WIP: Lua compiler.

37 files changed, 1848 insertions, 1851 deletions

diff --git a/.gitignore b/.gitignore
index 47a05af09..8e75a4c6f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,6 +30,11 @@ pom.xml.asc
 /lux-python/source/lux
 /lux-python/source/program
 
+/lux-lua/target
+/lux-lua/source/lux.lux
+/lux-lua/source/lux
+/lux-lua/source/program
+
 /lux-ruby/target
 /lux-ruby/source/lux.lux
 /lux-ruby/source/lux
diff --git a/commands b/commands
index 1d327f3b6..183ee6658 100644
--- a/commands
+++ b/commands
@@ -55,6 +55,16 @@ cd ~/lux/lux-python/ && lein clean
 	# Try
 		cd ~/lux/lux-python/ && java -jar target/program.jar build --source ~/lux/stdlib/source --target ~/lux/stdlib/target --module test/lux
 
+# Lua compiler
+	# Test
+		cd ~/lux/lux-lua/ && lein_2_7_1 lux auto test
+		cd ~/lux/lux-lua/ && lein clean && lein_2_7_1 lux auto test
+	# Build
+		cd ~/lux/lux-lua/ && lein_2_7_1 lux auto build
+		cd ~/lux/lux-lua/ && lein clean && lein_2_7_1 lux auto build
+	# Try
+		cd ~/lux/lux-lua/ && java -jar target/program.jar build --source ~/lux/stdlib/source --target ~/lux/stdlib/target --module test/lux
+
 # Ruby compiler
 	# Test
 		cd ~/lux/lux-ruby/ && lein_2_7_1 lux auto test
diff --git a/lux-lua/project.clj b/lux-lua/project.clj
new file mode 100644
index 000000000..62abfb470
--- /dev/null
+++ b/lux-lua/project.clj
@@ -0,0 +1,32 @@
+(def version "0.6.0-SNAPSHOT")
+(def repo "https://github.com/LuxLang/lux")
+(def sonatype-releases "https://oss.sonatype.org/service/local/staging/deploy/maven2/")
+(def sonatype-snapshots "https://oss.sonatype.org/content/repositories/snapshots/")
+
+(defproject com.github.luxlang/lux-python #=(identity version)
+  :description "A Lua compiler for Lux."
+  :url ~repo
+  :license {:name "Lux License v0.1"
+            :url ~(str repo "/blob/master/license.txt")}
+  :scm {:name "git"
+        :url ~(str repo ".git")}
+  :pom-addition [:developers [:developer
+                              [:name "Eduardo Julian"]
+                              [:url "https://github.com/eduardoejp"]]]
+  
+  :repositories [["releases" ~sonatype-releases]
+                 ["snapshots" ~sonatype-snapshots]]
+  :deploy-repositories [["releases" {:url ~sonatype-releases :creds :gpg}]
+                        ["snapshots" {:url ~sonatype-snapshots :creds :gpg}]]
+  
+  :plugins [[com.github.luxlang/lein-luxc ~version]]
+  :dependencies [[com.github.luxlang/luxc-jvm ~version]
+                 [com.github.luxlang/stdlib ~version]
+                 [net.sandius.rembulan/rembulan-runtime "0.1-SNAPSHOT"]
+                 [net.sandius.rembulan/rembulan-stdlib "0.1-SNAPSHOT"]
+                 [net.sandius.rembulan/rembulan-compiler "0.1-SNAPSHOT"]]
+
+  :manifest {"lux" ~version}
+  :source-paths ["source"]
+  :lux {:program "program"}
+  )
diff --git a/lux-lua/source/program.lux b/lux-lua/source/program.lux
new file mode 100644
index 000000000..c49f15a4a
--- /dev/null
+++ b/lux-lua/source/program.lux
@@ -0,0 +1,430 @@
+(.module:
+  [lux #*
+   [abstract
+    ["." monad (#+ do)]]
+   [control
+    pipe
+    [cli (#+ program:)]
+    ["p" parser]
+    ["." exception (#+ exception:)]
+    ["." io (#+ IO io)]]
+   [data
+    ["." maybe]
+    ["." error (#+ Error)]
+    [number
+     ["." i64]]
+    ["." text ("#@." hash)
+     format]
+    [collection
+     ["." array (#+ Array)]
+     ["." list ("#@." functor)]]]
+   ["." macro
+    ["s" syntax (#+ syntax:)]
+    ["." code]
+    ["." template]]
+   [world
+    ["." file]]
+   ["." host (#+ import: interface: do-to object)
+    ["_" lua]]
+   [tool
+    [compiler
+     ["." name]
+     ["." synthesis]
+     [phase
+      [macro (#+ Expander)]
+      ["." generation
+       ["." lua
+        ["." runtime]
+        ["." extension]]]]
+     [default
+      ["." platform (#+ Platform)]]]]]
+  [program
+   ["/" compositor
+    ["/." cli]]])
+
+(import: #long java/lang/String)
+
+(import: #long (java/lang/Class a)
+  (getCanonicalName [] java/lang/String))
+
+(import: #long java/lang/Object
+  (new [])
+  (toString [] java/lang/String)
+  (getClass [] (java/lang/Class java/lang/Object)))
+
+(import: #long java/lang/Integer
+  (longValue [] java/lang/Long))
+
+(import: #long java/lang/Long
+  (intValue [] java/lang/Integer))
+
+(import: #long java/lang/Number
+  (intValue [] java/lang/Integer)
+  (longValue [] long)
+  (doubleValue [] double))
+
+(def: (inspect object)
+  (-> java/lang/Object Text)
+  (<| (case (host.check java/lang/Boolean object)
+        (#.Some value)
+        (%b value)
+        #.None)
+      (case (host.check java/lang/String object)
+        (#.Some value)
+        (%t value)
+        #.None)
+      (case (host.check java/lang/Long object)
+        (#.Some value)
+        (%i (.int value))
+        #.None)
+      (case (host.check java/lang/Number object)
+        (#.Some value)
+        (%f (java/lang/Number::doubleValue value))
+        #.None)
+      (case (host.check (Array java/lang/Object) object)
+        (#.Some value)
+        (let [value (:coerce (Array java/lang/Object) value)]
+          (case (array.read 0 value)
+            (^multi (#.Some tag)
+                    [(host.check java/lang/Integer tag)
+                     (#.Some tag)]
+                    [[(array.read 1 value)
+                      (array.read 2 value)]
+                     [last?
