|> (@@ s32) (r.* (@@ p00))))))
-                                (r.set! x48 x32-top)
-                                (r.set! x32 (|> (@@ x32) bottom-16 (r.+ (|> (@@ s16) (r.* (@@ p16))))))
-                                (r.set! x48 (|> (@@ x48) (r.+ x32-top)))
-                                (r.set! x32 (|> (@@ x32) bottom-16 (r.+ (|> (@@ s00) (r.* (@@ p32))))))
-                                (r.set! x48 (|> (@@ x48) (r.+ x32-top)
-                                                (r.+ (|> (@@ s48) (r.* (@@ p00))))
-                                                (r.+ (|> (@@ s32) (r.* (@@ p16))))
-                                                (r.+ (|> (@@ s16) (r.* (@@ p32))))
-                                                (r.+ (|> (@@ s00) (r.* (@@ p48))))))
-                                (int//new (new-half (@@ x48) (@@ x32))
-                                          (new-half (@@ x16) (@@ x00))))))
-                        )))))))
-
-(def: (limit-shift! shift)
-  (-> SVar Expression)
-  (r.set! shift (|> (@@ shift) (r.bit-and (r.int 63)))))
-
-(def: (no-shift-clause shift input)
-  (-> SVar SVar [Expression Expression])
-  [(|> (@@ shift) (r.= (r.int 0)))
-   (@@ input)])
-
-(runtime: (bit//left-shift shift input)
-  ($_ r.then
-      (limit-shift! shift)
-      (r.cond (list (no-shift-clause shift input)
-                    [(|> (@@ shift) (r.< (r.int 32)))
-                     (let [mid (|> (int64-low (@@ input)) (r.bit-ushr (|> (r.int 32) (r.- (@@ shift)))))
-                           high (|> (int64-high (@@ input))
-                                    (r.bit-shl (@@ shift))
-                                    (r.bit-or mid))
-                           low (|> (int64-low (@@ input))
-                                   (r.bit-shl (@@ shift)))]
-                       (int//new high low))])
-              (let [high (|> (int64-high (@@ input))
-                             (r.bit-shl (|> (@@ shift) (r.- (r.int 32)))))]
-                (int//new high (r.int 0))))))
-
-(runtime: (bit//arithmetic-right-shift-32 shift input)
-  (let [top-bit (|> (@@ input) (r.bit-and (r.int (hex "80000000"))))]
-    (|> (@@ input)
-        (r.bit-ushr (@@ shift))
-        (r.bit-or top-bit))))
-
-(runtime: (bit//arithmetic-right-shift shift input)
-  ($_ r.then
-      (limit-shift! shift)
-      (r.cond (list (no-shift-clause shift input)
-                    [(|> (@@ shift) (r.< (r.int 32)))
-                     (let [mid (|> (int64-high (@@ input)) (r.bit-shl (|> (r.int 32) (r.- (@@ shift)))))
-                           high (|> (int64-high (@@ input))
-                                    (bit//arithmetic-right-shift-32 (@@ shift)))
-                           low (|> (int64-low (@@ input))
-                                   (r.bit-ushr (@@ shift))
-                                   (r.bit-or mid))]
-                       (int//new high low))])
-              (let [low (|> (int64-high (@@ input))
-                            (bit//arithmetic-right-shift-32 (|> (@@ shift) (r.- (r.int 32)))))
-                    high (r.if (|> (int64-high (@@ input)) (r.>= (r.int 0)))
-                           (r.int 0)
-                           (r.int -1))]
-                (int//new high low)))))
-
-(runtime: (int/// param subject)
-  (let [negative? (|>> (int//< int//zero))
-        valid-division-check [(|> (@@ param) (int//= int//zero))
-                              (r.stop (r.string "Cannot divide by zero!"))]
-        short-circuit-check [(|> (@@ subject) (int//= int//zero))
-                             int//zero]]
-    (r.cond (list valid-division-check
-                  short-circuit-check
-
-                  [(|> (@@ subject) (int//= int//min))
-                   (r.cond (list [(|> (|> (@@ param) (int//= int//one))
-                                      (r.or (|> (@@ param) (int//= int//-one))))
-                                  int//min]
-                                 [(|> (@@ param) (int//= int//min))
-                                  int//one])
-                           (with-vars [approximation]
-                             ($_ r.then
-                                 (r.set! approximation
-                                         (|> (@@ subject)
-                                             (bit//arithmetic-right-shift (r.int 1))
-                                             (int/// (@@ param))
-                                             (bit//left-shift (r.int 1))))
-                                 (r.if (|> (@@ approximation) (int//= int//zero))
-                                   (r.if (negative? (@@ param))
-                                     int//one
-                                     int//-one)
-                                   (let [remainder (int//- (int//* (@@ param) (@@ approximation))
-                                                           (@@ subject))]
-                                     (|> remainder
-                                         (int/// (@@ param))
-                                         (int//+ (@@ approximation))))))))]
-                  [(|> (@@ param) (int//= int//min))
-                   int//zero]
-
-                  [(negative? (@@ subject))
-                   (r.if (negative? (@@ param))
-                     (|> (int//negate (@@ subject))
-                         (int/// (int//negate (@@ param))))
-                     (|> (int//negate (@@ subject))
-                         (int/// (@@ param))
-                         int//negate))]
-
-                  [(negative? (@@ param))
-                   (|> (@@ param)
-                       int//negate
-                       (int/// (@@ subject))
-                       int//negate)])
