- Initial R back-end implementation.

24 files changed, 3039 insertions, 11 deletions

diff --git a/new-luxc/project.clj b/new-luxc/project.clj
index 73c42b472..770612a73 100644
--- a/new-luxc/project.clj
+++ b/new-luxc/project.clj
@@ -12,7 +12,8 @@
                               [:name "Eduardo Julian"]
                               [:url "https://github.com/eduardoejp"]]]
   :repositories [["snapshots" "https://oss.sonatype.org/content/repositories/snapshots/"]
-                 ["releases" "https://oss.sonatype.org/service/local/staging/deploy/maven2/"]]
+                 ["releases" "https://oss.sonatype.org/service/local/staging/deploy/maven2/"]
+                 ["bedatadriven" "https://nexus.bedatadriven.com/content/groups/public/"]]
   :scm {:name "git"
         :url "https://github.com/LuxLang/lux.git"}
 
@@ -21,7 +22,9 @@
                  [net.sandius.rembulan/rembulan-stdlib "0.1-SNAPSHOT"]
                  [net.sandius.rembulan/rembulan-compiler "0.1-SNAPSHOT"]
                  [org.jruby/jruby-complete "9.1.16.0"]
-                 [org.python/jython-standalone "2.7.1"]]
+                 [org.python/jython-standalone "2.7.1"]
+                 [org.renjin/renjin-script-engine "0.8.2527"]
+                 ]
   
   :source-paths ["source"]
   :test-paths ["test"]
diff --git a/new-luxc/source/luxc/lang/host/r.lux b/new-luxc/source/luxc/lang/host/r.lux
new file mode 100644
index 000000000..62c33479d
--- /dev/null
+++ b/new-luxc/source/luxc/lang/host/r.lux
@@ -0,0 +1,347 @@
+(.module:
+  [lux #- not or and list if function cond]
+  (lux (control pipe)
+       (data [text]
+             text/format
+             [number]
+             (coll [list "list/" Functor<List> Fold<List>]))
+       (type abstract)))
+
+(abstract: #export Single {} Unit)
+(abstract: #export Poly {} Unit)
+
+(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 Text)
+    (format "(" code ")"))
+
+  (def: #export null
+    Expression
+    (|> "NULL" self-contained @abstraction))
+
+  (def: #export n/a
+    Expression
+    (|> "NA" self-contained @abstraction))
+
+  (def: #export not-available Expression n/a)
+  (def: #export not-applicable Expression n/a)
+  (def: #export no-answer Expression n/a)
+
+  (def: #export bool
+    (-> Bool Expression)
+    (|>> (case> true "TRUE"
+                false "FALSE")
+         self-contained
+         @abstraction))
+
+  (def: #export (int value)
+    (-> Int Expression)
+    (@abstraction
+     (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
+         @abstraction))
+
+  (def: #export string
+    (-> Text Expression)
+    (|>> %t self-contained @abstraction))
+
+  (def: (composite-literal left-delimiter right-delimiter entry-serializer)
+    (All [a] (-> Text Text (-> a Text)
+                 (-> (List a) Expression)))
+    (.function (_ entries)
+      (@abstraction
+       (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)))))
+  
+  (do-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)
+    (@abstraction
+     (self-contained
+      (format (@representation list)
+              "[" (@representation from) ":" (@representation to) "]"))))
+
+  (def: #export (slice-from from list)
+    (-> Expression Expression Expression)
+    (@abstraction
+     (self-contained
+      (format (@representation list)
+              "[-1"  ":-" (@representation from) "]"))))
+
+  (def: #export (apply args func)
+    (-> (List Expression) Expression Expression)
+    (@abstraction
+     (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)
+    (@abstraction
+     (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)
+    (@abstraction
+     (self-contained
+      (format (@representation list) "[[" (@representation idx) "]]"))))
+
+  (def: #export (if test then else)
+    (-> Expression Expression Expression Expression)
+    (@abstraction
+     (self-contained
+      (format "if(" (@representation test) ")"
+              " " (@representation then)
+              " else " (@representation else)))))
+
+  (def: #export (cond clauses else)
+    (-> (List [Expression Expression]) Expression Expression)
+    (list/fold (.function (_ [test then] next)
+                 (if test then next))
+               else
+               (list.reverse clauses)))
+
+  (do-template [<name> <op>]
+    [(def: #export (<name> param subject)
+       (-> Expression Expression Expression)
+       (@abstraction
+        (self-contained
+         (format (@representation subject)
+                 " " <op> " "
+                 (@representation param)))))]
+
+    [=       "=="]
+    [<       "<"]
+    [<=      "<="]
+    [>       ">"]
+    [>=      ">="]
+    [+       "+"]
+    [-       "-"]
+    [*       "*"]
+    [/       "/"]
+    [%%      "%%"]
+    [**      "**"]
+    [or      "||"]
+    [and     "&&"]
+    )
+
+  (def: #export @@
+    (All [k] (-> (Var k) Expression))
+    (|>> ..name self-contained @abstraction))
+
+  (def: #export global
+    (-> Text Expression)
+    (|>> var @@))
+
+  (do-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")))
+
+  (do-template [<name> <op>]
+    [(def: #export <name>
+       (-> Expression Expression)
+       (|>> @representation (format <op>) self-contained @abstraction))]
+
+    [not    "!"]
+    [negate "-"]
+    )
+  
+  (def: #export (length list)
+    (-> Expression Expression)
+    (..apply (.list list) (..global "length")))
+
+  (def: #export (range from to)
+    (-> Expression Expression Expression)
+    (@abstraction
+     (self-contained
+      (format (@representation from) ":" (@representation to)))))
+  )
+
+(abstract: #export Statement
+  {}
+  
+  Text
+
+  (def: #export statement (-> Statement Text) (|>> @representation))
+
+  (def: nest
+    (-> Statement Text)
+    (|>> @representation
+         (format "\n")
+         (text.replace-all "\n" "\n  ")))
+
+  (def: #export (set-nth! idx value list)
+    (-> Expression Expression SVar Statement)
+    (@abstraction (format (..name list) "[" (expression idx) "] <- " (expression value))))
+
+  (def: #export (set! var value)
+    (-> (Var Single) Expression Statement)
+    (@abstraction
+     (format (..name var) " <- " (expression value))))
+
+  (def: #export (if! test then! else!)
+    (-> Expression Statement Statement Statement)
+    (@abstraction
+     (format "if(" (expression test) ") {"
+             (nest then!)
+             "\n" "} else {"
+             (nest else!)
+             "\n" "}")))
+
+  (def: #export (when! test then!)
+    (-> Expression Statement Statement)
+    (@abstraction
+     (format "if(" (expression test) ") {"
+             (nest then!)
+             "\n" "}")))
+
+  (def: #export (cond! clauses else!)
+    (-> (List [Expression Statement]) Statement Statement)
+    (list/fold (.function (_ [test then!] next!)
+                 (if! test then! next!))
+               else!
+               (list.reverse clauses)))
+
+  (def: #export (then! pre! post!)
+    (-> Statement Statement Statement)
+    (@abstraction
+     (format (@representation pre!)
+             "\n"
+             (@representation post!))))
+
+  (def: #export (while! test body!)
+    (-> Expression Statement Statement)
+    (@abstraction
+     (format "while (" (expression test) ") {"
+             (nest body!)
+             "\n" "}")))
+
+  (def: #export (do! expression)
+    (-> Expression Statement)
+    (@abstraction (..expression expression)))
+
+  (def: #export no-op!
+    Statement
+    (@abstraction "\n"))
+
+  (do-template [<name> <keyword>]
+    [(def: #export (<name> message)
+       (-> Expression Statement)
+       (@abstraction
+        (format <keyword> "(" (expression message) ")")))]
+
+    [stop!   "stop"]
+    [print!  "print"]
+    )
+
+  (def: #export (block statement)
+    (-> Statement Expression)
+    (..code (format "{"
+                    (nest statement)
+                    "\n" "}")))
+
+  (def: #export (for-in! var inputs body!)
+    (-> SVar Expression Statement Statement)
+    (@abstraction
+     (format "for (" (..name var) " in " (..expression inputs) ")"
+             (..expression (..block body!)))))
+  )
+
+(def: #export (function inputs body!)
+  (-> (List (Ex [k] (Var k))) Statement Expression)
+  (let [args (|> inputs (list/map ..name) (text.join-with ", "))]
+    (..code (format "function(" args ")" (..expression (..block body!))))))
+
+(def: #export (try body! warning error finally!)
+  (-> Statement (Maybe Expression) (Maybe Expression) (Maybe Statement) Expression)
+  (..code (format "(tryCatch("
+                  (..expression (..block body!))
+                  (case warning
+                    (#.Some warning)
+                    (format ", warning = " (..expression warning))
+                    
+                    #.None
+                    "")
+                  (case error
+                    (#.Some error)
+                    (format ", error = " (..expression error))
+                    
+                    #.None
+                    "")
+                  (case finally!
+                    (#.Some finally!)
+                    (format ", finally = " (..expression (..block finally!)))
+                    
+                    #.None
+                    "")
+                  "))")))
diff --git a/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux
index 137e5d4ab..12a0fe6a5 100644
--- a/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux
+++ b/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux
@@ -424,13 +424,13 @@
                                                         (lua.block! (list (lua.local! "process" (#.Some (lua.nth "idx" "queue")))
                                                                           (lua.when! (lua.apply "coroutine.resume" (list "process"))
                                                                                      (lua.apply "table.insert" (list "survivors" "process"))))))
-                                         (lua.set! "queue" "survivors")))]
+                                         (lua.set! "queue" "survivors")))
+        loop-body! (lua.block! (list migrate-incoming!
+                                     consume-queue!))]
     (lua.block! (list (lua.local! "queue" (#.Some (lua.array (list))))
-                      migrate-incoming!
-                      consume-queue!
-                      (lua.when! (lua.> (lua.int 0)
-                                        (lua.length "queue"))
-                                 (process//loop unit))))))
+                      loop-body!
+                      (lua.while! (|> (lua.length "queue") (lua.> (lua.int 0)))
+                                  loop-body!)))))