+                      (#.Some choice)]])
+            (let [last? (case last?
+                          (#.Some _) #1
+                          #.None #0)]
+              (|> (format (%n (.nat (java/lang/Integer::longValue tag)))
+                          " " (%b last?)
+                          " " (inspect choice))
+                  (text.enclose ["(" ")"])))
+
+            _
+            (|> value
+                array.to-list
+                (list@map inspect)
+                (text.join-with " ")
+                (text.enclose ["[" "]"]))))
+        #.None)
+      (java/lang/Object::toString object)))
+
+(import: #long net/sandius/rembulan/StateContext)
+
+(import: #long net/sandius/rembulan/impl/StateContexts
+  (#static newDefaultInstance [] net/sandius/rembulan/StateContext))
+
+(import: #long net/sandius/rembulan/env/RuntimeEnvironment)
+
+(import: #long net/sandius/rembulan/env/RuntimeEnvironments
+  (#static system [] net/sandius/rembulan/env/RuntimeEnvironment))
+
+(import: #long net/sandius/rembulan/Table
+  (rawget #as get-idx [long] #? java/lang/Object)
+  (rawget #as get-key [java/lang/Object] #? java/lang/Object)
+  (rawlen [] long))
+
+(import: #long net/sandius/rembulan/ByteString
+  (decode [] java/lang/String))
+
+(import: #long net/sandius/rembulan/impl/DefaultTable)
+
+(import: #long net/sandius/rembulan/impl/ImmutableTable)
+
+(import: #long net/sandius/rembulan/impl/ImmutableTable$Builder
+  (new [])
+  (build [] net/sandius/rembulan/impl/ImmutableTable))
+
+(import: #long net/sandius/rembulan/lib/StandardLibrary
+  (#static in [net/sandius/rembulan/env/RuntimeEnvironment] net/sandius/rembulan/lib/StandardLibrary)
+  (installInto [net/sandius/rembulan/StateContext] net/sandius/rembulan/Table))
+
+(import: #long net/sandius/rembulan/Variable
+  (new [java/lang/Object]))
+
+(import: #long net/sandius/rembulan/runtime/LuaFunction)
+
+(import: #long net/sandius/rembulan/load/ChunkLoader
+  (loadTextChunk [net/sandius/rembulan/Variable
+                  java/lang/String
+                  java/lang/String]
+                 net/sandius/rembulan/runtime/LuaFunction))
+
+(import: #long net/sandius/rembulan/compiler/CompilerChunkLoader
+  (#static of [java/lang/String] net/sandius/rembulan/compiler/CompilerChunkLoader))
+
+(import: #long net/sandius/rembulan/runtime/SchedulingContext)
+
+(import: #long net/sandius/rembulan/runtime/SchedulingContextFactory)
+
+(import: #long net/sandius/rembulan/exec/DirectCallExecutor
+  (#static newExecutor [] net/sandius/rembulan/exec/DirectCallExecutor)
+  (schedulingContextFactory [] net/sandius/rembulan/runtime/SchedulingContextFactory)
+  (call [net/sandius/rembulan/StateContext
+         java/lang/Object
+         (Array java/lang/Object)]
+        #try (Array java/lang/Object)))
+
+(exception: (unknown-kind-of-object {object java/lang/Object})
+  (exception.report
+   ["Class" (java/lang/Object::toString (java/lang/Object::getClass object))]
+   ["Object" (java/lang/Object::toString object)]))
+
+(template [<name>]
+  [(interface: <name>
+     (getValue [] java/lang/Object))
+
+   (`` (import: #long (~~ (template.identifier ["program/" <name>]))
+         (getValue [] java/lang/Object)))]
+
+  [StructureValue]
+  )
+
+(def: (lux-structure value)
+  (-> (Array java/lang/Object) program/StructureValue)
+  (let [re-wrap (function (_ unwrapped)
+                  (case (host.check (Array java/lang/Object) unwrapped)
+                    (#.Some sub-value)
+                    (|> sub-value (:coerce (Array java/lang/Object)) lux-structure (:coerce java/lang/Object))
+                    
+                    #.None
+                    unwrapped))]
+    (object [] net/sandius/rembulan/impl/DefaultTable [program/StructureValue]
+      []
+      ## Methods
+      (program/StructureValue
+       (getValue)
+       java/lang/Object
+       (:coerce (Array java/lang/Object) value))
+
+      (net/sandius/rembulan/impl/DefaultTable
+       (rawlen)
+       long
+       (|> value array.size (:coerce java/lang/Long)))
+
+      (net/sandius/rembulan/impl/DefaultTable
+       (rawget {idx long})
+       java/lang/Object
+       (|> value (array.read (|> idx (:coerce Nat) dec)) maybe.assume re-wrap))
+
+      (net/sandius/rembulan/impl/DefaultTable
+       (rawget {field java/lang/Object})
+       java/lang/Object
+       (case (host.check net/sandius/rembulan/ByteString field)
+         (#.Some field)
+         (case (net/sandius/rembulan/ByteString::decode field)
+           (^ (static runtime.variant-tag-field))
+           (|> value (array.read 0) maybe.assume)
+           
+           (^ (static runtime.variant-flag-field))
+           (case (array.read 1 value)
+             (#.Some _)
+             ""
+
+             #.None
+             (host.null))
+           
+           (^ (static runtime.variant-value-field))
+           (|> value (array.read 2) maybe.assume re-wrap)
+
+           _
+           (error! (exception.construct unknown-kind-of-object field)))
+
+         #.None
+         (case (host.check java/lang/Long field)
+           (#.Some idx)
+           (|> value (array.read (|> idx (:coerce Nat) dec)) maybe.assume re-wrap)
+           
+           #.None
+           (error! (exception.construct unknown-kind-of-object field)))))
+      )))
+
+(type: Translator
+  (-> java/lang/Object (Error Any)))
+
+(def: (read-variant read host-object)
+  (-> Translator net/sandius/rembulan/impl/DefaultTable (Error Any))
+  (case [(net/sandius/rembulan/Table::get-key runtime.variant-tag-field host-object)
+         (net/sandius/rembulan/Table::get-key runtime.variant-flag-field host-object)
+         (net/sandius/rembulan/Table::get-key runtime.variant-value-field host-object)]
+    (^multi [(#.Some tag) ?flag (#.Some value)]
+            [(read value)
+             (#.Some value)])
+    (#error.Success [(java/lang/Long::intValue (:coerce java/lang/Long tag))
+                     (: Any (case ?flag (#.Some _) "" #.None (host.null)))
+                     value])
+
+    _
+    (exception.throw ..unknown-kind-of-object host-object)))
+
+(def: (read-tuple read host-object)
+  (-> Translator net/sandius/rembulan/impl/DefaultTable (Error Any))
+  (let [init-num-keys (.nat (net/sandius/rembulan/Table::rawlen host-object))]
+    (loop [num-keys init-num-keys
+           idx 0
+           output (: (Array java/lang/Object)
+                     (array.new init-num-keys))]