-            (with-vars [result remainder approximate approximate-result log2 approximate-remainder]
-              ($_ r.then
-                  (r.set! result int//zero)
-                  (r.set! remainder (@@ subject))
-                  (r.while (|> (|> (@@ remainder) (int//< (@@ param)))
-                               (r.or (|> (@@ remainder) (int//= (@@ param)))))
-                           (let [calc-rough-estimate (r.apply (list (|> (int//to-float (@@ remainder)) (r./ (int//to-float (@@ param)))))
-                                                              (r.global "floor"))
-                                 calc-approximate-result (int//from-float (@@ approximate))
-                                 calc-approximate-remainder (|> (@@ approximate-result) (int//* (@@ param)))
-                                 delta (r.if (|> (r.float 48.0) (r.<= (@@ log2)))
-                                         (r.float 1.0)
-                                         (r.** (|> (@@ log2) (r.- (r.float 48.0)))
-                                               (r.float 2.0)))]
-                             ($_ r.then
-                                 (r.set! approximate (r.apply (list (r.float 1.0) calc-rough-estimate)
-                                                              (r.global "max")))
-                                 (r.set! log2 (let [log (function (_ input)
-                                                          (r.apply (list input) (r.global "log")))]
-                                                (r.apply (list (|> (log (r.int 2))
-                                                                   (r./ (log (@@ approximate)))))
-                                                         (r.global "ceil"))))
-                                 (r.set! approximate-result calc-approximate-result)
-                                 (r.set! approximate-remainder calc-approximate-remainder)
-                                 (r.while (|> (negative? (@@ approximate-remainder))
-                                              (r.or (|> (@@ approximate-remainder) (int//< (@@ remainder)))))
-                                          ($_ r.then
-                                              (r.set! approximate (|> delta (r.- (@@ approximate))))
-                                              (r.set! approximate-result calc-approximate-result)
-                                              (r.set! approximate-remainder calc-approximate-remainder)))
-                                 (r.set! result (|> (r.if (|> (@@ approximate-result) (int//= int//zero))
-                                                      int//one
-                                                      (@@ approximate-result))
-                                                    (int//+ (@@ result))))
-                                 (r.set! remainder (|> (@@ remainder) (int//- (@@ approximate-remainder)))))))
-                  (@@ result)))
-            )))
-
-(runtime: (int//% param subject)
-  (let [flat (|> (@@ subject) (int/// (@@ param)) (int//* (@@ param)))]
-    (|> (@@ subject) (int//- flat))))
-
-(def: runtime//int
-  Runtime
-  ($_ r.then
-      @@int//zero
-      @@int//one
-      @@int//min
-      @@int//max
-      @@int//=
-      @@int//<
-      @@int//+
-      @@int//-
-      @@int//negate
-      @@int//-one
-      @@int//unsigned-low
-      @@int//to-float
-      @@int//*
-      @@int///
-      @@int//%))
-
-(runtime: (lux//try op)
-  (with-vars [error value]
-    (r.try ($_ r.then
-               (r.set! value (r.apply (list ..unit) (@@ op)))
-               (..right (@@ value)))
-           #.None
-           (#.Some (r.function (list error)
-                     (..left (r.nth (r.string "message")
-                                    (@@ error)))))
-           #.None)))
-
-(runtime: (lux//program-args program-args)
-  (with-vars [inputs value]
-    ($_ r.then
-        (r.set! inputs ..none)
-        (<| (r.for-in value (@@ program-args))
-            (r.set! inputs (..some (r.list (list (@@ value) (@@ inputs))))))
-        (@@ inputs))))
-
-(def: runtime//lux
-  Runtime
-  ($_ r.then
-      @@lux//try
-      @@lux//program-args))
-
-(def: current-time-float
-  Expression
-  (let [raw-time (r.apply (list) (r.global "Sys.time"))]
-    (r.apply (list raw-time) (r.global "as.numeric"))))
-
-(runtime: (io//current-time! _)
-  (|> current-time-float
-      (r.* (r.float 1,000.0))
-      int//from-float))
-
-(def: runtime//io
-  Runtime
-  ($_ r.then
-      @@io//current-time!))
-
-(def: minimum-index-length
-  (-> SVar Expression)
-  (|>> @@ (r.+ (r.int 1))))
-
-(def: (product-element product index)
-  (-> Expression Expression Expression)
-  (|> product (r.nth (|> index (r.+ (r.int 1))))))
-
-(def: (product-tail product)
-  (-> SVar Expression)
-  (|> (@@ product) (r.nth (r.length (@@ product)))))
-
-(def: (updated-index min-length product)
-  (-> Expression Expression Expression)
-  (|> min-length (r.- (r.length product))))
-
-(runtime: (product//left product index)
-  (let [$index_min_length (r.var "index_min_length")]
-    ($_ r.then
-        (r.set! $index_min_length (minimum-index-length index))
-        (r.if (|> (r.length (@@ product)) (r.> (@@ $index_min_length)))
-          ## No need for recursion
-          (product-element (@@ product) (@@ index))
-          ## Needs recursion
-          (product//left (product-tail product)
-                         (updated-index (@@ $index_min_length) (@@ product)))))))
-
-(runtime: (product//right product index)
-  (let [$index_min_length (r.var "index_min_length")]
-    ($_ r.then
-        (r.set! $index_min_length (minimum-index-length index))
-        (r.cond (list [## Last element.