 
 (runtime: (process//future procedure)
   (lua.block! (list (lua.apply "table.insert" (list process//incoming
diff --git a/new-luxc/source/luxc/lang/translation/r.lux b/new-luxc/source/luxc/lang/translation/r.lux
new file mode 100644
index 000000000..aba64bc87
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r.lux
@@ -0,0 +1,223 @@
+(.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 Statement]))
+        [".C" io]))
+
+(do-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 (Array 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))
+
+(host.import org/renjin/script/RenjinScriptEngineFactory
+  (new []))
+
+(type: #export Anchor [Text Register])
+
+(type: #export Host
+  {#context [Text Nat]
+   #anchor (Maybe Anchor)
+   #loader (-> Statement (Error Unit))
+   #interpreter (-> Expression (Error Object))
+   #module-buffer (Maybe StringBuilder)
+   #program-buffer StringBuilder})
+
+(def: #export init
+  (IO Host)
+  (io (let [interpreter (|> (RenjinScriptEngineFactory::new [])
+                            (ScriptEngineFactory::getScriptEngine []))]
+        {#context ["" +0]
+         #anchor #.None
+         #loader (function (_ code)
+                   (do e.Monad<Error>
+                     [_ (ScriptEngine::eval [(r.statement code)] interpreter)]
+                     (wrap [])))
+         #interpreter (function (_ code)
+                        (do e.Monad<Error>
+                          [output (ScriptEngine::eval [(r.expression code)] interpreter)]
+                          (wrap (maybe.default (:! Object [])
+                                               output))))
+         #module-buffer #.None
+         #program-buffer (StringBuilder::new [])})))
+
+(def: #export r-module-name Text "module.r")
+
+(def: #export init-module-buffer
+  (Meta Unit)
+  (function (_ compiler)
+    (#e.Success [(update@ #.host
+                          (|>> (:! Host)
+                               (set@ #module-buffer (#.Some (StringBuilder::new [])))
+                               (:! Void))
+                          compiler)
+                 []])))
+
+(def: #export (with-sub-context expr)
+  (All [a] (-> (Meta a) (Meta [Text a])))
+  (function (_ compiler)
+    (let [old (:! Host (get@ #.host compiler))
+          [old-name old-sub] (get@ #context old)
+          new-name (format old-name "f___" (%i (nat-to-int old-sub)))]
+      (case (expr (set@ #.host
+                        (:! Void (set@ #context [new-name +0] old))
+                        compiler))
+        (#e.Success [compiler' output])
+        (#e.Success [(update@ #.host
+                              (|>> (:! Host)
+                                   (set@ #context [old-name (n/inc old-sub)])
+                                   (:! Void))
+                              compiler')
+                     [new-name output]])
+
+        (#e.Error error)
+        (#e.Error error)))))
+
+(def: #export context
+  (Meta Text)
+  (function (_ compiler)
+    (#e.Success [compiler
+                 (|> (get@ #.host compiler)
+                     (:! Host)
+                     (get@ #context)
+                     (let> [name sub]
+                           name))])))
+
+(def: #export (with-anchor anchor expr)
+  (All [a] (-> Anchor (Meta a) (Meta a)))
+  (function (_ compiler)
+    (let [old (:! Host (get@ #.host compiler))]
+      (case (expr (set@ #.host
+                        (:! Void (set@ #anchor (#.Some anchor) old))
+                        compiler))
+        (#e.Success [compiler' output])
+        (#e.Success [(update@ #.host
+                              (|>> (:! Host)
+                                   (set@ #anchor (get@ #anchor old))
+                                   (:! Void))
+                              compiler')
+                     output])
+
+        (#e.Error error)
+        (#e.Error error)))))
+
+(def: #export anchor
+  (Meta Anchor)
+  (function (_ compiler)
+    (case (|> compiler (get@ #.host) (:! 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) (:! 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) (:! Host) (get@ #program-buffer))])))
+
+(do-template [<name> <field> <inputT> <outputT> <unwrap>]
+  [(def: (<name> code)
+     (-> <inputT> (Meta <outputT>))
+     (function (_ compiler)
+       (let [runner (|> compiler (get@ #.host) (:! Host) (get@ <field>))]
+         (case (runner code)
+           (#e.Error error)
+           (exec ## (log! (<unwrap> code))
+             ((lang.throw Cannot-Execute error) compiler))
+           
+           (#e.Success output)
+           (#e.Success [compiler output])))))]
+
+  [load!     #loader      Statement  Unit r.statement]
+  [interpret #interpreter Expression Object r.expression]
+  )
+
+(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])
+  (-> Ident Text)
+  (lang.normalize-name (format module "$" name)))
+
+(do-template [<name> <eval> <un-wrap> <inputT> <outputT>]
+  [(def: #export (<name> code)
+     (-> <inputT> (Meta <outputT>))
+     (do macro.Monad<Meta>
+       [module-buffer module-buffer
+        #let [_ (Appendable::append [(:! CharSequence (<un-wrap> code))]
+                                    module-buffer)]]
+       (<eval> code)))]
+
+  [save load!     r.statement  Statement  Unit]
+  [run  interpret r.expression Expression Object]
+  )
+
+(def: #export (save-module! target)
+  (-> File (Meta (Process Unit)))
+  (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 [(:! 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/new-luxc/source/luxc/lang/translation/r/case.jvm.lux b/new-luxc/source/luxc/lang/translation/r/case.jvm.lux
new file mode 100644
index 000000000..2a635030c
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/case.jvm.lux
@@ -0,0 +1,188 @@
+(.module:
+  lux
+  (lux (control [monad #+ do]
+                ["ex" exception #+ exception:])
+       (data [number]
+             [text]
+             text/format
+             (coll [list "list/" Functor<List> Fold<List>]
+                   [set #+ Set]))
+       [macro #+ "meta/" Monad<Meta>]
+       (macro [code]))
+  (luxc [lang]
+        (lang [".L" variable #+ Register Variable]
+              ["ls" synthesis #+ Synthesis Path]
+              (host [r #+ Expression Statement 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)
+                       (r.do! bodyO))))))
+
+(def: #export (translate-record-get translate valueS pathP)
+  (-> (-> Synthesis (Meta Expression)) Synthesis (List [Nat Bool])
+      (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 (:! 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 Statement)
+  (r.set-nth! (next (@@ var)) value var))
+(def: (pop! var)
+  (-> SVar Statement)
+  (r.set-nth! (top (@@ var)) r.null var))
+
+(def: (push-cursor! value)
+  (-> Expression Statement)
+  (push! value $cursor))
+
+(def: save-cursor!
+  Statement
+  (push! (r.slice (r.float 1.0) (r.length (@@ $cursor)) (@@ $cursor))
+         $savepoint))
+
+(def: restore-cursor!
+  Statement
+  (r.set! $cursor (r.nth (top (@@ $savepoint)) (@@ $savepoint))))
+
+(def: cursor-top
+  Expression
+  (top (@@ $cursor)))
+
+(def: pop-cursor!
+  Statement
+  (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!)
+  (-> Statement Expression)
+  (r.function (list $alt_error)
+    (r.if! (|> (@@ $alt_error) (r.= pm-error))
+           handler!
+           (r.stop! (@@ $alt_error)))))
+
+(def: (translate-pattern-matching' translate pathP)
+  (-> (-> Synthesis (Meta Expression)) Path (Meta Statement))
+  (case pathP
+    (^code ("lux case exec" (~ bodyS)))
+    (do macro.Monad<Meta>
+      [bodyO (translate bodyS)]
+      (wrap (r.do! bodyO)))
+
+    (^code ("lux case pop"))
+    (meta/wrap pop-cursor!)
+
+    (^code ("lux case bind" (~ [_ (#.Nat register)])))
+    (meta/wrap (r.set! (referenceT.variable register) cursor-top))
+
+    (^template [<tag> <format>]
+      [_ (<tag> value)]
+      (meta/wrap (r.when! (r.not (r.= (|> value <format>) cursor-top))
+                          fail-pm!)))
+    ([#.Nat  (<| runtimeT.int (:! Int))]
+     [#.Int  runtimeT.int]
+     [#.Deg  (<| runtimeT.int (:! Int))]
+     [#.Bool r.bool]
+     [#.Frac r.float]
+     [#.Text r.string])
+
+    (^template [<pm> <getter>]
+      (^code (<pm> (~ [_ (#.Nat idx)])))
+      (meta/wrap (push-cursor! (<getter> cursor-top (r.int (:! Int idx))))))
+    (["lux case tuple left" runtimeT.product//left]
+     ["lux case tuple right" runtimeT.product//right])
+
+    (^template [<pm> <flag>]
+      (^code (<pm> (~ [_ (#.Nat idx)])))
+      (meta/wrap ($_ r.then!
+                     (r.set! $temp (runtimeT.sum//get cursor-top (r.int (:! Int idx)) <flag>))
+                     (r.if! (r.not (r.= r.null (@@ $temp)))
+                            (push-cursor! (@@ $temp))
+                            fail-pm!))))
+    (["lux case variant left" r.null]
+     ["lux case variant right" (r.string "")])
+
+    (^code ("lux case seq" (~ leftP) (~ rightP)))
+    (do macro.Monad<Meta>
+      [leftO (translate-pattern-matching' translate leftP)
+       rightO (translate-pattern-matching' translate rightP)]
+      (wrap ($_ 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.do! (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 Statement))
+  (do macro.Monad<Meta>
+    [pattern-matching! (translate-pattern-matching' translate pathP)]
+    (wrap (r.do! (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 Statement)
+  ($_ 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/new-luxc/source/luxc/lang/translation/r/eval.jvm.lux b/new-luxc/source/luxc/lang/translation/r/eval.jvm.lux
new file mode 100644
index 000000000..27d05fdaa
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/eval.jvm.lux
@@ -0,0 +1,162 @@
+(.module:
+  lux
+  (lux (control ["ex" exception #+ exception:]
+                [monad #+ do])
+       (data [bit]
+             [maybe]
+             ["e" error #+ Error]
+             text/format
+             (coll [array]))
+       [host])
+  (luxc [lang]
+        (lang (host [r #+ Expression Statement])))
+  [//])
+
+(do-template [<name>]
+  [(exception: #export (<name> {message Text})
+     message)]
+
+  [Unknown-Kind-Of-Host-Object]
+  [Null-Has-No-Lux-Representation]
+  [Cannot-Evaluate]
+  )
+
+(host.import java/lang/Object
+  (toString [] String)
+  (getClass [] (Class Object)))
+
+(host.import java/lang/Long
+  (intValue [] Integer))
+
+(host.import org/renjin/sexp/SEXP)
+
+(host.import org/renjin/sexp/StringArrayVector
+  (getElementAsString [int] String))
+
+(host.import org/renjin/sexp/LogicalArrayVector
+  (getElementAsRawLogical [int] int))
+
+(host.import org/renjin/sexp/IntArrayVector
+  (getElementAsInt [int] int))
+
+(host.import org/renjin/sexp/DoubleArrayVector
+  (getElementAsDouble [int] double))
+
+(host.import org/renjin/sexp/ListVector
+  (length [] int)
+  (getElementAsSEXP [int] #try SEXP)
+  (getElementAsSEXP #as get-field-sexp [String] #try SEXP))
+
+(host.import org/renjin/sexp/Null) 
+
+(def: (parse-tuple lux-object host-object)
+  (-> (-> Object (Error Top)) ListVector (Error Top))
+  (let [size (:! Nat (ListVector::length [] host-object))]
+    (loop [idx +0
+           output (:! (Array Top) (array.new size))]
+      (if (n/< size idx)
+        (case (ListVector::getElementAsSEXP [(:! Int idx)] host-object)
+          (#e.Error error)
+          (#e.Error error)
+          
+          (#e.Success value)
+          (case (lux-object (:! Object value))
+            (#e.Error error)
+            (#e.Error error)
+
+            (#e.Success lux-value)
+            (recur (n/inc idx) (array.write idx (:! Top lux-value) output))))
+        (#e.Success output)))))
+
+(def: (parse-variant lux-object host-object)
+  (-> (-> Object (Error Top)) ListVector (Error Top))
+  (do e.Monad<Error>
+    [tag (ListVector::get-field-sexp [//.variant-tag-field] host-object)
+     flag (ListVector::get-field-sexp [//.variant-flag-field] host-object)
+     value (ListVector::get-field-sexp [//.variant-value-field] host-object)
+     value (lux-object (:! Object value))]
+    (wrap [(|> tag
+               (:! IntArrayVector)
+               (IntArrayVector::getElementAsInt [0])
+               (Long::intValue []))
+           (: Top
+              (if (host.instance? Null flag)
+                host.null
+                //.unit))
+           value])))
+
+(def: (parse-int host-object)
+  (-> ListVector (Error Int))
+  (do e.Monad<Error>
+    [high (ListVector::get-field-sexp [//.int-high-field] host-object)
+     low (ListVector::get-field-sexp [//.int-low-field] host-object)
+     #let [high (:! Nat (IntArrayVector::getElementAsInt [0] (:! IntArrayVector high)))
+           low (:! Nat (IntArrayVector::getElementAsInt [0] (:! IntArrayVector low)))]]
+    (wrap (|> high (bit.shift-left +32) (n/+ low) nat-to-int))))
+
+(def: (lux-object host-object)
+  (-> Object (Error Top))
+  (cond (host.instance? StringArrayVector host-object)
+        (#e.Success (StringArrayVector::getElementAsString [0] (:! StringArrayVector host-object)))
+
+        (host.instance? LogicalArrayVector host-object)
+        (#e.Success (i/= 1 (LogicalArrayVector::getElementAsRawLogical [0] (:! LogicalArrayVector host-object))))
+
+        (host.instance? IntArrayVector host-object)
+        (#e.Success (IntArrayVector::getElementAsInt [0] (:! IntArrayVector host-object)))
+
+        (host.instance? DoubleArrayVector host-object)
+        (#e.Success (DoubleArrayVector::getElementAsDouble [0] (:! DoubleArrayVector host-object)))
+
+        (host.instance? ListVector host-object)
+        (case (parse-int (:! ListVector host-object))
+          (#e.Error error)
+          (case (parse-variant lux-object (:! ListVector host-object))
+            (#e.Error error)
+            (parse-tuple lux-object (:! ListVector host-object))
+
+            output
+            output)
+
+          output
+          output)
+
+        ## else
+        (let [object-class (:! Text (Object::toString [] (Object::getClass [] (:! Object host-object))))
+              text-representation (:! Text (Object::toString [] (:! Object host-object)))]
+          (ex.throw Unknown-Kind-Of-Host-Object (format object-class " --- " text-representation))))
+  ## (case (python-type host-object)
+  ##   "tuple"
+  ##   (tuple lux-object host-object)
+
+  ##   "dict"
+  ##   (variant lux-object host-object)
+
+  ##   "NoneType"
+  ##   (#e.Success [])
+  
+  ##   type
+  ##   (ex.throw Unknown-Kind-Of-Host-Object (format type " " (Object::toString [] host-object))))
+  )
+
+(def: #export (eval code)
+  (-> Expression (Meta Top))
+  (function (_ compiler)
+    (let [interpreter (|> compiler (get@ #.host) (:! //.Host) (get@ #//.interpreter))]
+      (case (interpreter code)
+        (#e.Error error)
+        (exec (log! (format "eval #e.Error\n"
+                            "<< " (r.expression code) "\n"
+                            error))
+          ((lang.throw Cannot-Evaluate error) compiler))
+
+        (#e.Success output)
+        (case (lux-object output)
+          (#e.Success parsed-output)
+          (#e.Success [compiler parsed-output])
+
+          (#e.Error error)
+          (exec (log! (format "eval #e.Error\n"
+                              "<< " (r.expression code) "\n"
+                              error))
+            ((lang.throw Cannot-Evaluate error) compiler)))))))
diff --git a/new-luxc/source/luxc/lang/translation/r/expression.jvm.lux b/new-luxc/source/luxc/lang/translation/r/expression.jvm.lux
new file mode 100644
index 000000000..67ea089a2
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/expression.jvm.lux
@@ -0,0 +1,88 @@
+(.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 Statement])))
+  [//]
+  (// [".T" runtime]
+      [".T" primitive]
+      [".T" structure]
+      [".T" reference]
+      [".T" function]
+      [".T" case]
+      [".T" procedure])
+  )
+
+(do-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))
+    ([#.Bool primitiveT.translate-bool]
+     [#.Nat  primitiveT.translate-nat]
+     [#.Int  primitiveT.translate-int]
+     [#.Deg  primitiveT.translate-deg]
+     [#.Frac primitiveT.translate-frac]
+     [#.Text primitiveT.translate-text])
+
+    (^code ((~ [_ (#.Nat tag)]) (~ [_ (#.Bool 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)
+
+    [_ (#.Symbol 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/new-luxc/source/luxc/lang/translation/r/function.jvm.lux b/new-luxc/source/luxc/lang/translation/r/function.jvm.lux
new file mode 100644
index 000000000..c42327839
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/function.jvm.lux
@@ -0,0 +1,101 @@
+(.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 Statement @@])))
+  [//]
+  (// [".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 (n/inc register))
+          (|> (@@ $curried) (r.nth (|> register n/inc nat-to-int r.int)))))
+
+(def: (with-closure function-name inits function-definition)
+  (-> Text (List Expression) Statement (Meta Expression))
+  (let [$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.do! (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 [args-inits! (|> (list.n/range +0 (n/dec arity))
+                           (list/map input-declaration)
+                           (case> #.Nil
+                                  r.no-op!