+      (if (n/< num-keys idx)
+        (case (net/sandius/rembulan/Table::get-idx (:coerce java/lang/Long (inc idx)) host-object)
+          #.None
+          (recur num-keys (inc idx) output)
+
+          (#.Some member)
+          (case (read member)
+            (#error.Success parsed-member)
+            (recur num-keys (inc idx) (array.write idx (:coerce java/lang/Object parsed-member) output))
+
+            (#error.Failure error)
+            (#error.Failure error)))
+        (#error.Success output)))))
+
+(exception: #export nil-has-no-lux-representation)
+
+(def: (read host-object)
+  Translator
+  (`` (<| (if (host.null? host-object)
+            (exception.throw nil-has-no-lux-representation []))
+          (~~ (template [<class> <post-processing>]
+                [(case (host.check <class> host-object)
+                   (#.Some typed-object)
+                   (|> typed-object <post-processing>)
+
+                   _)]
+
+                [java/lang/Boolean #error.Success]
+                [java/lang/Long #error.Success]
+                [java/lang/Double #error.Success]
+                [java/lang/String #error.Success]
+                [net/sandius/rembulan/runtime/LuaFunction #error.Success]
+                [net/sandius/rembulan/ByteString (<| #error.Success net/sandius/rembulan/ByteString::decode)]
+                [program/StructureValue (<| #error.Success program/StructureValue::getValue)]
+                ))
+          (case (host.check net/sandius/rembulan/impl/DefaultTable host-object)
+            (#.Some typed-object)
+            (case (read-variant read typed-object)
+              (#error.Success value)
+              (#error.Success value)
+
+              (#error.Failure error)
+              (case (read-tuple read typed-object)
+                (#error.Success value)
+                (#error.Success value)
+
+                (#error.Failure error)
+                (exception.throw ..unknown-kind-of-object host-object)))
+
+            _
+            (exception.throw ..unknown-kind-of-object host-object))
+          )))
+
+(exception: (cannot-apply-a-non-function {object java/lang/Object})
+  (exception.report
+   ["Non-function" (java/lang/Object::toString object)]))
+
+(def: ensure-macro
+  (-> Macro (Maybe net/sandius/rembulan/runtime/LuaFunction))
+  (|>> (:coerce java/lang/Object) (host.check net/sandius/rembulan/runtime/LuaFunction)))
+
+(type: Baggage [net/sandius/rembulan/StateContext net/sandius/rembulan/exec/DirectCallExecutor])
+
+(def: (call-macro [state-context executor] inputs lux macro)
+  (-> Baggage (List Code) Lux net/sandius/rembulan/runtime/LuaFunction (Error Any))
+  (do error.monad
+    [output (net/sandius/rembulan/exec/DirectCallExecutor::call state-context
+                                                                (:coerce java/lang/Object macro)
+                                                                (|> (array.new 2)
+                                                                    (array.write 0 ## (:coerce java/lang/Object inputs)
+                                                                                 ## (net/sandius/rembulan/impl/ImmutableTable$Builder::build (net/sandius/rembulan/impl/ImmutableTable$Builder::new))
+                                                                                 (:coerce java/lang/Object (lux-structure (:coerce (Array java/lang/Object) inputs))))
+                                                                    (array.write 1 ## (:coerce java/lang/Object lux)
+                                                                                 ## (net/sandius/rembulan/impl/ImmutableTable$Builder::build (net/sandius/rembulan/impl/ImmutableTable$Builder::new))
+                                                                                 (:coerce java/lang/Object (lux-structure (:coerce (Array java/lang/Object) lux)))))
+                                                                executor)]
+    (wrap (|> output (array.read 0) maybe.assume (:coerce java/lang/Object) ..read))))
+
+(def: (expander baggage macro inputs lux)
+  (-> Baggage Expander)
+  (case (ensure-macro macro)
+    (#.Some macro)
+    (case (call-macro baggage inputs lux macro)
+      (#error.Success output)
+      (|> output
+          (:coerce (Error (Error [Lux (List Code)]))))
+
+      (#error.Failure error)
+      (#error.Failure error))
+
+    #.None
+    (exception.throw cannot-apply-a-non-function (:coerce java/lang/Object macro)))
+  )
+
+(def: separator "___")
+
+(type: Host
+  (generation.Host (_.Expression Any) _.Statement))
+
+(def: host
+  (IO [Baggage Host])
+  (io (let [runtime-env (net/sandius/rembulan/env/RuntimeEnvironments::system)
+            std-lib (net/sandius/rembulan/lib/StandardLibrary::in runtime-env)
+            state-context (net/sandius/rembulan/impl/StateContexts::newDefaultInstance)
+            table (net/sandius/rembulan/lib/StandardLibrary::installInto state-context std-lib)
+            variable (net/sandius/rembulan/Variable::new table)
+            loader (net/sandius/rembulan/compiler/CompilerChunkLoader::of "_lux_definition")
+            executor (net/sandius/rembulan/exec/DirectCallExecutor::newExecutor)
+            scheduling-context (net/sandius/rembulan/exec/DirectCallExecutor::schedulingContextFactory executor)
+            run! (: (-> Text _.Statement (Error Any))
+                    (function (_ dummy-name code)
+                      (do error.monad
+                        [#let [lua-function (net/sandius/rembulan/load/ChunkLoader::loadTextChunk variable "lux compilation" (_.code code)
+                                                                                                  loader)]
+                         output (net/sandius/rembulan/exec/DirectCallExecutor::call state-context (:coerce java/lang/Object lua-function) (array.new 0)
+                                                                                    executor)]
+                        (case (array.read 0 output)
+                          #.None
+                          (wrap [])
+
+                          (#.Some value)
+                          (read value)))))]
+        [[state-context executor]
+         (: Host
+            (structure
+             (def: (evaluate! dummy-name code)
+               (run! dummy-name (_.return code)))
+             (def: execute! run!)