-                       (|> (r.length (@@ product)) (r.= (@@ $index_min_length)))
-                       (product-element (@@ product) (@@ index))]
-                      [## Needs recursion
-                       (|> (r.length (@@ product)) (r.< (@@ $index_min_length)))
-                       (product//right (product-tail product)
-                                       (updated-index (@@ $index_min_length) (@@ product)))])
-                ## Must slice
-                (|> (@@ product) (r.slice-from (@@ index)))))))
-
-(runtime: (sum//get sum wanted_tag wants_last)
-  (let [no-match r.null
-        sum-tag (|> (@@ sum) (r.nth (r.string //.variant-tag-field)))
-        sum-flag (|> (@@ sum) (r.nth (r.string //.variant-flag-field)))
-        sum-value (|> (@@ sum) (r.nth (r.string //.variant-value-field)))
-        is-last? (|> sum-flag (r.= (r.string "")))
-        test-recursion (r.if is-last?
-                         ## Must recurse.
-                         (sum//get sum-value
-                                   (|> (@@ wanted_tag) (r.- sum-tag))
-                                   (@@ wants_last))
-                         no-match)]
-    (r.cond (list [(r.= sum-tag (@@ wanted_tag))
-                   (r.if (r.= (@@ wants_last) sum-flag)
-                     sum-value
-                     test-recursion)]
-
-                  [(|> (@@ wanted_tag) (r.> sum-tag))
-                   test-recursion]
-
-                  [(|> (|> (@@ wants_last) (r.= (r.string "")))
-                       (r.and (|> (@@ wanted_tag) (r.< sum-tag))))
-                   (variant' (|> sum-tag (r.- (@@ wanted_tag))) sum-flag sum-value)])
-
-            no-match)))
-
-(def: runtime//adt
-  Runtime
-  ($_ r.then
-      @@product//left
-      @@product//right
-      @@sum//get
-      ))
-
-(template [<name> <op>]
-  [(runtime: (<name> mask input)
-     (int//new (<op> (int64-high (@@ mask))
-                     (int64-high (@@ input)))
-               (<op> (int64-low (@@ mask))
-                     (int64-low (@@ input)))))]
-
-  [bit//and r.bit-and]
-  [bit//or  r.bit-or]
-  [bit//xor r.bit-xor]
-  )
-
-(runtime: (bit//logical-right-shift shift input)
-  ($_ r.then
-      (limit-shift! shift)
-      (r.cond (list (no-shift-clause shift input)
-                    [(|> (@@ shift) (r.< (r.int 32)))
-                     (with-vars [$mid]
-                       (let [mid (|> (int64-high (@@ input)) (r.bit-shl (|> (r.int 32) (r.- (@@ shift)))))
-                             high (|> (int64-high (@@ input)) (r.bit-ushr (@@ shift)))
-                             low (|> (int64-low (@@ input))
-                                     (r.bit-ushr (@@ shift))
-                                     (r.bit-or (r.if (r.apply (list (@@ $mid)) (r.global "is.na"))
-                                                 (r.int 0)
-                                                 (@@ $mid))))]
-                         ($_ r.then
-                             (r.set! $mid mid)
-                             (int//new high low))))]
-                    [(|> (@@ shift) (r.= (r.int 32)))
-                     (let [high (int64-high (@@ input))]
-                       (int//new (r.int 0) high))])
-              (let [low (|> (int64-high (@@ input)) (r.bit-ushr (|> (@@ shift) (r.- (r.int 32)))))]
-                (int//new (r.int 0) low)))))
-
-(def: runtime//bit
-  Runtime
-  ($_ r.then
-      @@bit//and
-      @@bit//or
-      @@bit//xor
-      @@bit//not
-      @@bit//left-shift
-      @@bit//arithmetic-right-shift-32
-      @@bit//arithmetic-right-shift
-      @@bit//logical-right-shift
-      ))
-
-(runtime: (frac//decode input)
-  (with-vars [output]
-    ($_ r.then
-        (r.set! output (r.apply (list (@@ input)) (r.global "as.numeric")))
-        (r.if (|> (@@ output) (r.= r.n/a))
-          ..none
-          (..some (@@ output))))))
-
-(def: runtime//frac
-  Runtime
-  ($_ r.then
-      @@frac//decode))
-
-(def: inc (-> Expression Expression) (|>> (r.+ (r.int 1))))
-
-(template [<name> <top-cmp>]
-  [(def: (<name> top value)
-     (-> Expression Expression Expression)
-     (|> (|> value (r.>= (r.int 0)))
-         (r.and (|> value (<top-cmp> top)))))]
-
-  [within? r.<]
-  [up-to?  r.<=]
-  )
-
-(def: (text-clip start end text)
-  (-> Expression Expression Expression Expression)
-  (r.apply (list text start end)
-           (r.global "substr")))
-
-(def: (text-length text)
-  (-> Expression Expression)
-  (r.apply (list text) (r.global "nchar")))
-
-(runtime: (text//index subject param start)
-  (with-vars [idx startF subjectL]
-    ($_ r.then
-        (r.set! startF (int//to-float (@@ start)))
-        (r.set! subjectL (text-length (@@ subject)))
-        (r.if (|> (@@ startF) (within? (@@ subjectL)))
-          ($_ r.then
-              (r.set! idx (|> (r.apply-kw (list (@@ param) (r.if (|> (@@ startF) (r.= (r.int 0)))
-                                                             (@@ subject)
-                                                             (text-clip (inc (@@ startF))
-                                                                        (inc (@@ subjectL))
-                                                                        (@@ subject))))
-                                          (list ["fixed" (r.bool #1)])
-                                          (r.global "regexpr"))
-                              (r.nth (r.int 1))))
-              (r.if (|> (@@ idx) (r.= (r.int -1)))
-                ..none
-                (..some (int//from-float (|> (@@ idx) (r.+ (@@ startF)))))))
-          ..none))))
-
-(runtime: (text//clip text from to)
-  (with-vars [length]
-    ($_ r.then
-        (r.set! length (r.length (@@ text)))
-        (r.if ($_ r.and
-                  (|> (@@ to) (within? (@@ length)))
-                  (|> (@@ from) (up-to? (@@ to))))
-          (..some (text-clip (inc (@@ from)) (inc (@@ to)) (@@ text)))
-          ..none))))
-
-(def: (char-at idx text)
-  (-> Expression Expression Expression)
-  (r.apply (list (text-clip idx idx text))
-           (r.global "utf8ToInt")))
-
-(runtime: (text//char text idx)
-  (r.if (|> (@@ idx) (within? (r.length (@@ text))))
-    ($_ r.then
-        (r.set! idx (inc (@@ idx)))
-        (..some (int//from-float (char-at (@@ idx) (@@ text)))))
-    ..none))
-
-(def: runtime//text
-  Runtime
-  ($_ r.then
-      @@text//index
-      @@text//clip
-      @@text//char))
-
-(def: (check-index-out-of-bounds array idx body)
-  (-> Expression Expression Expression Expression)
-  (r.if (|> idx (r.<= (r.length array)))
-    body
-    (r.stop (r.string "Array index out of bounds!"))))