+
+                                  (#.Cons head tail)
+                                  (list/fold r.then! head tail)))
+           arityO (|> arity nat-to-int r.int)
+           $num_args (r.var "num_args")
+           $function (r.var function-name)
+           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 (r.apply (list (@@ r.var-args)) (r.global "list")))
+                    (r.set! $curried (@@ r.var-args))
+                    (r.set! $num_args (r.length (@@ $curried)))
+                    (r.do!
+                     (r.cond (list [(|> (@@ $num_args) (r.= arityO))
+                                    (r.block
+                                     ($_ r.then!
+                                         (r.set! (referenceT.variable +0) (@@ $function))
+                                         args-inits!
+                                         (r.do! bodyO)))]
+                                   [(|> (@@ $num_args) (r.> arityO))
+                                    (let [arity-args (r.slice (r.int 1) arityO (@@ $curried))
+                                          output-func-args (r.slice arityO (@@ $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 (r.apply (list (@@ r.var-args)) (r.global "list")))
+                                     (r.set! $missing (@@ r.var-args))
+                                     (r.do! (|> (@@ $function)
+                                                (apply-poly (r.apply (list (@@ $curried) (@@ $missing))
+                                                                     (r.global "append"))))))))))))))
+    ))
diff --git a/new-luxc/source/luxc/lang/translation/r/loop.jvm.lux b/new-luxc/source/luxc/lang/translation/r/loop.jvm.lux
new file mode 100644
index 000000000..d0caebd80
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/loop.jvm.lux
@@ -0,0 +1,37 @@
+(.module:
+  lux
+  (lux (control [monad #+ do])
+       (data [text]
+             text/format
+             (coll [list "list/" Functor<List>]))
+       [macro])
+  (luxc [lang]
+        (lang ["ls" synthesis]
+              (host [r #+ Expression Statement @@])))
+  [//]
+  (// [".T" reference]))
+
+(def: #export (translate-loop translate offset initsS+ bodyS)
+  (-> (-> ls.Synthesis (Meta Expression)) Nat (List ls.Synthesis) ls.Synthesis
+      (Meta Expression))
+  (do macro.Monad<Meta>
+    [loop-name (|> (macro.gensym "loop")
+                   (:: @ map (|>> %code lang.normalize-name)))
+     initsO+ (monad.map @ translate initsS+)
+     bodyO (//.with-anchor [loop-name offset]
+             (translate bodyS))
+     #let [$loop-name (r.var loop-name)
+           @loop-name (@@ $loop-name)]
+     _ (//.save (r.set! $loop-name
+                        (r.function (|> (list.n/range +0 (n/dec (list.size initsS+)))
+                                        (list/map (|>> (n/+ offset) referenceT.variable)))
+                          (r.do! 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/new-luxc/source/luxc/lang/translation/r/primitive.jvm.lux b/new-luxc/source/luxc/lang/translation/r/primitive.jvm.lux
new file mode 100644
index 000000000..2afe41421
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/primitive.jvm.lux
@@ -0,0 +1,30 @@
+(.module:
+  lux
+  (lux [macro "meta/" Monad<Meta>])
+  (luxc (lang (host [r #+ Expression Statement])))
+  [//]
+  (// [".T" runtime]))
+
+(def: #export translate-bool
+  (-> Bool (Meta Expression))
+  (|>> r.bool meta/wrap))
+
+(def: #export translate-int
+  (-> Int (Meta Expression))
+  (|>> runtimeT.int meta/wrap))
+
+(def: #export translate-nat
+  (-> Nat (Meta Expression))
+  (|>> (:! Int) runtimeT.int meta/wrap))
+
+(def: #export translate-deg
+  (-> Deg (Meta Expression))
+  (|>> (:! Int) 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/new-luxc/source/luxc/lang/translation/r/procedure.jvm.lux b/new-luxc/source/luxc/lang/translation/r/procedure.jvm.lux
new file mode 100644
index 000000000..699c0c000
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/procedure.jvm.lux
@@ -0,0 +1,29 @@
+(.module:
+  lux
+  (lux (control [monad #+ do]
+                ["ex" exception #+ exception:])
+       (data [maybe]
+             text/format
+             (coll [dict])))
+  (luxc ["&" lang]
+        (lang ["ls" synthesis]
+              (host [python #+ Expression Statement])))
+  [//]
+  (/ ["/." common]
+     ["/." host]))
+
+(exception: #export (Unknown-Procedure {message Text})
+  message)
+
+(def: procedures
+  /common.Bundle
+  (|> /common.procedures
+      (dict.merge /host.procedures)))
+
+(def: #export (translate-procedure translate name args)
+  (-> (-> ls.Synthesis (Meta Expression)) Text (List ls.Synthesis)
+      (Meta Expression))
+  (<| (maybe.default (&.throw Unknown-Procedure (%t name)))
+      (do maybe.Monad<Maybe>
+        [proc (dict.get name procedures)]
+        (wrap (proc translate args)))))
diff --git a/new-luxc/source/luxc/lang/translation/r/procedure/common.jvm.lux b/new-luxc/source/luxc/lang/translation/r/procedure/common.jvm.lux
new file mode 100644
index 000000000..849093126
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/procedure/common.jvm.lux
@@ -0,0 +1,554 @@
+(.module:
+  lux
+  (lux (control [monad #+ do]
+                ["ex" exception #+ exception:]
+                ["p" parser])
+       (data ["e" error]
+             [text]
+             text/format
+             [number]
+             (coll [list "list/" Functor<List>]
+                   [dict #+ Dict]))
+       [macro #+ with-gensyms]
+       (macro [code]
+              ["s" syntax #+ syntax:])
+       [host])
+  (luxc ["&" lang]
+        (lang ["la" analysis]
+              ["ls" synthesis]
+              (host [r #+ Expression Statement])))
+  [///]
+  (/// [".T" runtime]
+       [".T" case]
+       [".T" function]
+       [".T" loop]))
+
+## [Types]
+(type: #export Translator
+  (-> ls.Synthesis (Meta Expression)))
+
+(type: #export Proc
+  (-> Translator (List ls.Synthesis) (Meta Expression)))
+
+(type: #export Bundle
+  (Dict Text Proc))
+
+(syntax: (Vector [size s.nat] elemT)
+  (wrap (list (` [(~+ (list.repeat size elemT))]))))
+
+(type: #export Nullary (-> (Vector +0 Expression) Expression))
+(type: #export Unary   (-> (Vector +1 Expression) Expression))
+(type: #export Binary  (-> (Vector +2 Expression) Expression))
+(type: #export Trinary (-> (Vector +3 Expression) Expression))
+(type: #export Variadic (-> (List Expression) Expression))
+
+## [Utils]
+(def: #export (install name unnamed)
+  (-> Text (-> Text Proc)
+      (-> Bundle Bundle))
+  (dict.put name (unnamed name)))
+
+(def: #export (prefix prefix bundle)
+  (-> Text Bundle Bundle)
+  (|> bundle
+      dict.entries
+      (list/map (function (_ [key val]) [(format prefix " " key) val]))
+      (dict.from-list text.Hash<Text>)))
+
+(def: (wrong-arity proc expected actual)
+  (-> Text Nat Nat Text)
+  (format "Wrong number of arguments for " (%t proc) "\n"
+          "Expected: " (|> expected nat-to-int %i) "\n"
+          "  Actual: " (|> actual nat-to-int %i)))
+
+(syntax: (arity: [name s.local-symbol] [arity s.nat])
+  (with-gensyms [g!_ g!proc g!name g!translate g!inputs]
+    (do @
+      [g!input+ (monad.seq @ (list.repeat arity (macro.gensym "input")))]
+      (wrap (list (` (def: #export ((~ (code.local-symbol name)) (~ g!proc))
+                       (-> (-> (..Vector (~ (code.nat arity)) Expression) Expression)
+                           (-> Text ..Proc))
+                       (function ((~ g!_) (~ g!name))
+                         (function ((~ g!_) (~ g!translate) (~ g!inputs))
+                           (case (~ g!inputs)
+                             (^ (list (~+ g!input+)))
+                             (do macro.Monad<Meta>
+                               [(~+ (|> g!input+
+                                        (list/map (function (_ g!input)
+                                                    (list g!input (` ((~ g!translate) (~ g!input))))))
+                                        list.concat))]
+                               ((~' wrap) ((~ g!proc) [(~+ g!input+)])))
+
+                             (~' _)
+                             (macro.fail (wrong-arity (~ g!name) +1 (list.size (~ g!inputs))))))))))))))
+
+(arity: nullary +0)
+(arity: unary +1)
+(arity: binary +2)
+(arity: trinary +3)
+
+(def: #export (variadic proc)
+  (-> Variadic (-> Text Proc))
+  (function (_ proc-name)
+    (function (_ translate inputsS)
+      (do macro.Monad<Meta>
+        [inputsI (monad.map @ translate inputsS)]
+        (wrap (proc inputsI))))))
+
+## [Procedures]
+## [[Lux]]
+(def: (lux//is [leftO rightO])
+  Binary
+  (r.apply (list leftO rightO)
+           (r.global "identical")))
+
+(def: (lux//if [testO thenO elseO])
+  Trinary
+  (caseT.translate-if testO thenO elseO))
+
+(def: (lux//try riskyO)
+  Unary
+  (runtimeT.lux//try riskyO))
+
+(def: (lux//noop valueO)
+  Unary
+  valueO)
+
+(exception: #export (Wrong-Syntax {message Text})
+  message)
+
+(def: #export (wrong-syntax procedure args)
+  (-> Text (List ls.Synthesis) Text)
+  (format "Procedure: " procedure "\n"
+          "Arguments: " (%code (code.tuple args))))
+
+(def: lux//loop
+  (-> Text Proc)
+  (function (_ proc-name)
+    (function (_ translate inputsS)
+      (case (s.run inputsS ($_ p.seq s.nat (s.tuple (p.many s.any)) s.any))
+        (#e.Success [offset initsS+ bodyS])
+        (loopT.translate-loop translate offset initsS+ bodyS)
+
+        (#e.Error error)
+        (&.throw Wrong-Syntax (wrong-syntax proc-name inputsS)))
+      )))
+
+(def: lux//recur
+  (-> Text Proc)
+  (function (_ proc-name)
+    (function (_ translate inputsS)
+      (loopT.translate-recur translate inputsS))))
+
+(def: lux-procs
+  Bundle
+  (|> (dict.new text.Hash<Text>)
+      (install "noop" (unary lux//noop))
+      (install "is" (binary lux//is))
+      (install "try" (unary lux//try))
+      (install "if" (trinary lux//if))
+      (install "loop" lux//loop)
+      (install "recur" lux//recur)
+      ))
+
+## [[Bits]]
+(do-template [<name> <op>]