+             (def: (define! [module name] input)
+               (let [global (format (text.replace-all .module-separator ..separator module)
+                                    ..separator (name.normalize name)
+                                    "___" (%n (text@hash name)))
+                     @global (_.var global)]
+                 (do error.monad
+                   [#let [definition (_.set (list @global) input)]
+                    _ (run! global definition)
+                    value (run! global (_.return @global))]
+                   (wrap [global value definition]))))))])))
+
+(def: platform
+  (IO [Baggage (Platform IO _.Var (_.Expression Any) _.Statement)])
+  (do io.monad
+    [[baggage host] ..host]
+    (wrap [baggage
+           {#platform.&monad io.monad
+            #platform.&file-system file.system
+            #platform.host host
+            #platform.phase lua.generate
+            #platform.runtime runtime.generate}])))
+
+(def: (program program)
+  (-> (_.Expression Any) _.Statement)
+  (_.statement (_.apply/* (list (runtime.lux//program-args (_.var "arg"))
+                                _.nil)
+                          program)))
+
+(program: [{service /cli.service}]
+  (do io.monad
+    [[baggage platform] ..platform]
+    (/.compiler (..expander baggage)
+                (io platform)
+                extension.bundle
+                ..program
+                service)))
diff --git a/lux-ruby/project.clj b/lux-ruby/project.clj
index 9b34f7edf..70f2e949c 100644
--- a/lux-ruby/project.clj
+++ b/lux-ruby/project.clj
@@ -4,7 +4,7 @@
 (def sonatype-snapshots "https://oss.sonatype.org/content/repositories/snapshots/")
 
 (defproject com.github.luxlang/lux-python #=(identity version)
-  :description "A Python compiler for Lux."
+  :description "A Ruby compiler for Lux."
   :url ~repo
   :license {:name "Lux License v0.1"
             :url ~(str repo "/blob/master/license.txt")}
diff --git a/new-luxc/project.clj b/new-luxc/project.clj
index 5017e821d..91b6efdb5 100644
--- a/new-luxc/project.clj
+++ b/new-luxc/project.clj
@@ -23,10 +23,6 @@
 
   :dependencies [;; JVM Bytecode
                  [org.ow2.asm/asm-all "5.0.3"]
-                 ;; ;; Lua
-                 ;; [net.sandius.rembulan/rembulan-runtime "0.1-SNAPSHOT"]
-                 ;; [net.sandius.rembulan/rembulan-stdlib "0.1-SNAPSHOT"]
-                 ;; [net.sandius.rembulan/rembulan-compiler "0.1-SNAPSHOT"]
                  ;; ;; Scheme
                  ;; [kawa-scheme/kawa-core "2.4"]
                  ;; ;; Common Lisp
diff --git a/new-luxc/source/luxc/lang/host/lua.lux b/new-luxc/source/luxc/lang/host/lua.lux
deleted file mode 100644
index 364c05052..000000000
--- a/new-luxc/source/luxc/lang/host/lua.lux
+++ /dev/null
@@ -1,188 +0,0 @@
-(.module:
-  [lux #- not or and function]
-  (lux (data [text]
-             text/format
-             (coll [list "list/" Functor<List> Fold<List>]))))
-
-(type: #export Lua Text)
-
-(type: #export Expression Lua)
-
-(type: #export Statement Lua)
-
-(def: #export nil
-  Expression
-  "nil")
-
-(def: #export bool
-  (-> Bit Expression)
-  %b)
-
-(def: #export int
-  (-> Int Expression)
-  %i)
-
-(def: #export float
-  (-> Frac Expression)
-  %f)
-
-(def: #export (string value)
-  (-> Text Expression)
-  (%t value))
-
-(def: #export (array elements)
-  (-> (List Expression) Expression)
-  (format "{" (text.join-with "," elements) "}"))
-
-(def: #export (nth idx array)
-  (-> Expression Expression Expression)
-  (format "(" array ")[" idx "]"))
-
-(def: #export (length array)
-  (-> Expression Expression)
-  (format "#(" array ")"))
-
-(def: #export (apply func args)
-  (-> Expression (List Expression) Expression)
-  (format func "(" (text.join-with "," args) ")"))
-
-(def: #export (method field table args)
-  (-> Text Expression (List Expression) Expression)
-  (format table ":" field "(" (text.join-with "," args) ")"))
-
-(def: #export (local! name value)
-  (-> Text (Maybe Expression) Statement)
-  (case value
-    #.None
-    (format "local " name ";")
-    
-    (#.Some value)
-    (format "local " name " = " value ";")))
-
-(def: #export (global! name value)
-  (-> Text (Maybe Expression) Statement)
-  (case value
-    #.None
-    (format name ";")
-    
-    (#.Some value)
-    (format name " = " value ";")))
-
-(def: #export (set! name value)
-  (-> Text Expression Statement)
-  (format name " = " value ";"))
-
-(def: #export (if! test then! else!)