-
-(runtime: (array//new size)
-  (with-vars [output]
-    ($_ r.then
-        (r.set! output (r.list (list)))
-        (r.set-nth! (|> (@@ size) (r.+ (r.int 1)))
-                    r.null
-                    output)
-        (@@ output))))
-
-(runtime: (array//get array idx)
-  (with-vars [temp]
-    (<| (check-index-out-of-bounds (@@ array) (@@ idx))
-        ($_ r.then
-            (r.set! temp (|> (@@ array) (r.nth (@@ idx))))
-            (r.if (|> (@@ temp) (r.= r.null))
-              ..none
-              (..some (@@ temp)))))))
-
-(runtime: (array//put array idx value)
-  (<| (check-index-out-of-bounds (@@ array) (@@ idx))
-      ($_ r.then
-          (r.set-nth! (@@ idx) (@@ value) array)
-          (@@ array))))
-
-(def: runtime//array
-  Runtime
-  ($_ r.then
-      @@array//new
-      @@array//get
-      @@array//put))
-
-(runtime: (box//write value box)
-  ($_ r.then
-      (r.set-nth! (r.int 1) (@@ value) box)
-      ..unit))
-
-(def: runtime//box
-  Runtime
-  ($_ r.then
-      @@box//write))
-
-(def: runtime
-  Runtime
-  ($_ r.then
-      runtime//lux
-      @@f2^32
-      @@f2^63
-      @@int//new
-      @@int//from-float
-      runtime//bit
-      runtime//int
-      runtime//adt
-      runtime//frac
-      runtime//text
-      runtime//array
-      runtime//box
-      runtime//io
-      ))
-
-(def: #export artifact Text (format prefix ".r"))
-
-(def: #export translate
-  (Meta (Process Any))
-  (do macro.Monad<Meta>
-    [_ //.init-module-buffer
-     _ (//.save runtime)]
-    (//.save-module! artifact)))
diff --git a/lux-r/source/luxc/lang/translation/r/statement.jvm.lux b/lux-r/source/luxc/lang/translation/r/statement.jvm.lux
deleted file mode 100644
index 1798cb56d..000000000
--- a/lux-r/source/luxc/lang/translation/r/statement.jvm.lux
+++ /dev/null
@@ -1,45 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do])
-       [macro]
-       (data text/format))
-  (luxc (lang [".L" module]
-              (host [r #+ Expression @@])))
-  [//]
-  (// [".T" runtime]
-      [".T" reference]
-      [".T" eval]))
-
-(def: #export (translate-def name expressionT expressionO metaV)
-  (-> Text Type Expression Code (Meta Any))
-  (do {@ macro.Monad<Meta>}
-    [current-module macro.current-module-name
-     #let [def-name [current-module name]]]
-    (case (macro.get-identifier-ann (name-of #.alias) metaV)
-      (#.Some real-def)
-      (do @
-        [[realT realA realV] (macro.find-def real-def)
-         _ (moduleL.define def-name [realT metaV realV])]
-        (wrap []))
-
-      _
-      (do @
-        [#let [def-name (referenceT.global def-name)]
-         _ (//.save (r.set! def-name expressionO))
-         expressionV (evalT.eval (@@ def-name))
-         _ (moduleL.define def-name [expressionT metaV expressionV])
-         _ (if (macro.type? metaV)
-             (case (macro.declared-tags metaV)
-               #.Nil
-               (wrap [])
-
-               tags
-               (moduleL.declare-tags tags (macro.export? metaV) (:coerce Type expressionV)))
-             (wrap []))
-         #let [_ (log! (format "DEF " (%name def-name)))]]
-        (wrap []))
-      )))
-
-(def: #export (translate-program programO)
-  (-> Expression (Meta Expression))
-  (macro.fail "translate-program NOT IMPLEMENTED YET"))
diff --git a/lux-r/source/luxc/lang/translation/r/structure.jvm.lux b/lux-r/source/luxc/lang/translation/r/structure.jvm.lux
deleted file mode 100644
index cea8fcd59..000000000
--- a/lux-r/source/luxc/lang/translation/r/structure.jvm.lux
+++ /dev/null
@@ -1,31 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do])
-       (data [text]
-             text/format)
-       [macro])
-  (luxc ["&" lang]
-        (lang [synthesis #+ Synthesis]
-              (host [r #+ Expression])))
-  [//]
-  (// [".T" runtime]))
-
-(def: #export (translate-tuple translate elemsS+)
-  (-> (-> Synthesis (Meta Expression)) (List Synthesis) (Meta Expression))
-  (case elemsS+
-    #.Nil
-    (:: macro.Monad<Meta> wrap runtimeT.unit)
-
-    (#.Cons singletonS #.Nil)
-    (translate singletonS)