+  [(def: (<name> [subjectO paramO])
+     Binary
+     (<op> paramO subjectO))]
+  
+  [bit//and runtimeT.bit//and]
+  [bit//or  runtimeT.bit//or]
+  [bit//xor runtimeT.bit//xor]
+  )
+
+(do-template [<name> <op>]
+  [(def: (<name> [subjectO paramO])
+     Binary
+     (<op> paramO subjectO))]
+
+  [bit//shift-left         runtimeT.bit//shift-left]
+  [bit//signed-shift-right runtimeT.bit//signed-shift-right]
+  [bit//shift-right        runtimeT.bit//shift-right]
+  )
+
+(def: bit-procs
+  Bundle
+  (<| (prefix "bit")
+      (|> (dict.new text.Hash<Text>)
+          (install "count" (unary runtimeT.bit//count))
+          (install "and" (binary bit//and))
+          (install "or" (binary bit//or))
+          (install "xor" (binary bit//xor))
+          (install "shift-left" (binary bit//shift-left))
+          (install "unsigned-shift-right" (binary bit//shift-right))
+          (install "shift-right" (binary bit//signed-shift-right))
+          )))
+
+## [[Arrays]]
+(def: (array//get [arrayO idxO])
+  Binary
+  (runtimeT.array//get arrayO idxO))
+
+(def: (array//put [arrayO idxO elemO])
+  Trinary
+  (runtimeT.array//put arrayO idxO elemO))
+
+(def: (array//remove [arrayO idxO])
+  Binary
+  (runtimeT.array//put arrayO idxO r.null))
+
+(def: array-procs
+  Bundle
+  (<| (prefix "array")
+      (|> (dict.new text.Hash<Text>)
+          (install "new" (unary runtimeT.array//new))
+          (install "get" (binary array//get))
+          (install "put" (trinary array//put))
+          (install "remove" (binary array//remove))
+          (install "size" (unary r.length))
+          )))
+
+## [[Numbers]]
+(host.import java/lang/Double
+  (#static MIN_VALUE Double)
+  (#static MAX_VALUE Double))
+
+(do-template [<name> <const> <encode>]
+  [(def: (<name> _)
+     Nullary
+     (<encode> <const>))]
+
+  [frac//smallest Double::MIN_VALUE            r.float]
+  [frac//min      (f/* -1.0 Double::MAX_VALUE) r.float]
+  [frac//max      Double::MAX_VALUE            r.float]
+  )
+
+(do-template [<name> <expression>]
+  [(def: (<name> _)
+     Nullary
+     <expression>)]
+
+  [nat//min runtimeT.int//zero]
+  [nat//max runtimeT.int//-one]
+
+  [int//min runtimeT.int//min]
+  [int//max runtimeT.int//max]
+
+  [deg//min runtimeT.int//zero]
+  [deg//max runtimeT.int//-one]
+  )
+
+(do-template [<name> <frac>]
+  [(def: (<name> _)
+     Nullary
+     (r.float <frac>))]
+
+  [frac//not-a-number      number.not-a-number]
+  [frac//positive-infinity number.positive-infinity]
+  [frac//negative-infinity number.negative-infinity]
+  )
+
+(do-template [<name> <op>]
+  [(def: (<name> [subjectO paramO])
+     Binary
+     (|> subjectO (<op> paramO)))]
+
+  [int//add        runtimeT.int//+]
+  [int//sub        runtimeT.int//-]
+  [int//mul        runtimeT.int//*]
+  [int//div        runtimeT.int///]
+  [int//rem        runtimeT.int//%]
+
+  [nat//add        runtimeT.int//+]
+  [nat//sub        runtimeT.int//-]
+  [nat//mul        runtimeT.int//*]
+  [nat//div        runtimeT.nat///]
+  [nat//rem        runtimeT.nat//%]
+
+  [deg//add        runtimeT.int//+]
+  [deg//sub        runtimeT.int//-]
+  [deg//rem        runtimeT.int//-]
+  [deg//scale      runtimeT.int//*]
+  [deg//mul        runtimeT.deg//*]
+  [deg//div        runtimeT.deg///]
+  [deg//reciprocal runtimeT.int///]
+  )
+
+(do-template [<name> <op>]
+  [(def: (<name> [subjectO paramO])
+     Binary
+     (<op> paramO subjectO))]
+
+  [frac//add r.+]
+  [frac//sub r.-]
+  [frac//mul r.*]
+  [frac//div r./]
+  [frac//rem r.%%]
+  [frac//=   r.=]
+  [frac//<   r.<]
+
+  [text//=   r.=]
+  [text//<   r.<]
+  )
+
+(do-template [<name> <cmp>]
+  [(def: (<name> [subjectO paramO])
+     Binary
+     (<cmp> paramO subjectO))]
+
+  [nat//= runtimeT.int//=]
+  [nat//< runtimeT.nat//<]
+
+  [int//= runtimeT.int//=]
+  [int//< runtimeT.int//<]
+
+  [deg//= runtimeT.int//=]
+  [deg//< runtimeT.nat//<]
+  )
+
+(def: (apply1 func)
+  (-> Expression (-> Expression Expression))
+  (function (_ value)
+    (r.apply (list value) func)))
+
+(def: nat-procs
+  Bundle
+  (<| (prefix "nat")
+      (|> (dict.new text.Hash<Text>)
+          (install "+" (binary nat//add))
+          (install "-" (binary nat//sub))
+          (install "*" (binary nat//mul))
+          (install "/" (binary nat//div))
+          (install "%" (binary nat//rem))
+          (install "=" (binary nat//=))
+          (install "<" (binary nat//<))
+          (install "min" (nullary nat//min))
+          (install "max" (nullary nat//max))
+          (install "to-int" (unary id))
+          (install "char" (unary (apply1 (r.global "intToUtf8")))))))
+
+(def: int-procs
+  Bundle
+  (<| (prefix "int")
+      (|> (dict.new text.Hash<Text>)
+          (install "+" (binary int//add))
+          (install "-" (binary int//sub))
+          (install "*" (binary int//mul))
+          (install "/" (binary int//div))
+          (install "%" (binary int//rem))
+          (install "=" (binary int//=))
+          (install "<" (binary int//<))
+          (install "min" (nullary int//min))
+          (install "max" (nullary int//max))
+          (install "to-nat" (unary id))
+          (install "to-frac" (unary runtimeT.int//to-float)))))
+
+(def: deg-procs
+  Bundle
+  (<| (prefix "deg")
+      (|> (dict.new text.Hash<Text>)
+          (install "+" (binary deg//add))
+          (install "-" (binary deg//sub))
+          (install "*" (binary deg//mul))
+          (install "/" (binary deg//div))
+          (install "%" (binary deg//rem))
+          (install "=" (binary deg//=))
+          (install "<" (binary deg//<))
+          (install "scale" (binary deg//scale))
+          (install "reciprocal" (binary deg//reciprocal))
+          (install "min" (nullary deg//min))
+          (install "max" (nullary deg//max))
+          (install "to-frac" (unary runtimeT.deg//to-frac)))))
+
+(def: (frac//encode value)
+  (-> Expression Expression)
+  (r.apply (list (r.string "%f") value) (r.global "sprintf")))
+
+(def: frac-procs
+  Bundle
+  (<| (prefix "frac")
+      (|> (dict.new text.Hash<Text>)
+          (install "+" (binary frac//add))
+          (install "-" (binary frac//sub))
+          (install "*" (binary frac//mul))
+          (install "/" (binary frac//div))
+          (install "%" (binary frac//rem))
+          (install "=" (binary frac//=))
+          (install "<" (binary frac//<))
+          (install "smallest" (nullary frac//smallest))
+          (install "min" (nullary frac//min))
+          (install "max" (nullary frac//max))
+          (install "not-a-number" (nullary frac//not-a-number))
+          (install "positive-infinity" (nullary frac//positive-infinity))
+          (install "negative-infinity" (nullary frac//negative-infinity))
+          (install "to-deg" (unary runtimeT.deg//from-frac))
+          (install "to-int" (unary (apply1 (r.global "as.integer"))))
+          (install "encode" (unary frac//encode))
+          (install "decode" (unary runtimeT.frac//decode)))))
+
+## [[Text]]
+(def: (text//concat [subjectO paramO])
+  Binary
+  (r.apply (list subjectO paramO) (r.global "paste0")))
+
+(def: (text//char [subjectO paramO])
+  Binary
+  (runtimeT.text//char subjectO paramO))
+
+(def: (text//replace-all [textO patternO replacementO])
+  Trinary
+  (r.apply (list patternO replacementO textO) (r.global "gsub")))
+
+(def: (text//replace-once [textO patternO replacementO])
+  Trinary
+  (r.apply (list patternO replacementO textO) (r.global "sub")))
+
+(def: (text//clip [subjectO paramO extraO])
+  Trinary
+  (runtimeT.text//clip subjectO paramO extraO))
+
+(def: (text//index [textO partO startO])
+  Trinary
+  (runtimeT.text//index textO partO startO))
+
+(def: text-procs
+  Bundle
+  (<| (prefix "text")
+      (|> (dict.new text.Hash<Text>)
+          (install "=" (binary text//=))
+          (install "<" (binary text//<))
+          (install "concat" (binary text//concat))
+          (install "index" (trinary text//index))
+          (install "size" (unary (|>> (apply1 (r.global "nchar")) runtimeT.int//from-float)))
+          (install "hash" (unary runtimeT.text//hash))
+          (install "replace-once" (trinary text//replace-once))
+          (install "replace-all" (trinary text//replace-all))
+          (install "char" (binary text//char))
+          (install "clip" (trinary text//clip))
+          (install "upper" (unary (apply1 (r.global "toupper"))))
+          (install "lower" (unary (apply1 (r.global "tolower"))))
+          )))
+
+## [[Math]]
+(def: (math//pow [subject param])
+  Binary
+  (|> subject (r.** param)))
+
+(def: (math-func name)
+  (-> Text (-> Expression Expression))
+  (function (_ input)
+    (r.apply (list input) (r.global name))))
+
+(def: math-procs
+  Bundle
+  (<| (prefix "math")
+      (|> (dict.new text.Hash<Text>)
+          (install "cos" (unary (math-func "cos")))
+          (install "sin" (unary (math-func "sin")))
+          (install "tan" (unary (math-func "tan")))
+          (install "acos" (unary (math-func "acos")))
+          (install "asin" (unary (math-func "asin")))
+          (install "atan" (unary (math-func "atan")))
+          (install "exp" (unary (math-func "exp")))
+          (install "log" (unary (math-func "log")))
+          (install "ceil" (unary (math-func "ceiling")))
+          (install "floor" (unary (math-func "floor")))
+          (install "pow" (binary math//pow))
+          )))
+
+## [[IO]]
+(def: (io//exit input)
+  (-> Expression Expression)
+  (r.apply-kw (list)
+              (list ["status" (runtimeT.int//to-float input)])
+              (r.global "quit")))
+
+(def: io-procs
+  Bundle
+  (<| (prefix "io")
+      (|> (dict.new text.Hash<Text>)
+          (install "log" (unary (apply1 (r.global "print"))))
+          (install "error" (unary (apply1 (r.global "stop"))))
+          (install "exit" (unary io//exit))
+          (install "current-time" (nullary (function (_ _)
+                                             (runtimeT.io//current-time! runtimeT.unit)))))))
+
+## [[Atoms]]
+(def: atom//new