-  (-> Expression Statement Statement Statement)
-  (format "if " test
-          " then " then!
-          " else " else!
-          " end;"))
-
-(def: #export (when! test then!)
-  (-> Expression Statement Statement)
-  (format "if " test
-          " then " then!
-          " end;"))
-
-(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 (block! statements)
-  (-> (List Statement) Statement)
-  (text.join-with " " statements))
-
-(def: #export (while! test body)
-  (-> Expression Statement Statement)
-  (format "while " test " do " body " end;"))
-
-(def: #export (for-in! vars source body)
-  (-> (List Text) Expression Statement Statement)
-  (format "for " (text.join-with "," vars) " in " source
-          " do " body " end;"))
-
-(def: #export (for-step! var from to step body)
-  (-> Text Expression Expression Expression Statement
-      Statement)
-  (format "for " var " = " from ", " to ", " step
-          " do " body " end;"))
-
-(def: #export (error message)
-  (-> Expression Expression)
-  (apply "error" (list message)))
-
-(def: #export (return! value)
-  (-> Expression Statement)
-  (format "return " value ";"))
-
-(def: #export (function args body)
-  (-> (List Text) Statement Expression)
-  (format "("
-          (format "function " (format "(" (text.join-with ", " args) ")")
-                  " "
-                  body
-                  " end")
-          ")"))
-
-(def: #export (function! name args body)
-  (-> Text (List Text) Statement Expression)
-  (format "function " name (format "(" (text.join-with ", " args) ")")
-          " "
-          body
-          " end;"))
-
-(def: #export (table fields)
-  (-> (List [Text Expression]) Expression)
-  (format "{"
-          (|> fields
-              (list/map (.function (_ [key val])
-                          (format key " = " val)))
-              (text.join-with ", "))
-          "}"))
-
-(template [<name> <op>]
-  [(def: #export (<name> param subject)
-     (-> Expression Expression Expression)
-     (format "(" subject " " <op> " " param ")"))]
-
-  [=       "=="]
-  [<       "<"]
-  [<=      "<="]
-  [>       ">"]
-  [>=      ">="]
-  [+       "+"]
-  [-       "-"]
-  [*       "*"]
-  [/       "/"]
-  [//      "//"]
-  [%       "%"]
-  )
-
-(template [<name> <op>]
-  [(def: #export (<name> param subject)
-     (-> Expression Expression Expression)
-     (format "(" param " " <op> " " subject ")"))]
-
-  [or      "or"]
-  [and     "and"]
-  [bit-or  "|"]
-  [bit-and "&"]
-  [bit-xor "~"]
-  )
-
-(template [<name> <op>]
-  [(def: #export (<name> param subject)
-     (-> Expression Expression Expression)
-     (format "(" subject " " <op> " " param ")"))]
-
-  [bit-shl "<<"]
-  [bit-shr ">>"]
-  )
-
-(def: #export (not subject)
-  (-> Expression Expression)
-  (format "(not " subject ")"))
diff --git a/new-luxc/source/luxc/lang/translation/lua.lux b/new-luxc/source/luxc/lang/translation/lua.lux
deleted file mode 100644
index e79af1048..000000000
--- a/new-luxc/source/luxc/lang/translation/lua.lux
+++ /dev/null
@@ -1,231 +0,0 @@
-(.module:
-  lux
-  (lux (control ["ex" exception #+ exception:]
-                pipe
-                [monad #+ do])
-       (data [bit]
-             [maybe]
-             ["e" error #+ Error]
-             [text "text/" Eq<Text>]
-             text/format
-             (coll [array]))
-       [macro]
-       [io #+ IO Process io]
-       [host #+ class: interface: object]
-       (world [file #+ File]))
-  (luxc [lang]
-        (lang [".L" variable #+ Register]
-              (host [lua #+ Lua Expression Statement]))
-        [".C" io]))
-
-(template [<name>]
-  [(exception: #export (<name> {message Text})
-     message)]
-
-  [No-Active-Module-Buffer]
-  [Cannot-Execute]
-
-  [No-Anchor]
-  )
-
-(host.import: java/lang/Object)
-
-(host.import: java/lang/String
-  (getBytes [String] #try (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: net/sandius/rembulan/StateContext)
-
-(host.import: net/sandius/rembulan/impl/StateContexts
-  (#static newDefaultInstance [] StateContext))
-
-(host.import: net/sandius/rembulan/env/RuntimeEnvironment)
-
-(host.import: net/sandius/rembulan/env/RuntimeEnvironments
-  (#static system [] RuntimeEnvironment))
-
-(host.import: net/sandius/rembulan/Table)
-
-(host.import: net/sandius/rembulan/lib/StandardLibrary
-  (#static in [RuntimeEnvironment] StandardLibrary)
-  (installInto [StateContext] Table))
-
-(host.import: net/sandius/rembulan/Variable
-  (new [Object]))
-
-(host.import: net/sandius/rembulan/runtime/LuaFunction)
-
-(host.import: net/sandius/rembulan/load/ChunkLoader
-  (loadTextChunk [Variable String String] LuaFunction))
-
-(host.import: net/sandius/rembulan/compiler/CompilerChunkLoader
-  (#static of [String] CompilerChunkLoader))
-
-(host.import: net/sandius/rembulan/exec/DirectCallExecutor
-  (#static newExecutor [] DirectCallExecutor)
-  (call [StateContext Object (Array Object)] (Array Object)))
-
-(type: #export Anchor [Text Register])
-
-(type: #export Host
-  {#context [Text Nat]
-   #anchor (Maybe Anchor)
-   #interpreter (-> Text (Error Any))
-   #module-buffer (Maybe StringBuilder)
-   #program-buffer StringBuilder})
-
-(def: #export init
-  (IO Host)
-  (io {#context ["" +0]
-       #anchor #.None
-       #interpreter (let [runtime-env (RuntimeEnvironments::system [])
-                          std-lib (StandardLibrary::in [runtime-env])
-                          state-context (StateContexts::newDefaultInstance [])
-                          table (StandardLibrary::installInto [state-context] std-lib)
-                          variable (Variable::new [table])
-                          loader (CompilerChunkLoader::of ["_lux_definition"])
-                          executor (DirectCallExecutor::newExecutor [])]
-                      (function (_ code)
-                        (let [lua-function (ChunkLoader::loadTextChunk [variable "lux compilation" code]
-                                                                       loader)]
-                          ("lux try" (io (DirectCallExecutor::call [state-context (:coerce Object lua-function) (array.new +0)]
-                                                                   executor))))))