-
-    _
-    (do {@ macro.Monad<Meta>}
-      [elemsT+ (monad.map @ translate elemsS+)]
-      (wrap (r.list elemsT+)))))
-
-(def: #export (translate-variant translate tag tail? valueS)
-  (-> (-> Synthesis (Meta Expression)) Nat Bit Synthesis (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueT (translate valueS)]
-    (wrap (runtimeT.variant tag tail? valueT))))
diff --git a/lux-r/source/program.lux b/lux-r/source/program.lux
index e2cf047e9..183797d4f 100644
--- a/lux-r/source/program.lux
+++ b/lux-r/source/program.lux
@@ -1,180 +1,367 @@
 (.module:
-  [lux (#- Definition)
-   ["@" target]
-   ["." host (#+ import:)]
+  [lux #*
+   [program (#+ program:)]
+   ["." ffi]
+   ["." debug]
    [abstract
-    [monad (#+ do)]]
+    ["." monad (#+ do)]]
    [control
-    ["." io (#+ IO)]
+    [pipe (#+ exec> case> new>)]
     ["." try (#+ Try)]
-    [parser
-     [cli (#+ program:)]]
+    ["." exception (#+ exception:)]
+    ["." io (#+ IO io)]
     [concurrency
      ["." promise (#+ Promise)]]]
    [data
-    ["." product]
-    [text
-     ["%" format (#+ format)]]
+    ["." maybe]
+    ["." text ("#\." hash)
+     ["%" format (#+ format)]
+     [encoding
+      ["." utf8]]]
     [collection
-     [array (#+ Array)]
-     ["." dictionary]]]
-   [world
-    ["." file]]
-   [target
-    [jvm
-     [bytecode (#+ Bytecode)]]]
+     ["." array (#+ Array)]]]
+   [macro
+    ["." template]]
+   [math
+    [number (#+ hex)
+     ["n" nat]
+     ["." i64]]]
+   ["." world #_
+    ["." file]
+    ["#/." program]]
+   ["@" target
+    ["_" r]]
    [tool
     [compiler
-     [default
-      ["." platform (#+ Platform)]]
+     [phase (#+ Operation Phase)]
+     [reference
+      [variable (#+ Register)]]
      [language
       [lux
+       [program (#+ Program)]
+       [generation (#+ Context Host)]
+       ["." synthesis]
        [analysis
-        ["." macro (#+ Expander)]]
+        [macro (#+ Expander)]]
        [phase
-        [extension (#+ Phase Bundle Operation Handler Extender)
+        ["." extension (#+ Extender Handler)
+         ["#/." bundle]
          ["." analysis #_
-          ["#" jvm]]
+          ["#" r]]
          ["." generation #_
-          ["#" jvm]]
-         ## ["." directive #_
-         ##  ["#" jvm]]
-         ]
+          ["#" r]]]
         [generation
-         ["." jvm #_
-          ## ["." runtime (#+ Anchor Definition)]
-          ["." packager]
-          ## ["#/." host]
-          ]]]]]]]]
+         ["." reference]
+         ["." r
+          ["." runtime]]]]]]
+     [default
+      ["." platform (#+ Platform)]]
+     [meta
+      ["." packager #_
+       ["#" script]]]]]]
   [program
    ["/" compositor
-    ["/." cli]
-    ["/." static]]]
-  [luxc
-   [lang
-    [host
-     ["_" jvm]]
-    ["." directive #_
-     ["#" jvm]]
-    [translation
-     ["." jvm
-      ["." runtime]
-      ["." expression]
-      ["#/." program]
-      ["translation" extension]]]]])
-
-(import: #long java/lang/reflect/Method
-  (invoke [java/lang/Object [java/lang/Object]] #try java/lang/Object))
-
-(import: #long (java/lang/Class c)
-  (getMethod [java/lang/String [(java/lang/Class java/lang/Object)]] #try java/lang/reflect/Method))
-
-(import: #long java/lang/Object
-  (getClass [] (java/lang/Class java/lang/Object)))
-
-(def: _object-class
-  (java/lang/Class java/lang/Object)
-  (host.class-for java/lang/Object))
-
-(def: _apply2-args
-  (Array (java/lang/Class java/lang/Object))
-  (|> (host.array (java/lang/Class java/lang/Object) 2)
-      (host.array-write 0 _object-class)
-      (host.array-write 1 _object-class)))
-
-(def: _apply4-args
-  (Array (java/lang/Class java/lang/Object))
-  (|> (host.array (java/lang/Class java/lang/Object) 4)
-      (host.array-write 0 _object-class)
-      (host.array-write 1 _object-class)
-      (host.array-write 2 _object-class)
-      (host.array-write 3 _object-class)))
-
-(def: #export (expander macro inputs lux)
+    ["#." cli]
+    ["#." static]]])
+
+(ffi.import: java/lang/String)
+
+(ffi.import: (java/lang/Class a)
+  ["#::."