+  Unary
+  (|>> [runtimeT.atom//field] (list) r.named-list))
+
+(def: atom//read
+  Unary
+  (r.nth (r.string runtimeT.atom//field)))
+
+(def: (atom//compare-and-swap [atomO oldO newO])
+  Trinary
+  (runtimeT.atom//compare-and-swap atomO oldO newO))
+
+(def: atom-procs
+  Bundle
+  (<| (prefix "atom")
+      (|> (dict.new text.Hash<Text>)
+          (install "new" (unary atom//new))
+          (install "read" (unary atom//read))
+          (install "compare-and-swap" (trinary atom//compare-and-swap)))))
+
+## [[Box]]
+(def: box//new
+  Unary
+  (|>> (list) r.list))
+
+(def: box//read
+  Unary
+  (r.nth (r.int 1)))
+
+(def: (box//write [valueO boxO])
+  Binary
+  (runtimeT.box//write valueO boxO))
+
+(def: box-procs
+  Bundle
+  (<| (prefix "box")
+      (|> (dict.new text.Hash<Text>)
+          (install "new" (unary box//new))
+          (install "read" (unary box//read))
+          (install "write" (binary box//write)))))
+
+## [[Processes]]
+(def: (process//concurrency-level [])
+  Nullary
+  (r.int 1))
+
+(def: (process//schedule [milli-secondsO procedureO])
+  Binary
+  (runtimeT.process//schedule milli-secondsO procedureO))
+
+(def: process-procs
+  Bundle
+  (<| (prefix "process")
+      (|> (dict.new text.Hash<Text>)
+          (install "concurrency-level" (nullary process//concurrency-level))
+          (install "future" (unary runtimeT.process//future))
+          (install "schedule" (binary process//schedule))
+          )))
+
+## [Bundles]
+(def: #export procedures
+  Bundle
+  (<| (prefix "lux")
+      (|> lux-procs
+          (dict.merge bit-procs)
+          (dict.merge nat-procs)
+          (dict.merge int-procs)
+          (dict.merge deg-procs)
+          (dict.merge frac-procs)
+          (dict.merge text-procs)
+          (dict.merge array-procs)
+          (dict.merge math-procs)
+          (dict.merge io-procs)
+          (dict.merge atom-procs)
+          (dict.merge box-procs)
+          (dict.merge process-procs)
+          )))
diff --git a/new-luxc/source/luxc/lang/translation/r/procedure/host.jvm.lux b/new-luxc/source/luxc/lang/translation/r/procedure/host.jvm.lux
new file mode 100644
index 000000000..c1b43da2f
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/procedure/host.jvm.lux
@@ -0,0 +1,89 @@
+(.module:
+  lux
+  (lux (control [monad #+ do])
+       (data [text]
+             text/format
+             (coll [list "list/" Functor<List>]
+                   [dict #+ Dict]))
+       [macro "macro/" Monad<Meta>])
+  (luxc ["&" lang]
+        (lang ["la" analysis]
+              ["ls" synthesis]
+              (host [ruby #+ Ruby Expression Statement])))
+  [///]
+  (/// [".T" runtime])
+  (// ["@" common]))
+
+## (do-template [<name> <lua>]
+##   [(def: (<name> _) @.Nullary <lua>)]
+
+##   [lua//nil      "nil"]
+##   [lua//table    "{}"]
+##   )
+
+## (def: (lua//global proc translate inputs)
+##   (-> Text @.Proc)
+##   (case inputs
+##     (^ (list [_ (#.Text name)]))
+##     (do macro.Monad<Meta>
+##       []
+##       (wrap name))
+
+##     _
+##     (&.throw @.Wrong-Syntax (@.wrong-syntax proc inputs))))
+
+## (def: (lua//call proc translate inputs)
+##   (-> Text @.Proc)
+##   (case inputs
+##     (^ (list& functionS argsS+))
+##     (do macro.Monad<Meta>
+##       [functionO (translate functionS)
+##        argsO+ (monad.map @ translate argsS+)]
+##       (wrap (lua.apply functionO argsO+)))
+
+##     _
+##     (&.throw @.Wrong-Syntax (@.wrong-syntax proc inputs))))
+
+## (def: lua-procs
+##   @.Bundle
+##   (|> (dict.new text.Hash<Text>)
+##       (@.install "nil" (@.nullary lua//nil))
+##       (@.install "table" (@.nullary lua//table))
+##       (@.install "global" lua//global)
+##       (@.install "call" lua//call)))
+
+## (def: (table//call proc translate inputs)
+##   (-> Text @.Proc)
+##   (case inputs
+##     (^ (list& tableS [_ (#.Text field)] argsS+))
+##     (do macro.Monad<Meta>
+##       [tableO (translate tableS)
+##        argsO+ (monad.map @ translate argsS+)]
+##       (wrap (lua.method field tableO argsO+)))
+
+##     _
+##     (&.throw @.Wrong-Syntax (@.wrong-syntax proc inputs))))
+
+## (def: (table//get [fieldO tableO])
+##   @.Binary
+##   (runtimeT.lua//get tableO fieldO))
+
+## (def: (table//set [fieldO valueO tableO])
+##   @.Trinary
+##   (runtimeT.lua//set tableO fieldO valueO))
+
+## (def: table-procs
+##   @.Bundle
+##   (<| (@.prefix "table")
+##       (|> (dict.new text.Hash<Text>)
+##           (@.install "call" table//call)
+##           (@.install "get" (@.binary table//get))
+##           (@.install "set" (@.trinary table//set)))))
+
+(def: #export procedures
+  @.Bundle
+  (<| (@.prefix "lua")
+      (dict.new text.Hash<Text>)
+      ## (|> lua-procs
+      ##     (dict.merge table-procs))
+      ))
diff --git a/new-luxc/source/luxc/lang/translation/r/reference.jvm.lux b/new-luxc/source/luxc/lang/translation/r/reference.jvm.lux
new file mode 100644
index 000000000..0a1bcae1f
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/reference.jvm.lux
@@ -0,0 +1,42 @@
+(.module:
+  lux
+  (lux [macro]
+       (data [text]
+             text/format))
+  (luxc ["&" lang]
+        (lang [".L" variable #+ Variable Register]
+              (host [r #+ Expression Statement SVar @@])))
+  [//]
+  (// [".T" runtime]))
+
+(do-template [<register> <translation> <prefix>]
+  [(def: #export (<register> register)
+     (-> Register SVar)
+     (r.var (format <prefix> (%i (nat-to-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 (int-to-nat var))))
+
+(def: #export (translate-variable var)
+  (-> Variable (Meta Expression))
+  (if (variableL.captured? var)
+    (translate-captured (variableL.captured-register var))
+    (translate-local (int-to-nat var))))
+
+(def: #export global
+  (-> Ident SVar)
+  (|>> //.definition-name r.var))
+
+(def: #export (translate-definition name)
+  (-> Ident (Meta Expression))
+  (:: macro.Monad<Meta> wrap (@@ (global name))))
diff --git a/new-luxc/source/luxc/lang/translation/r/runtime.jvm.lux b/new-luxc/source/luxc/lang/translation/r/runtime.jvm.lux
new file mode 100644
index 000000000..9b6d0c862
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/runtime.jvm.lux
@@ -0,0 +1,1023 @@
+(.module:
+  lux
+  (lux (control ["p" parser "p/" Monad<Parser>]
+                [monad #+ do])
+       (data [bit]
+             [number #+ hex]
+             text/format
+             (coll [list "list/" Monad<List>]))
+       [macro]
+       (macro [code]
+              ["s" syntax #+ syntax:])
+       [io #+ Process])
+  [//]
+  (luxc [lang]
+        (lang (host [r #+ SVar Expression Statement @@]))))
+
+(def: prefix Text "LuxRuntime")
+
+(def: #export unit Expression (r.string //.unit))
+
+(def: high (|>> int-to-nat (bit.shift-right +32) nat-to-int))
+(def: low (|>> int-to-nat (bit.and (hex "+FFFFFFFF")) nat-to-int))
+
+(def: #export (int value)
+  (-> Int Expression)
+  (r.named-list (list [//.int-high-field (r.int (high value))]
+                      [//.int-low-field (r.int (low value))])))
+
+(def: (flag value)
+  (-> Bool 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 Bool Expression Expression)
+  (variant' (r.int (nat-to-int tag))
+            (flag last?)
+            value))
+
+(def: #export none
+  Expression
+  (variant +0 false unit))
+
+(def: #export some
+  (-> Expression Expression)
+  (variant +1 true))
+
+(def: #export left
+  (-> Expression Expression)
+  (variant +0 false))
+
+(def: #export right
+  (-> Expression Expression)
+  (variant +1 true))
+
+(type: Runtime Statement)
+
+(def: declaration
+  (s.Syntax [Text (List Text)])
+  (p.either (p.seq s.local-symbol (p/wrap (list)))
+            (s.form (p.seq s.local-symbol (p.some s.local-symbol)))))
+
+(syntax: (runtime: [[name args] declaration]
+           definition)
+  (let [implementation (code.local-symbol (format "@@" name))
+        runtime (format prefix "__" (lang.normalize-name name))
+        $runtime (` (r.var (~ (code.text runtime))))
+        @runtime (` (@@ (~ $runtime)))
+        argsC+ (list/map code.local-symbol args)
+        argsLC+ (list/map (|>> lang.normalize-name code.text (~) (r.var) (`))
+                          args)
+        declaration (` ((~ (code.local-symbol name))
+                        (~+ argsC+)))
+        type (` (-> (~+ (list.repeat (list.size argsC+) (` r.Expression)))
+                    r.Expression))]
+    (wrap (list (` (def: (~' #export) (~ declaration)
+                     (~ type)
+                     (r.apply (list (~+ argsC+)) (~ @runtime))))
+                (` (def: (~ implementation)
+                     r.Statement
+                     (~ (case argsC+
+                          #.Nil
+                          (` (r.set! (~ $runtime) (~ definition)))
+
+                          _
+                          (` (let [(~+ (|> (list.zip2 argsC+ argsLC+)
+                                           (list/map (function (_ [left right])
+                                                       (list left right)))
+                                           list/join))]
+                               (r.set! (~ $runtime)
+                                       (r.function (list (~+ argsLC+))
+                                         (~ definition)))))))))))))
+
+(syntax: #export (with-vars [vars (s.tuple (p.many s.local-symbol))]
+                   body)
+  (wrap (list (` (let [(~+ (|> vars
+                               (list/map (function (_ var)
+                                           (list (code.local-symbol var)
+                                                 (` (r.var (~ (code.text (format "LRV__" (lang.normalize-name var)))))))))
+                               list/join))]
+                   (~ body))))))
+
+(def: high-shift (r.bit-shl (r.int 32)))
+
+(def: f2^32 (|> (r.int 1) high-shift))
+(def: f2^63 (|> (r.int 1) (r.bit-shl (r.int 63))))
+
+(def: (as-integer value)
+  (-> Expression Expression)
+  (r.apply (list value) (r.global "as.integer")))
+
+(runtime: (int//unsigned-low input)
+  (with-vars [low]
+    ($_ r.then!