-       #module-buffer #.None
-       #program-buffer (StringBuilder::new [])}))
-
-(def: #export lua-module-name Text "module.lua")
-
-(def: #export init-module-buffer
-  (Meta Any)
-  (function (_ compiler)
-    (#e.Success [(update@ #.host
-                          (|>> (:coerce Host)
-                               (set@ #module-buffer (#.Some (StringBuilder::new [])))
-                               (:coerce Nothing))
-                          compiler)
-                 []])))
-
-(def: #export (with-sub-context expr)
-  (All [a] (-> (Meta a) (Meta [Text a])))
-  (function (_ compiler)
-    (let [old (:coerce Host (get@ #.host compiler))
-          [old-name old-sub] (get@ #context old)
-          new-name (format old-name "___" (%i (.int old-sub)))]
-      (case (expr (set@ #.host
-                        (:coerce Nothing (set@ #context [new-name +0] old))
-                        compiler))
-        (#e.Success [compiler' output])
-        (#e.Success [(update@ #.host
-                              (|>> (:coerce Host)
-                                   (set@ #context [old-name (inc old-sub)])
-                                   (:coerce Nothing))
-                              compiler')
-                     [new-name output]])
-
-        (#e.Error error)
-        (#e.Error error)))))
-
-(def: #export context
-  (Meta Text)
-  (function (_ compiler)
-    (#e.Success [compiler
-                 (|> (get@ #.host compiler)
-                     (:coerce Host)
-                     (get@ #context)
-                     (let> [name sub]
-                           name))])))
-
-(def: #export (with-anchor anchor expr)
-  (All [a] (-> Anchor (Meta a) (Meta a)))
-  (function (_ compiler)
-    (let [old (:coerce Host (get@ #.host compiler))]
-      (case (expr (set@ #.host
-                        (:coerce Nothing (set@ #anchor (#.Some anchor) old))
-                        compiler))
-        (#e.Success [compiler' output])
-        (#e.Success [(update@ #.host
-                              (|>> (:coerce Host)
-                                   (set@ #anchor (get@ #anchor old))
-                                   (:coerce Nothing))
-                              compiler')
-                     output])
-
-        (#e.Error error)
-        (#e.Error error)))))
-
-(def: #export anchor
-  (Meta Anchor)
-  (function (_ compiler)
-    (case (|> compiler (get@ #.host) (:coerce Host) (get@ #anchor))
-      (#.Some anchor)
-      (#e.Success [compiler anchor])
-
-      #.None
-      ((lang.throw No-Anchor "") compiler))))
-
-(def: #export module-buffer
-  (Meta StringBuilder)
-  (function (_ compiler)
-    (case (|> compiler (get@ #.host) (:coerce Host) (get@ #module-buffer))
-      #.None
-      ((lang.throw No-Active-Module-Buffer "") compiler)
-      
-      (#.Some module-buffer)
-      (#e.Success [compiler module-buffer]))))
-
-(def: #export program-buffer
-  (Meta StringBuilder)
-  (function (_ compiler)
-    (#e.Success [compiler (|> compiler (get@ #.host) (:coerce Host) (get@ #program-buffer))])))
-
-(def: (execute code)
-  (-> Expression (Meta Any))
-  (function (_ compiler)
-    (let [interpreter (|> compiler (get@ #.host) (:coerce Host) (get@ #interpreter))]
-      (case (interpreter code)
-        (#e.Error error)
-        ((lang.throw Cannot-Execute error) compiler)
-        
-        (#e.Success _)
-        (#e.Success [compiler []])))))
-
-(def: #export variant-tag-field "_lux_tag")
-(def: #export variant-flag-field "_lux_flag")
-(def: #export variant-value-field "_lux_value")
-
-(def: #export unit Text "")
-
-(def: #export (definition-name [module name])
-  (-> Name Text)
-  (lang.normalize-name (format module "$" name)))
-
-(def: #export (save code)
-  (-> Lua (Meta Any))
-  (do macro.Monad<Meta>
-    [module-buffer module-buffer
-     #let [_ (Appendable::append [(:coerce CharSequence code)]
-                                 module-buffer)]]
-    (execute code)))
-
-(def: #export (save-module! target)
-  (-> File (Meta (Process Any)))
-  (do macro.Monad<Meta>
-    [module macro.current-module-name
-     module-buffer module-buffer
-     program-buffer program-buffer
-     #let [module-code (StringBuilder::toString [] module-buffer)
-           _ (Appendable::append [(:coerce CharSequence (format module-code "\n"))]
-                                 program-buffer)]]
-    (wrap (ioC.write target
-                     (format (lang.normalize-name module) "/" lua-module-name)
-                     (|> module-code
-                         (String::getBytes ["UTF-8"])
-                         e.assume)))))
diff --git a/new-luxc/source/luxc/lang/translation/lua/case.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/case.jvm.lux
deleted file mode 100644
index af4e61b7c..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/case.jvm.lux
+++ /dev/null
@@ -1,175 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do]
-                ["ex" exception #+ exception:])
-       (data text/format
-             (coll [list "list/" Fold<List>]))
-       [macro #+ "meta/" Monad<Meta>])
-  (luxc [lang]
-        (lang ["ls" synthesis]
-              (host [lua #+ Lua Expression Statement])))
-  [//]
-  (// [".T" runtime]
-      [".T" primitive]
-      [".T" reference]))
-
-(def: (expression-block body)
-  (-> Statement Expression)
-  (lua.apply (lua.function (list)
-               body)
-             (list)))
-
-(def: #export (translate-let translate register valueS bodyS)
-  (-> (-> ls.Synthesis (Meta Expression)) Nat ls.Synthesis ls.Synthesis
-      (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueO (translate valueS)
-     bodyO (translate bodyS)]
-    (wrap (expression-block
-           (lua.block! (list (lua.local! (referenceT.variable register) (#.Some valueO))
-                             (lua.return! bodyO)))))))
-
-(def: #export (translate-record-get translate valueS path)
-  (-> (-> ls.Synthesis (Meta Expression)) ls.Synthesis (List [Nat Bit])
-      (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueO (translate valueS)]
-    (wrap (list/fold (function (_ [idx tail?] source)
-                       (let [method (if tail?