+   (#static forName [java/lang/String] #try (java/lang/Class java/lang/Object))])
+
+(ffi.import: java/lang/Object
+  ["#::."
+   (toString [] java/lang/String)
+   (getClass [] (java/lang/Class java/lang/Object))])
+
+(ffi.import: java/lang/Long
+  ["#::."
+   (intValue [] java/lang/Integer)])
+
+(ffi.import: java/lang/Integer
+  ["#::."
+   (longValue [] long)])
+
+(ffi.import: java/lang/Number
+  ["#::."
+   (intValue [] java/lang/Integer)
+   (longValue [] long)
+   (doubleValue [] double)])
+
+(ffi.import: javax/script/ScriptEngine
+  ["#::."
+   (eval [java/lang/String] #try java/lang/Object)])
+
+(ffi.import: org/renjin/script/RenjinScriptEngine)
+
+(ffi.import: org/renjin/script/RenjinScriptEngineFactory
+  ["#::."
+   (new [])
+   (getScriptEngine [] org/renjin/script/RenjinScriptEngine)])
+
+(template [<name>]
+  [(exception: (<name> {object java/lang/Object})
+     (exception.report
+      ["Class" (java/lang/Object::toString (java/lang/Object::getClass object))]
+      ["Object" (java/lang/Object::toString object)]))]
+
+  [unknown_kind_of_object]
+  [cannot_apply_a_non_function]
+  )
+
+## (def: host_bit
+##   (-> Bit org/armedbear/lisp/LispObject)
+##   (|>> (case> #0 (org/armedbear/lisp/Nil::NIL)
+##               #1 (org/armedbear/lisp/Symbol::T))))
+
+## (def: (host_value value)
+##   (-> Any org/armedbear/lisp/LispObject)
+##   (let [to_sub (: (-> Any org/armedbear/lisp/LispObject)
+##                   (function (_ sub_value)
+##                     (let [sub_value (:coerce java/lang/Object sub_value)]
+##                       (`` (<| (~~ (template [<type> <then>]
+##                                     [(case (ffi.check <type> sub_value)
+##                                        (#.Some sub_value)
+##                                        (`` (|> sub_value (~~ (template.splice <then>))))
+##                                        #.None)]
+
+##                                     [[java/lang/Object] [host_value]]
+##                                     [java/lang/Boolean [..host_bit]]
+##                                     [java/lang/Integer [java/lang/Integer::longValue org/armedbear/lisp/Fixnum::getInstance]]
+##                                     [java/lang/Long [org/armedbear/lisp/Bignum::getInstance]]
+##                                     [java/lang/Double [org/armedbear/lisp/DoubleFloat::new]]
+##                                     [java/lang/String [org/armedbear/lisp/SimpleString::new]]
+##                                     ))
+##                               ## else
+##                               (:coerce org/armedbear/lisp/LispObject sub_value))))))]
+##     (`` (ffi.object [] org/armedbear/lisp/LispObject [program/LuxADT]
+##           []
+##           ## Methods
+##           (program/LuxADT
+##            [] (getValue self) java/lang/Object
+##            (:coerce java/lang/Object value))
+
+##           (org/armedbear/lisp/LispObject
+##            [] (length self)
+##            int
+##            (|> value
+##                (:coerce (Array java/lang/Object))
+##                array.size
+##                (:coerce java/lang/Long)
+##                java/lang/Number::intValue))
+
+##           (~~ (template [<name>]
+##                 [(org/armedbear/lisp/LispObject
+##                   [] (<name> self {idx int})
+##                   org/armedbear/lisp/LispObject
+##                   (case (array.read (|> idx java/lang/Integer::longValue (:coerce Nat))
+##                                     (:coerce (Array java/lang/Object) value))
+##                     (#.Some sub)
+##                     (to_sub sub)
+
+##                     #.None
+##                     (org/armedbear/lisp/Nil::NIL)))]
+
+##                 [NTH] [SVREF] [elt]
+##                 ))
+##           ))))
+
+(type: (Reader a)
+  (-> a (Try Any)))
+
+## (def: (read_variant read host_object)
+##   (-> (Reader org/armedbear/lisp/LispObject) (Reader org/armedbear/lisp/Cons))
+##   (do try.monad
+##     [tag (read (org/armedbear/lisp/LispObject::NTH +0 host_object))
+##      value (read (org/armedbear/lisp/LispObject::NTH +2 host_object))]
+##     (wrap [(java/lang/Long::intValue (:coerce java/lang/Long tag))
+##            (case (ffi.check org/armedbear/lisp/Nil (org/armedbear/lisp/LispObject::NTH +1 host_object))
+##              (#.Some _)
+##              (: Any (ffi.null))
+
+##              _
+##              (: Any synthesis.unit))
+##            value])))
+
+## (def: (read_tuple read host_object)
+##   (-> (Reader org/armedbear/lisp/LispObject) (Reader org/armedbear/lisp/SimpleVector))
+##   (let [size (.nat (org/armedbear/lisp/LispObject::length host_object))]
+##     (loop [idx 0
+##            output (:coerce (Array Any) (array.new size))]
+##       (if (n.< size idx)
+##         ## TODO: Start using "SVREF" instead of "elt" ASAP
+##         (case (read (org/armedbear/lisp/LispObject::elt (.int idx) host_object))
+##           (#try.Failure error)
+##           (#try.Failure error)
+
+##           (#try.Success member)
+##           (recur (inc idx) (array.write! idx (:coerce Any member) output)))
+##         (#try.Success output)))))
+
+(def: (read host_object)
+  (Reader java/lang/Object)