+        (r.set! low (|> (@@ input) (r.nth (r.string //.int-low-field))))
+        (r.do!
+         (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)]
+    (r.do! (|> high (r.+ low)))))
+
+(runtime: (int//new high low)
+  (r.do!
+   (r.named-list (list [//.int-high-field (as-integer (@@ high))]
+                       [//.int-low-field (as-integer (@@ low))]))))
+
+(do-template [<name> <high> <low>]
+  [(runtime: <name>
+     (int//new (r.int <high>) (r.int <low>)))]
+
+  [int//zero 0 0]
+  [int//one 0 1]
+  [int//min (hex "80000000") 0]
+  [int//max (hex "7FFFFFFF") (hex "FFFFFFFF")]
+  )
+
+(def: int64-high (r.nth (r.string //.int-high-field)))
+(def: int64-low (r.nth (r.string //.int-low-field)))
+
+(runtime: (bit//not input)
+  (r.do! (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)))
+              (r.do! (int//new (new-half (@@ x48) (@@ x32))
+                               (new-half (@@ x16) (@@ x00)))))))))
+
+(runtime: (int//= reference sample)
+  (let [comparison (: (-> (-> Expression Expression) Expression)
+                      (function (_ field)
+                        (|> (field (@@ sample)) (r.= (field (@@ reference))))))]
+    (r.do! (|> (comparison int64-high)
+               (r.and (comparison int64-low))))))
+
+(runtime: (int//negate input)
+  (r.do!
+   (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)
+  (r.do! (int//+ (int//negate (@@ param)) (@@ subject))))
+
+(runtime: (int//< reference sample)
+  (with-vars [r-? s-?]
+    ($_ r.then!
+        (r.set! s-? (|> (@@ sample) int64-high (r.< (r.int 0))))
+        (r.set! r-? (|> (@@ reference) int64-high (r.< (r.int 0))))
+        (r.do! (|> (|> (@@ s-?) (r.and (r.not (@@ r-?))))
+                   (r.or (|> (r.not (@@ s-?)) (r.and (@@ r-?)) r.not))
+                   (r.or (|> (@@ sample)
+                             (int//- (@@ reference))
+                             int64-high
+                             (r.< (r.int 0)))))))))
+
+(runtime: (int//from-float input)
+  (r.do!
+   (r.cond (list [(r.apply (list (@@ input)) (r.global "is.nan"))
+                  int//zero]
+                 [(|> (@@ input) (r.<= (r.negate f2^63)))
+                  int//min]
+                 [(|> (@@ input) (r.+ (r.float 1.0)) (r.>= f2^63))
+                  int//max]
+                 [(|> (@@ input) (r.< (r.float 0.0)))
+                  (|> (@@ input) r.negate int//from-float int//negate)])
+           (int//new (|> (@@ input) (r./ f2^32))
+                     (|> (@@ input) (r.%% f2^32))))))
+
+(runtime: (int//* param subject)
+  (with-vars [sH sL pH pL
+              x00 x16 x32 x48]
+    ($_ 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?
+                                 (r.do! (int//* (int//negate (@@ param))
+                                                (int//negate (@@ subject))))
+                                 (r.do! (int//negate (int//* (@@ param)
+                                                             (int//negate (@@ subject))))))]
+
+                         [negative-param?
+                          (r.do! (int//negate (int//* (int//negate (@@ param))
+                                                      (@@ subject))))])
+                   ($_ r.then!
+                       (r.set! sL (|> (@@ subject) int64-low))
+                       (r.set! pL (|> (@@ param) int64-low))
+                       (let [bits16 (r.code "0xFFFF")
+                             move-top-16 (r.bit-shl (r.int 16))
+                             top-16 (r.bit-ushr (r.int 16))
+                             bottom-16 (r.bit-and bits16)
+                             split-16 (function (_ source)
+                                        [(|> source top-16)
+                                         (|> source bottom-16)])
+                             split-int (function (_ high low)
+                                         [(split-16 high)
+                                          (split-16 low)])
+                             new-half (function (_ top bottom)
+                                        (|> top bottom-16 move-top-16
+                                            (r.bit-or (bottom-16 bottom))))
+                             
+                             [[_s48 _s32] [_s16 _s00]] (split-int (@@ sH) (@@ sL))
+                             [[_p48 _p32] [_p16 _p00]] (split-int (@@ pH) (@@ pL))
+                             x16-top (|> (@@ x16) top-16)
+                             x32-top (|> (@@ x32) top-16)]
+                         (with-vars [s48 s32 s16 s00
+                                     p48 p32 p16 p00]
+                           ($_ r.then!
+                               (r.set! s48 _s48) (r.set! s32 _s32) (r.set! s16 _s16) (r.set! s00 _s00)
+                               (r.set! p48 _p48) (r.set! p32 _p32) (r.set! p16 _p16) (r.set! p00 _p00)
+                               (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))))))
+                               (r.do! (int//new (new-half (@@ x48) (@@ x32))
+                                                (new-half (@@ x16) (@@ x00))))))
+                         )))))))
+
+(def: (limit-shift! shift)
+  (-> SVar Statement)
+  (r.set! shift (|> (@@ shift) (r.bit-and (r.int 63)))))
+
+(def: (no-shift-clause shift input)
+  (-> SVar SVar [Expression Statement])
+  [(|> (@@ shift) (r.= (r.int 0)))
+   (r.do! (@@ input))])
+
+(runtime: (bit//shift-left shift input)
+  ($_ r.then!
+      (limit-shift! shift)
+      (r.cond! (list (no-shift-clause shift input)
+                     [(|> (@@ shift) (r.< (r.int 32)))
+                      (let [mid (|> (int64-low (@@ input)) (r.bit-ushr (|> (r.int 32) (r.- (@@ shift)))))
+                            high (|> (int64-high (@@ input))
+                                     (r.bit-shl (@@ shift))
+                                     (r.bit-or mid))
+                            low (|> (int64-low (@@ input))
+                                    (r.bit-shl (@@ shift)))]
+                        (r.do! (int//new high low)))])
+               (let [high (|> (int64-high (@@ input))
+                              (r.bit-shl (|> (@@ shift) (r.- (r.int 32)))))]
+                 (r.do! (int//new high (r.int 0)))))))
+
+(runtime: (bit//signed-shift-right-32 shift input)
+  (let [top-bit (|> (@@ input) (r.bit-and (r.int (hex "80000000"))))]
+    (r.do! (|> (@@ input)
+               (r.bit-ushr (@@ shift))
+               (r.bit-or top-bit)))))
+
+(runtime: (bit//signed-shift-right shift input)
+  ($_ 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//signed-shift-right-32 (@@ shift)))
+                            low (|> (int64-low (@@ input))
+                                    (r.bit-ushr (@@ shift))
+                                    (r.bit-or mid))]
+                        (r.do! (int//new high low)))])
+               (let [low (|> (int64-high (@@ input))
+                             (bit//signed-shift-right-32 (|> (@@ shift) (r.- (r.int 32)))))
+                     high (r.if (|> (int64-high (@@ input)) (r.>= (r.int 0)))
+                            (r.int 0)
+                            (r.int -1))]
+                 (r.do! (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))
+                             (r.do! 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))))
+                                    (r.do! int//min)]
+                                   [(|> (@@ param) (int//= int//min))
+                                    (r.do! int//one)])
+                             (with-vars [approximation]
+                               ($_ r.then!
+                                   (r.set! approximation
+                                           (|> (@@ subject)
+                                               (bit//signed-shift-right (r.int 1))
+                                               (int/// (@@ param))
+                                               (bit//shift-left (r.int 1))))
+                                   (r.if! (|> (@@ approximation) (int//= int//zero))
+                                          (r.do! (r.if (negative? (@@ param))
+                                                   int//one
+                                                   int//-one))
+                                          (let [remainder (int//- (int//* (@@ param) (@@ approximation))
+                                                                  (@@ subject))]
+                                            (r.do! (|> remainder
+                                                       (int/// (@@ param))
+                                                       (int//+ (@@ approximation)))))))))]
+                   [(|> (@@ param) (int//= int//min))
+                    (r.do! int//zero)]
+
+                   [(negative? (@@ subject))
+                    (r.do! (r.if (negative? (@@ param))
+                             (|> (int//negate (@@ subject))
+                                 (int/// (int//negate (@@ param))))
+                             (|> (int//negate (@@ subject))
+                                 (int/// (@@ param))
+                                 int//negate)))]
+
+                   [(negative? (@@ param))
+                    (r.do! (|> (@@ param)
+                               int//negate
+                               (int/// (@@ subject))
+                               int//negate))])
+             (with-vars [result remainder approximate approximate-result log2 approximate-remainder]
+               ($_ 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)))))))
+                   (r.do! (@@ result))))
+             )))
+
+(runtime: (int//% param subject)
+  (let [flat (|> (@@ subject) (int/// (@@ param)) (int//* (@@ param)))]
+    (r.do! (|> (@@ subject) (int//- flat)))))
+
+(def: runtime//int
+  Runtime
+  ($_ r.then!
+      @@int//unsigned-low
+      @@int//to-float
+      @@int//new
+      @@int//zero
+      @@int//one
+      @@int//min
+      @@int//max
+      @@int//=
+      @@int//<
+      @@int//+
+      @@int//-
+      @@int//*
+      @@int///
+      @@int//%
+      @@int//negate
+      @@int//from-float))
+
+(runtime: (lux//try op)
+  (with-vars [error value]
+    (r.do! (r.try ($_ r.then!
+                      (r.set! value (r.apply (list ..unit) (@@ op)))
+                      (r.do! (..right (@@ value))))
+                  #.None
+                  (#.Some (r.function (list error)
+                            (r.do! (..left (@@ error)))))
+                  #.None))))
+
+(runtime: (lux//program-args program-args)
+  (with-vars [inputs value]
+    ($_ r.then!
+        (r.set! inputs ..none)
+        (<| (r.for-in! value (@@ program-args))
+            (r.set! inputs (..some (r.list (list (@@ value) (@@ inputs))))))
+        (r.do! (@@ inputs)))))
+
+(def: runtime//lux
+  Runtime
+  ($_ 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! _)
+  (r.do! (|> 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.do! (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.do! (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 (@@ $index_min_length) (@@ product)))])
+                       ## Must slice
+                       (|> (@@ product) (r.slice-from (@@ index))))))))
+
+(runtime: (sum//get sum wanted_tag wants_last)
+  (let [no-match r.null
+        sum-tag (|> (@@ sum) (r.nth (r.string //.variant-tag-field)))
+        sum-flag (|> (@@ sum) (r.nth (r.string //.variant-flag-field)))
+        sum-value (|> (@@ sum) (r.nth (r.string //.variant-value-field)))
+        is-last? (|> sum-flag (r.= (r.string "")))
+        test-recursion (r.if is-last?
+                         ## Must recurse.
+                         (sum//get sum-value
+                                   (|> (@@ wanted_tag) (r.- sum-tag))
+                                   (@@ wants_last))
+                         no-match)]
+    (r.do! (r.cond (list [(r.= sum-tag (@@ wanted_tag))
+                          (r.if (r.= (@@ wants_last) sum-flag)
+                            sum-value
+                            test-recursion)]
+
+                         [(|> (@@ wanted_tag) (r.> sum-tag))
+                          test-recursion]
+
+                         [(|> (|> (@@ wants_last) (r.= (r.string "")))
+                              (r.and (|> (@@ wanted_tag) (r.< sum-tag))))
+                          (variant' (|> sum-tag (r.- (@@ wanted_tag))) sum-flag sum-value)])
+
+                   no-match))))
+
+(def: runtime//adt
+  Runtime
+  ($_ r.then!