-                                      runtimeT.product//right
-                                      runtimeT.product//left)]
-                         (method source (lua.int (:coerce Int idx)))))
-                     valueO
-                     path))))
-
-(def: #export (translate-if testO thenO elseO)
-  (-> Expression Expression Expression Expression)
-  (expression-block
-   (lua.if! testO
-            (lua.return! thenO)
-            (lua.return! elseO))))
-
-(def: savepoint
-  Expression
-  "pm_cursor_savepoint")
-
-(def: cursor
-  Expression
-  "pm_cursor")
-
-(def: (push-cursor! value)
-  (-> Expression Expression)
-  (lua.apply "table.insert" (list cursor value)))
-
-(def: save-cursor!
-  Statement
-  (lua.apply "table.insert" (list savepoint (runtimeT.array//copy cursor))))
-
-(def: restore-cursor!
-  Statement
-  (lua.set! cursor (lua.apply "table.remove" (list savepoint))))
-
-(def: cursor-top
-  Expression
-  (lua.nth (lua.length cursor) cursor))
-
-(def: pop-cursor!
-  Statement
-  (lua.apply "table.remove" (list cursor)))
-
-(def: pm-error
-  Expression
-  (lua.string "PM-ERROR"))
-
-(exception: #export (Unrecognized-Path {message Text})
-  message)
-
-(def: (translate-pattern-matching' translate path)
-  (-> (-> ls.Synthesis (Meta Expression)) Code (Meta Expression))
-  (case path
-    (^code ("lux case exec" (~ bodyS)))
-    (do macro.Monad<Meta>
-      [bodyO (translate bodyS)]
-      (wrap (lua.return! bodyO)))
-
-    (^code ("lux case pop"))
-    (meta/wrap pop-cursor!)
-
-    (^code ("lux case bind" (~ [_ (#.Nat register)])))
-    (meta/wrap (lua.local! (referenceT.variable register) (#.Some cursor-top)))
-
-    (^template [<tag> <format>]
-      [_ (<tag> value)]
-      (meta/wrap (lua.when! (lua.not (lua.= (|> value <format>) cursor-top))
-                            (lua.return! pm-error))))
-    ([#.Nat  (<| lua.int (:coerce Int))]
-     [#.Int  lua.int]
-     [#.Rev  (<| lua.int (:coerce Int))]
-     [#.Bit lua.bool]
-     [#.Frac lua.float]
-     [#.Text lua.string])
-
-    (^template [<pm> <getter>]
-      (^code (<pm> (~ [_ (#.Nat idx)])))
-      (meta/wrap (push-cursor! (<getter> cursor-top (lua.int (:coerce Int idx))))))
-    (["lux case tuple left" runtimeT.product//left]
-     ["lux case tuple right" runtimeT.product//right])
-
-    (^template [<pm> <flag>]
-      (^code (<pm> (~ [_ (#.Nat idx)])))
-      (meta/wrap (lua.block! (list (lua.set! "temp" (runtimeT.sum//get cursor-top (lua.int (:coerce Int idx)) <flag>))
-                                   (lua.if! (lua.= lua.nil "temp")
-                                            (lua.return! pm-error)
-                                            (push-cursor! "temp"))))))
-    (["lux case variant left" lua.nil]
-     ["lux case variant right" (lua.string "")])
-
-    (^code ("lux case seq" (~ leftP) (~ rightP)))
-    (do macro.Monad<Meta>
-      [leftO (translate-pattern-matching' translate leftP)
-       rightO (translate-pattern-matching' translate rightP)]
-      (wrap (lua.block! (list 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 (lua.block! (list (format "local alt_success, alt_value = " (lua.apply "pcall" (list (lua.function (list)
-                                                                                                   (lua.block! (list save-cursor!
-                                                                                                                     leftO))))) ";")
-                              (lua.if! "alt_success"
-                                       (lua.return! "alt_value")
-                                       (lua.if! (lua.= pm-error "alt_value")
-                                                (lua.block! (list restore-cursor!
-                                                                  rightO))
-                                                (lua.error "alt_value")))))))
-
-    _
-    (lang.throw Unrecognized-Path (%code path))
-    ))
-
-(def: (translate-pattern-matching translate path)
-  (-> (-> ls.Synthesis (Meta Expression)) Code (Meta Expression))
-  (do macro.Monad<Meta>
-    [pattern-matching (translate-pattern-matching' translate path)]
-    (wrap (lua.block! (list (format "local success, value = pcall(function () " pattern-matching " end);")
-                            (lua.if! "success"
-                                     (lua.return! "value")
-                                     (lua.if! (lua.= pm-error "value")
-                                              (lua.error (lua.string "Invalid expression for pattern-matching."))