+  (`` (<| ## (~~ (template [<class> <post_processing>]
+       ##       [(case (ffi.check <class> host_object)
+       ##          (#.Some host_object)
+       ##          (`` (|> host_object (~~ (template.splice <post_processing>))))
+
+       ##          #.None)]
+
+       ##       [org/armedbear/lisp/Bignum [org/armedbear/lisp/Bignum::longValue #try.Success]]
+       ##       [org/armedbear/lisp/Fixnum [org/armedbear/lisp/Fixnum::longValue #try.Success]]
+       ##       [org/armedbear/lisp/DoubleFloat [org/armedbear/lisp/DoubleFloat::doubleValue #try.Success]]
+       ##       [org/armedbear/lisp/SimpleString [org/armedbear/lisp/SimpleString::getStringValue #try.Success]]
+       ##       [org/armedbear/lisp/Cons [(read_variant read)]]
+       ##       [org/armedbear/lisp/SimpleVector [(read_tuple read)]]
+       ##       [org/armedbear/lisp/Nil [(new> (#try.Success false) [])]]
+       ##       [org/armedbear/lisp/Closure [#try.Success]]
+       ##       [program/LuxADT [program/LuxADT::getValue #try.Success]]))
+       ## (case (ffi.check org/armedbear/lisp/Symbol host_object)
+       ##   (#.Some host_object)
+       ##   (if (is? (org/armedbear/lisp/Symbol::T) host_object)
+       ##     (#try.Success true)
+       ##     (exception.throw ..unknown_kind_of_object [host_object]))
+
+       ##   #.None)
+       ## else
+       (exception.throw ..unknown_kind_of_object [host_object])
+       )))
+
+## (def: ensure_macro
+##   (-> Macro (Maybe org/armedbear/lisp/Closure))
+##   (|>> (:coerce java/lang/Object) (ffi.check org/armedbear/lisp/Closure)))
+
+## (def: (call_macro inputs lux macro)
+##   (-> (List Code) Lux org/armedbear/lisp/Closure (Try (Try [Lux (List Code)])))
+##   (do try.monad
+##     [raw_output (org/armedbear/lisp/LispObject::execute (..host_value inputs) (..host_value lux) macro)]
+##     (:coerce (Try (Try [Lux (List Code)]))
+##              (..read raw_output))))
+
+(def: (expander macro inputs lux)
   Expander
-  (do try.monad
-    [apply-method (|> macro
-                      (:coerce java/lang/Object)
-                      (java/lang/Object::getClass)
-                      (java/lang/Class::getMethod "apply" _apply2-args))]
-    (:coerce (Try (Try [Lux (List Code)]))
-             (java/lang/reflect/Method::invoke
-              (:coerce java/lang/Object macro)
-              (|> (host.array java/lang/Object 2)
-                  (host.array-write 0 (:coerce java/lang/Object inputs))
-                  (host.array-write 1 (:coerce java/lang/Object lux)))
-              apply-method))))
-
-(def: #export platform
-  ## (IO (Platform Anchor (Bytecode Any) Definition))
-  (IO (Platform _.Anchor _.Inst _.Definition))
+  ## (case (ensure_macro macro)
+  ##   (#.Some macro)
+  ##   (call_macro inputs lux macro)
+
+  ##   #.None
+  ##   (exception.throw ..cannot_apply_a_non_function (:coerce java/lang/Object macro)))
+  (exception.throw ..cannot_apply_a_non_function (:coerce java/lang/Object macro)))
+
+(def: host
+  (IO (Host _.Expression _.Expression))
+  (io (let [interpreter (|> (org/renjin/script/RenjinScriptEngineFactory::new)
+                            org/renjin/script/RenjinScriptEngineFactory::getScriptEngine)
+            run! (: (-> (_.Code Any) (Try Any))
+                    (function (_ code)
+                      (do try.monad
+                        [host_value (javax/script/ScriptEngine::eval (_.code code) interpreter)]
+                        (read host_value))))]
+        (: (Host _.Expression _.Expression)
+           (structure
+            (def: (evaluate! context code)
+              (run! code))
+            
+            (def: (execute! input)
+              (javax/script/ScriptEngine::eval (_.code input) interpreter))
+            
+            (def: (define! context input)
+              (let [global (reference.artifact context)
+                    $global (_.var global)]
+                (do try.monad
+                  [#let [definition (_.set! $global input)]
+                   _ (javax/script/ScriptEngine::eval (_.code definition) interpreter)
+                   value (run! $global)]
+                  (wrap [global value definition]))))
+
+            (def: (ingest context content)
+              (|> content (\ utf8.codec decode) try.assume (:coerce _.Expression)))
+
+            (def: (re_learn context content)
+              (run! content))
+            
+            (def: (re_load context content)
+              (do try.monad
+                [_ (run! content)]
+                (run! (_.var (reference.artifact context)))))
+            )))))
+
+(def: platform
+  (IO (Platform _.SVar _.Expression _.Expression))
   (do io.monad
-    [## host jvm/host.host
-     host jvm.host]
-    (wrap {#platform.&file-system (file.async file.system)
+    [host ..host]
+    (wrap {#platform.&file_system (file.async file.default)
            #platform.host host
-           ## #platform.phase jvm.generate
-           #platform.phase expression.translate
-           ## #platform.runtime runtime.generate
-           #platform.runtime runtime.translate
-           #platform.write product.right})))
-
-(def: extender
-  Extender
-  ## TODO: Stop relying on coercions ASAP.