+      @@product//left
+      @@product//right
+      @@sum//get
+      ))
+
+(do-template [<name> <op>]
+  [(runtime: (<name> mask input)
+     (r.do! (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//count-32 input)
+  (with-vars [count]
+    ($_ r.then!
+        (r.set! count (r.int 0))
+        (let [last-input-bit (|> (@@ input) (r.bit-and (r.int 1)))
+              update-count! (r.set! count (|> (@@ count) (r.+ last-input-bit)))
+              consume-input! (r.set! input (|> (@@ input) (r.bit-ushr (r.int 1))))
+              input-remaining? (|> (@@ input) (r.= (r.int 0)))]
+          (r.while! input-remaining?
+                    ($_ r.then!
+                        update-count!
+                        consume-input!)))
+        (r.do! (@@ count)))))
+
+(runtime: (bit//count input)
+  (r.do! (int//from-float (r.+ (int64-high (@@ input))
+                               (int64-low (@@ input))))))
+
+(runtime: (bit//shift-right shift input)
+  ($_ r.then!
+      (limit-shift! shift)
+      (r.cond! (list (no-shift-clause shift input)
+                     [(|> (@@ shift) (r.< (r.int 32)))
+                      (let [mid (|> (int64-high (@@ input)) (r.bit-shl (|> (r.int 32) (r.- (@@ shift)))))
+                            high (|> (int64-high (@@ input)) (r.bit-ushr (@@ shift)))
+                            low (|> (int64-low (@@ input))
+                                    (r.bit-ushr (@@ shift))
+                                    (r.bit-or mid))]
+                        (r.do! (int//new high low)))]
+                     [(|> (@@ shift) (r.= (r.int 32)))
+                      (let [high (int64-high (@@ input))]
+                        (r.do! (int//new (r.int 0) high)))])
+               (let [low (|> (int64-high (@@ input)) (r.bit-ushr (|> (@@ shift) (r.- (r.int 32)))))]
+                 (r.do! (int//new (r.int 0) low))))))
+
+(def: runtime//bit
+  Runtime
+  ($_ r.then!
+      @@bit//and
+      @@bit//or
+      @@bit//xor
+      @@bit//not
+      @@bit//count-32
+      @@bit//count
+      @@bit//shift-left
+      @@bit//signed-shift-right-32
+      @@bit//signed-shift-right
+      @@bit//shift-right
+      ))
+
+(runtime: (nat//< param subject)
+  (with-vars [pH sH]
+    ($_ r.then!
+        (r.set! pH (..int64-high (@@ param)))
+        (r.set! sH (..int64-high (@@ subject)))
+        (let [lesser-high? (|> (@@ sH) (r.< (@@ pH)))
+              equal-high? (|> (@@ sH) (r.= (@@ pH)))
+              lesser-low? (|> (..int64-low (@@ subject)) (r.< (..int64-low (@@ param))))]
+          (r.do! (|> lesser-high?
+                     (r.or (|> equal-high?
+                               (r.and lesser-low?)))))))))
+
+(runtime: (nat/// parameter subject)
+  (let [negative? (int//< int//zero)
+        valid-division-check [(|> (@@ parameter) (int//= int//zero))
+                              (r.stop! (r.string "Cannot divide by zero!"))]
+        short-circuit-check [(|> (@@ subject) (nat//< (@@ parameter)))
+                             (r.do! int//zero)]]
+    (r.cond! (list valid-division-check
+                   short-circuit-check
+
+                   [(|> (@@ parameter)
+                        (nat//< (|> (@@ subject) (bit//shift-right (r.int 1)))))
+                    (r.do! int//one)])
+             (with-vars [result remainder approximate log2 approximate-result approximate-remainder delta]
+               ($_ r.then!
+                   (r.set! result int//zero)
+                   (r.set! remainder (@@ subject))
+                   (r.while! (|> (|> (@@ remainder) (nat//< (@@ parameter)))
+                                 (r.or (|> (@@ remainder) (int//= (@@ parameter)))))
+                             (let [rough-estimate (r.apply (list (|> (int//to-float (@@ parameter)) (r./ (int//to-float (@@ remainder)))))
+                                                           (r.global "floor"))
+                                   calculate-approximate-result (int//from-float (@@ approximate))
+                                   calculate-approximate-remainder (int//* (@@ parameter) (@@ approximate-result))
+                                   delta (r.if (|> (r.float 48.0) (r.<= (@@ log2)))
+                                           (r.float 1.0)
+                                           (r.** (|> (r.float 48.0) (r.- (@@ log2)))
+                                                 (r.float 2.0)))
+                                   update-approximates! ($_ r.then!
+                                                            (r.set! approximate-result calculate-approximate-result)
+                                                            (r.set! approximate-remainder calculate-approximate-remainder))]
+                               ($_ r.then!
+                                   (r.set! approximate (r.apply (list (r.float 1.0) 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"))))
+                                   update-approximates!
+                                   (r.while! (|> (negative? (@@ approximate-remainder))
+                                                 (r.or (|> (@@ approximate-remainder) (int//< (@@ remainder)))))
+                                             ($_ r.then!
+                                                 (r.set! approximate (|> delta (r.- (@@ approximate))))
+                                                 update-approximates!))
+                                   ($_ r.then!
+                                       (r.set! result (|> (@@ result)
+                                                          (int//+ (r.if (|> (@@ approximate-result) (int//= int//zero))
+                                                                    int//one
+                                                                    (@@ approximate-result)))))
+                                       (r.set! remainder (|> (@@ remainder) (int//- (@@ approximate-remainder))))))))
+                   (r.do! (@@ result))))
+             )))
+
+(runtime: (nat//% param subject)
+  (let [flat (|> (@@ subject)
+                 (nat/// (@@ param))
+                 (int//* (@@ param)))]
+    (r.do! (|> (@@ subject) (int//- flat)))))
+
+(def: runtime//nat
+  Runtime
+  ($_ r.then!
+      @@nat//<
+      @@nat///
+      @@nat//%))
+
+(runtime: (deg//* param subject)
+  (with-vars [sL sH pL pH bottom middle top]
+    ($_ r.then!
+        (r.set! sL (int//from-float (int64-low (@@ subject))))
+        (r.set! sH (int//from-float (int64-high (@@ subject))))
+        (r.set! pL (int//from-float (int64-low (@@ param))))
+        (r.set! pH (int//from-float (int64-high (@@ param))))
+        (let [bottom (bit//shift-right (r.int 32)
+                                       (r.* (@@ pL) (@@ sL)))
+              middle (r.+ (r.* (@@ pL) (@@ sH))
+                          (r.* (@@ pH) (@@ sL)))
+              top (r.* (@@ pH) (@@ sH))]
+          (r.do! (|> bottom
+                     (r.+ middle)
+                     (bit//shift-right (r.int 32))
+                     (r.+ top)))))))
+
+(runtime: (deg//leading-zeroes input)
+  (with-vars [zeroes remaining]
+    ($_ r.then!
+        (r.set! zeroes (r.int 64))
+        (r.set! remaining (@@ input))
+        (r.while! (|> (@@ remaining) (int//= int//zero) r.not)
+                  ($_ r.then!
+                      (r.set! zeroes (|> (@@ zeroes) (r.- (r.int 1))))
+                      (r.set! remaining (|> (@@ remaining) (bit//shift-right (r.int 1))))))
+        (r.do! (@@ zeroes)))))
+
+(runtime: (deg/// param subject)
+  (with-vars [min-shift]
+    (r.if! (|> (@@ subject) (int//= (@@ param)))
+           (r.do! int//-one)
+           ($_ r.then!
+               (r.set! min-shift
+                       (r.apply (list (deg//leading-zeroes (@@ param))
+                                      (deg//leading-zeroes (@@ subject)))
+                                (r.global "min")))
+               (let [subject' (|> (@@ subject) (bit//shift-left (@@ min-shift)))
+                     param' (|> (@@ param) (bit//shift-left (@@ min-shift)) int64-low int//from-float)]
+                 (r.do! (|> subject'
+                            (int/// param')
+                            (bit//shift-left (r.int 32)))))))))
+
+(runtime: (deg//from-frac input)
+  (with-vars [two32 shifted]
+    ($_ r.then!
+        (r.set! two32 (|> (r.float 2.0) (r.** (r.float 32.0))))
+        (r.set! shifted (|> (@@ input) (r.%% (r.float 1.0)) (r.* (@@ two32))))
+        (let [low (|> (@@ shifted) (r.%% (r.float 1.0)) (r.* (@@ two32)) as-integer)
+              high (|> (@@ shifted) as-integer)]
+          (r.do! (int//new high low))))))
+
+(runtime: (deg//to-frac input)
+  (with-vars [two32]
+    ($_ r.then!
+        (r.set! two32 f2^32)
+        (let [high (|> (int64-high (@@ input)) (r./ (@@ two32)))
+              low (|> (int64-low (@@ input)) (r./ (@@ two32)) (r./ (@@ two32)))]
+          (r.do! (|> low (r.+ high)))))))
+
+(def: runtime//deg
+  Runtime
+  ($_ r.then!
+      @@deg//*
+      @@deg//leading-zeroes
+      @@deg///
+      @@deg//from-frac
+      @@deg//to-frac))
+
+(runtime: (frac//decode input)
+  (with-vars [output]
+    ($_ r.then!
+        (r.set! output (r.apply (list (@@ input)) (r.global "as.numeric")))
+        (r.do! (r.if (|> (@@ output) (r.= r.n/a))
+                 ..none
+                 (..some (@@ output)))))))
+
+(def: runtime//frac
+  Runtime
+  ($_ r.then!
+      @@frac//decode))
+
+(def: inc (-> Expression Expression) (|>> (r.+ (r.int 1))))
+
+(do-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]
+    ($_ r.then!
+        (r.set! startF (int//to-float (@@ start)))
+        (r.set! subjectL (text-length (@@ subject)))
+        (r.do!
+         (r.if (|> (@@ startF) (within? (@@ subjectL)))
+           (r.block
+            ($_ 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 true)])
+                                            (r.global "regexpr"))
+                                (r.nth (r.int 1))))
+                (r.do!
+                 (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]
+    ($_ r.then!
+        (r.set! length (r.length (@@ text)))
+        (r.do!
+         (r.if ($_ 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))))
+         ($_ r.then!
+             (r.set! idx (inc (@@ idx)))
+             (r.do! (..some (int//from-float (char-at (@@ idx) (@@ text))))))
+         (r.do! ..none)))
+
+(runtime: (text//hash input)
+  (let [bits-32 (r.code "0xFFFFFFFF")]
+    (with-vars [idx hash]
+      ($_ r.then!
+          (r.set! hash (r.int 0))
+          (r.for-in! idx (r.range (r.int 1) (text-length (@@ input)))
+                     (r.set! hash (|> (@@ hash)
+                                      (r.bit-shl (r.int 5))
+                                      (r.- (@@ hash))
+                                      (r.+ (char-at (@@ idx) (@@ input)))
+                                      (r.bit-and bits-32))))
+          (r.do! (int//from-float (@@ hash)))))))
+
+(def: runtime//text
+  Runtime
+  ($_ r.then!
+      @@text//index
+      @@text//clip
+      @@text//char
+      @@text//hash))
+
+(def: (check-index-out-of-bounds array idx body!)
+  (-> Expression Expression Statement Statement)
+  (r.if! (|> idx (r.<= (r.length array)))
+         body!
+         (r.stop! (r.string "Array index out of bounds!"))))
+
+(runtime: (array//new size)
+  (with-vars [output]
+    ($_ r.then!
+        (r.set! output (r.list (list)))
+        (r.set-nth! (|> (@@ size) (r.+ (r.int 1)))
+                    r.null
+                    output)
+        (r.do! (@@ output)))))
+
+(runtime: (array//get array idx)
+  (with-vars [temp]
+    (<| (check-index-out-of-bounds (@@ array) (@@ idx))
+        ($_ r.then!
+            (r.set! temp (|> (@@ array) (r.nth (@@ idx))))
+            (r.if! (|> (@@ temp) (r.= r.null))
+                   (r.do! ..none)
+                   (r.do! (..some (@@ temp))))))))
+
+(runtime: (array//put array idx value)
+  (<| (check-index-out-of-bounds (@@ array) (@@ idx))
+      ($_ r.then!