-  (<| (:coerce Extender)
-      (function (@self handler))
-      (:coerce Handler)
-      (function (@self name phase))
-      (:coerce Phase)
-      (function (@self parameters))
-      (:coerce Operation)
-      (function (@self state))
-      (:coerce Try)
-      try.assume
-      (:coerce Try)
-      (do try.monad
-        [method (|> handler
-                    (:coerce java/lang/Object)
-                    (java/lang/Object::getClass)
-                    (java/lang/Class::getMethod "apply" _apply4-args))]
-        (java/lang/reflect/Method::invoke
-         (:coerce java/lang/Object handler)
-         (|> (host.array java/lang/Object 4)
-             (host.array-write 0 (:coerce java/lang/Object name))
-             (host.array-write 1 (:coerce java/lang/Object phase))
-             (host.array-write 2 (:coerce java/lang/Object parameters))
-             (host.array-write 3 (:coerce java/lang/Object state)))
-         method))))
-
-(def: (target service)
-  (-> /cli.Service /cli.Target)
-  (case service
-    (^or (#/cli.Compilation [sources libraries target module])
-         (#/cli.Interpretation [sources libraries target module])
-         (#/cli.Export [sources target]))
-    target))
-
-(def: (declare-success! _)
+           #platform.phase r.generate
+           #platform.runtime runtime.generate
+           #platform.write (|>> _.code (\ utf8.codec encode))})))
+
+(def: (program context program)
+  (Program _.Expression _.Expression)
+  (_.apply/2 program [(runtime.lux::program_args (_.commandArgs/0 [])) _.null]))
+
+(for {@.old
+      (def: extender
+        Extender
+        ## TODO: Stop relying on coercions ASAP.
+        (<| (:coerce Extender)
+            (function (@self handler))
+            (:coerce Handler)
+            (function (@self name phase))
+            (:coerce Phase)
+            (function (@self archive parameters))
+            (:coerce Operation)
+            (function (@self state))
+            (:coerce Try)
+            try.assume
+            (:coerce Try)
+            (exec
+              ("lux io log" "TODO: Extender")
+              (#try.Failure "TODO: Extender"))))
+
+      @.r
+      (def: (extender handler)
+        Extender
+        (:assume handler))})
+
+(def: (declare_success! _)
   (-> Any (Promise Any))
-  (promise.future (io.exit +0)))
-
-(program: [{service /cli.service}]
-  (let [jar-path (format (..target service) (:: file.system separator) "program.jar")]
-    (exec (do promise.monad
-            [_ (/.compiler {#/static.host @.jvm
-                            #/static.host-module-extension ".jvm"
-                            #/static.target (..target service)
-                            #/static.artifact-extension ".class"}
-                           ..expander
-                           analysis.bundle
-                           ..platform
-                           ## generation.bundle
-                           translation.bundle
-                           (directive.bundle ..extender)
-                           jvm/program.program
-                           ..extender
-                           service
-                           [(packager.package jvm/program.class) jar-path])]
-            (..declare-success! []))
-      (io.io []))))
+  (promise.future (\ world/program.default exit +0)))
+
+(def: (scope body)
+  (-> _.Expression _.Expression)
+  (let [$program (_.var "lux_program")]
+    ($_ _.then
+        (_.set! $program (_.function (list) body))
+        (_.apply/0 $program [])
+        )))
+
+(`` (program: [{service /cli.service}]
+      (let [extension ".r"]
+        (do io.monad
+          [platform ..platform]
+          (exec (do promise.monad
+                  [_ (/.compiler {#/static.host @.r
+                                  #/static.host_module_extension extension
+                                  #/static.target (/cli.target service)
+                                  #/static.artifact_extension extension}
+                                 ..expander
+                                 analysis.bundle
+                                 (io.io platform)
+                                 generation.bundle
+                                 extension/bundle.empty
+                                 ..program
+                                 [_.SVar _.Expression _.Expression]
+                                 ..extender
+                                 service
+                                 [(packager.package (_.manual "")
+                                                    _.code
+                                                    _.then
+                                                    ..scope)
+                                  (format (/cli.target service)
+                                          (\ file.default separator)
+                                          "program"
+                                          extension)])]
+                  (..declare_success! []))
+            (io.io []))))))
diff --git a/lux-r/source/luxc/lang/translation/r/procedure/common.jvm.lux b/stdlib/source/lux/tool/compiler/language/lux/phase/generation/r/procedure/common.lux
index 85ccd90dc..85ccd90dc 100644
--- a/lux-r/source/luxc/lang/translation/r/procedure/common.jvm.lux
+++ b/stdlib/source/lux/tool/compiler/language/lux/phase/generation/r/procedure/common.lux
diff --git a/lux-r/source/luxc/lang/translation/r/procedure/host.jvm.lux b/stdlib/source/lux/tool/compiler/language/lux/phase/generation/r/procedure/host.lux
index 3bd33955f..3bd33955f 100644
--- a/lux-r/source/luxc/lang/translation/r/procedure/host.jvm.lux
+++ b/stdlib/source/lux/tool/compiler/language/lux/phase/generation/r/procedure/host.lux