+          (r.set-nth! (@@ idx) (@@ value) array)
+          (r.do! (@@ array)))))
+
+(def: runtime//array
+  Runtime
+  ($_ r.then!
+      @@array//new
+      @@array//get
+      @@array//put))
+
+(def: #export atom//field Text "lux_atom")
+
+(runtime: (atom//compare-and-swap atom old new)
+  (let [atom//field (r.string atom//field)]
+    (r.do!
+     (r.if (|> (@@ atom) (r.nth atom//field) (r.= (@@ old)))
+       (r.block
+        ($_ r.then!
+            (r.set-nth! atom//field (@@ new) atom)
+            (r.do! (r.bool true))))
+       (r.bool false)))))
+
+(def: runtime//atom
+  Runtime
+  ($_ r.then!
+      @@atom//compare-and-swap))
+
+(runtime: (box//write value box)
+  ($_ r.then!
+      (r.set-nth! (r.int 1) (@@ value) box)
+      (r.do! ..unit)))
+
+(def: runtime//box
+  Runtime
+  ($_ r.then!
+      @@box//write))
+
+(def: process//incoming
+  SVar
+  (r.var (lang.normalize-name "process//incoming")))
+
+(def: (list-append! value rlist)
+  (-> Expression SVar Statement)
+  (r.set-nth! (r.length (@@ rlist)) value rlist))
+
+(runtime: (process//loop _)
+  (let [empty (r.list (list))]
+    (with-vars [queue process]
+      (let [migrate-incoming! ($_ r.then!
+                                  (r.set! queue empty)
+                                  (<| (r.for-in! process (@@ process//incoming))
+                                      (list-append! (@@ process) queue))
+                                  (r.set! process//incoming empty))
+            consume-queue! (<| (r.for-in! process (@@ queue))
+                               (r.do! (r.apply (list ..unit) (@@ process))))]
+        ($_ r.then!
+            migrate-incoming!
+            consume-queue!
+            (r.when! (|> (r.length (@@ queue)) (r.> (r.int 0)))
+                     (r.do! (process//loop ..unit))))))))
+
+(runtime: (process//future procedure)
+  ($_ r.then!
+      (list-append! (@@ procedure) process//incoming)
+      (r.do! ..unit)))
+
+(runtime: (process//schedule milli-seconds procedure)
+  (let [to-seconds (|>> (r./ (r.float 1_000.0)))
+        to-millis (|>> (r.* (r.float 1_000.0)))]
+    (with-vars [start now seconds _arg elapsed-time]
+      ($_ r.then!
+          (r.set! start current-time-float)
+          (r.set! seconds (to-seconds (@@ milli-seconds)))
+          (list-append! (r.function (list _arg)
+                          ($_ r.then!
+                              (r.set! now current-time-float)
+                              (r.set! elapsed-time (|> (@@ now) (r.- (@@ start))))
+                              (r.if! (|> (@@ elapsed-time) (r.>= (@@ seconds)))
+                                     (r.do! (@@ procedure))
+                                     (r.do! (process//schedule (to-millis (@@ elapsed-time))
+                                                               (@@ procedure))))))
+                        process//incoming)
+          (r.do! ..unit)))))
+
+(def: runtime//process
+  Runtime
+  ($_ r.then!
+      (r.set! process//incoming (r.list (list)))
+      @@process//loop
+      @@process//future
+      @@process//schedule
+      ))
+
+(def: runtime
+  Runtime
+  ($_ r.then!
+      runtime//int
+      runtime//lux
+      runtime//adt
+      runtime//bit
+      runtime//nat
+      runtime//deg
+      runtime//frac
+      runtime//text
+      runtime//array
+      runtime//atom
+      runtime//box
+      runtime//io
+      runtime//process
+      ))
+
+(def: #export artifact Text (format prefix ".r"))
+
+(def: #export translate
+  (Meta (Process Unit))
+  (do macro.Monad<Meta>
+    [_ //.init-module-buffer
+     _ (//.save runtime)]
+    (//.save-module! artifact)))
diff --git a/new-luxc/source/luxc/lang/translation/r/statement.jvm.lux b/new-luxc/source/luxc/lang/translation/r/statement.jvm.lux
new file mode 100644
index 000000000..317abcf73
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/statement.jvm.lux
@@ -0,0 +1,45 @@
+(.module:
+  lux
+  (lux (control [monad #+ do])
+       [macro]
+       (data text/format))
+  (luxc (lang [".L" module]
+              (host [r #+ Expression Statement @@])))
+  [//]
+  (// [".T" runtime]
+      [".T" reference]
+      [".T" eval]))
+
+(def: #export (translate-def name expressionT expressionO metaV)
+  (-> Text Type Expression Code (Meta Unit))
+  (do macro.Monad<Meta>
+    [current-module macro.current-module-name
+     #let [def-ident [current-module name]]]
+    (case (macro.get-symbol-ann (ident-for #.alias) metaV)
+      (#.Some real-def)
+      (do @
+        [[realT realA realV] (macro.find-def real-def)
+         _ (moduleL.define def-ident [realT metaV realV])]
+        (wrap []))
+
+      _
+      (do @
+        [#let [def-name (referenceT.global def-ident)]
+         _ (//.save (r.set! def-name expressionO))
+         expressionV (evalT.eval (@@ def-name))
+         _ (moduleL.define def-ident [expressionT metaV expressionV])
+         _ (if (macro.type? metaV)
+             (case (macro.declared-tags metaV)
+               #.Nil
+               (wrap [])
+
+               tags
+               (moduleL.declare-tags tags (macro.export? metaV) (:! Type expressionV)))
+             (wrap []))
+         #let [_ (log! (format "DEF " (%ident def-ident)))]]
+        (wrap []))
+      )))
+
+(def: #export (translate-program programO)
+  (-> Expression (Meta Statement))
+  (macro.fail "translate-program NOT IMPLEMENTED YET"))
diff --git a/new-luxc/source/luxc/lang/translation/r/structure.jvm.lux b/new-luxc/source/luxc/lang/translation/r/structure.jvm.lux
new file mode 100644
index 000000000..16d144f93
--- /dev/null
+++ b/new-luxc/source/luxc/lang/translation/r/structure.jvm.lux
@@ -0,0 +1,31 @@
+(.module:
+  lux
+  (lux (control [monad #+ do])
+       (data [text]
+             text/format)
+       [macro])
+  (luxc ["&" lang]
+        (lang [synthesis #+ Synthesis]
+              (host [r #+ Expression Statement])))
+  [//]
+  (// [".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 Bool Synthesis (Meta Expression))
+  (do macro.Monad<Meta>
+    [valueT (translate valueS)]
+    (wrap (runtimeT.variant tag tail? valueT))))
diff --git a/new-luxc/test/test/luxc/common.lux b/new-luxc/test/test/luxc/common.lux
index 49f294a68..7d4b156b8 100644
--- a/new-luxc/test/test/luxc/common.lux
+++ b/new-luxc/test/test/luxc/common.lux
@@ -33,7 +33,13 @@
                            (python [".T_python" expression]
                                    [".T_python" eval]
                                    [".T_python" runtime]
-                                   [".T_python" statement])))))
+                                   [".T_python" statement])
+                           [r]
+                           (r [".T_r" expression]
+                              [".T_r" eval]
+                              [".T_r" runtime]
+                              [".T_r" statement])
+                           ))))
 
 (type: #export Runner (-> Synthesis (e.Error Top)))
 (type: #export Definer (-> Ident Synthesis (e.Error Top)))
@@ -50,6 +56,7 @@
   [init-lua lua.init]
   [init-ruby ruby.init]
   [init-python python.init]
+  [init-r r.init]
   )
 
 (def: (runner translate-runtime translate-expression eval init)
@@ -92,3 +99,6 @@
 
 (def: #export run-python (runner runtimeT_python.translate expressionT_python.translate evalT_python.eval init-python))
 (def: #export def-python (definer runtimeT_python.translate expressionT_python.translate evalT_python.eval init-python statementT_python.translate-def))
+
+(def: #export run-r (runner runtimeT_r.translate expressionT_r.translate evalT_r.eval init-r))
+(def: #export def-r (definer runtimeT_r.translate expressionT_r.translate evalT_r.eval init-r statementT_r.translate-def))
diff --git a/new-luxc/test/test/luxc/lang/translation/case.lux b/new-luxc/test/test/luxc/lang/translation/case.lux
index ca960dba4..04a373e42 100644
--- a/new-luxc/test/test/luxc/lang/translation/case.lux
+++ b/new-luxc/test/test/luxc/lang/translation/case.lux
@@ -113,3 +113,7 @@
 (context: "[Python] Function."
   (<| (times +100)
       (pattern-matching-spec run-python)))
+
+(context: "[R] Pattern-matching."
+  (<| (times +100)
+      (pattern-matching-spec run-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/common.lux b/new-luxc/test/test/luxc/lang/translation/common.lux
index 6de3ad822..e29931667 100644
--- a/new-luxc/test/test/luxc/lang/translation/common.lux
+++ b/new-luxc/test/test/luxc/lang/translation/common.lux
@@ -729,3 +729,7 @@
 (context: "[Python] Common procedures."
   (<| (times +100)
       (all-specs run-python)))
+
+(context: "[R] Common procedures."
+  (<| (times +100)
+      (all-specs run-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/function.lux b/new-luxc/test/test/luxc/lang/translation/function.lux
index d7505bf37..105072df7 100644
--- a/new-luxc/test/test/luxc/lang/translation/function.lux
+++ b/new-luxc/test/test/luxc/lang/translation/function.lux
@@ -106,3 +106,7 @@
 (context: "[Python] Function."
   (<| (times +100)
       (function-spec run-python)))
+
+(context: "[R] Function."
+  (<| (times +100)
+      (function-spec run-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/primitive.lux b/new-luxc/test/test/luxc/lang/translation/primitive.lux
index 6d74d4fca..d410f29f0 100644
--- a/new-luxc/test/test/luxc/lang/translation/primitive.lux
+++ b/new-luxc/test/test/luxc/lang/translation/primitive.lux
@@ -75,3 +75,7 @@
 (context: "[Python] Primitives."
   (<| (times +100)
       (spec run-python)))
+
+(context: "[R] Primitives."
+  (<| (times +100)
+      (spec run-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/reference.lux b/new-luxc/test/test/luxc/lang/translation/reference.lux
index 3c2b66b2d..6f27b75f2 100644
--- a/new-luxc/test/test/luxc/lang/translation/reference.lux
+++ b/new-luxc/test/test/luxc/lang/translation/reference.lux
@@ -16,7 +16,8 @@
                            (js [".T_js" statement])
                            (lua [".T_lua" statement])
                            (ruby [".T_ruby" statement])
-                           (python [".T_python" statement]))))
+                           (python [".T_python" statement])
+                           (r [".T_r" statement]))))
   (test/luxc common))
 
 (def: upper-alpha-ascii
@@ -42,7 +43,8 @@
                      (i/= def-value (:! Int valueT))
 
                      (#e.Error error)
-                     false)))))
+                     (exec (log! error)
+                       false))))))
 
 (def: (variables-spec run)
   (-> Runner Test)
@@ -84,3 +86,7 @@
 (context: "[Python] References."
   (<| (times +100)
       (references-spec run-python def-python)))
+
+(context: "[R] References."
+  (<| (times +100)
+      (references-spec run-r def-r)))
diff --git a/new-luxc/test/test/luxc/lang/translation/structure.lux b/new-luxc/test/test/luxc/lang/translation/structure.lux
index bd2cdcbb4..deb015727 100644
--- a/new-luxc/test/test/luxc/lang/translation/structure.lux
+++ b/new-luxc/test/test/luxc/lang/translation/structure.lux
@@ -131,3 +131,7 @@
 (context: "[Python] Structures."
   (<| (times +100)
       (structure-spec run-python)))
+
+(context: "[R] Structures."
+  (<| (times +100)
+      (structure-spec run-r)))