-                                              (lua.error "value"))))))))
-
-(def: (initialize-pattern-matching stack-init)
-  (-> Expression Statement)
-  (lua.block! (list (lua.local! "temp" #.None)
-                    (lua.local! cursor (#.Some (lua.array (list stack-init))))
-                    (lua.local! savepoint (#.Some (lua.array (list)))))))
-
-(def: #export (translate-case translate valueS path)
-  (-> (-> ls.Synthesis (Meta Expression)) ls.Synthesis Code (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueO (translate valueS)
-     pattern-matching (translate-pattern-matching translate path)]
-    (wrap (expression-block
-           (lua.block! (list (initialize-pattern-matching valueO)
-                             pattern-matching))))))
diff --git a/new-luxc/source/luxc/lang/translation/lua/eval.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/eval.jvm.lux
deleted file mode 100644
index 17596ffa7..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/eval.jvm.lux
+++ /dev/null
@@ -1,125 +0,0 @@
-(.module:
-  lux
-  (lux (control ["ex" exception #+ exception:])
-       (data [bit]
-             [maybe]
-             ["e" error #+ Error]
-             text/format
-             (coll [array]))
-       [host])
-  (luxc [lang]
-        (lang (host [lua #+ Lua Expression Statement])))
-  [//])
-
-(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: net/sandius/rembulan/ByteString
-  (decode [] String))
-
-(host.import: net/sandius/rembulan/Table
-  (rawget #as get-idx [long] #? Object)
-  (rawget #as get-key [Object] #? Object)
-  (rawlen [] long))
-
-(host.import: net/sandius/rembulan/impl/DefaultTable)
-
-(def: (variant lux-object host-object)
-  (-> (-> Object (Error Any)) DefaultTable (Maybe Any))
-  (case [(Table::get-key [//.variant-tag-field] host-object)
-         (Table::get-key [//.variant-flag-field] host-object)
-         (Table::get-key [//.variant-value-field] host-object)]
-    (^multi [(#.Some tag) ?flag (#.Some value)]
-            [(lux-object value)
-             (#.Some value)])
-    (#.Some [(Long::intValue [] (:coerce Long tag))
-             (: Any (case ?flag (#.Some _) "" #.None (host.null)))
-             value])
-
-    _
-    #.None))
-
-(def: (array lux-object host-object)
-  (-> (-> Object (Error Any)) DefaultTable (Maybe (Array Object)))
-  (let [init-num-keys (:coerce Nat (Table::rawlen [] host-object))]
-    (loop [num-keys init-num-keys
-           idx +0
-           output (: (Array Object)
-                     (array.new init-num-keys))]
-      (if (n/< num-keys idx)
-        (case (Table::get-idx (:coerce Long (inc idx)) host-object)
-          (#.Some member)
-          (case (lux-object member)
-            (#e.Success parsed-member)
-            (recur num-keys (inc idx) (array.write idx (:coerce Object parsed-member) output))
-
-            (#e.Error error)
-            #.None)
-
-          #.None
-          (recur num-keys (inc idx) output))
-        (#.Some output)))))
-
-(def: (lux-object host-object)
-  (-> Object (Error Any))
-  (cond (host.null? host-object)
-        (ex.throw Null-Has-No-Lux-Representation "")
-
-        (or (host.instance? java/lang/Boolean host-object)
-            (host.instance? java/lang/Long host-object)
-            (host.instance? java/lang/Double host-object)
-            (host.instance? java/lang/String host-object))
-        (ex.return host-object)
-
-        (host.instance? ByteString host-object)
-        (ex.return (ByteString::decode [] (:coerce ByteString host-object)))
-
-        (host.instance? DefaultTable host-object)
-        (let [host-object (:coerce DefaultTable host-object)]
-          (case (variant lux-object host-object)
-            (#.Some value)
-            (ex.return value)
-
-            #.None
-            (case (array lux-object host-object)
-              (#.Some value)
-              (ex.return value)
-
-              #.None
-              (ex.throw Unknown-Kind-Of-Host-Object (format "SECOND " (Object::toString [] (:coerce Object host-object)))))))
-
-        ## else
-        (ex.throw Unknown-Kind-Of-Host-Object (format "FIRST " (Object::toString [] (:coerce Object host-object))))
-        ))
-
-(def: #export (eval code)
-  (-> Expression (Meta Any))
-  (function (_ compiler)
-    (let [interpreter (|> compiler (get@ #.host) (:coerce //.Host) (get@ #//.interpreter))]
-      (case (interpreter (format "return " code ";"))
-        (#e.Error error)
-        ((lang.throw Cannot-Evaluate error) compiler)
-
-        (#e.Success output)
-        (case (lux-object (|> output
-                              (:coerce (Array Object))
-                              (array.read +0)
-                              maybe.assume))
-          (#e.Success parsed-output)
-          (#e.Success [compiler parsed-output])
-
-          (#e.Error error)
-          ((lang.throw Cannot-Evaluate error) compiler))))))
diff --git a/new-luxc/source/luxc/lang/translation/lua/expression.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/expression.jvm.lux
deleted file mode 100644
index 6597364bb..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/expression.jvm.lux
+++ /dev/null
@@ -1,88 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do]
-                ["ex" exception #+ exception:]
-                ["p" parser])
-       (data ["e" error]
-             text/format)
-       [macro]
-       (macro ["s" syntax]))
-  (luxc ["&" lang]
-        (lang [".L" variable #+ Variable Register]
-              [".L" extension]
-              ["ls" synthesis]
-              (host [lua #+ Lua Expression Statement])))
-  [//]
-  (// [".T" runtime]
-      [".T" primitive]
-      [".T" structure]
-      [".T" reference]
-      [".T" function]
-      [".T" loop]
-      [".T" case]
-      [".T" procedure]))
-
-(template [<name>]
-  [(exception: #export (<name> {message Text})
-     message)]
-
-  [Invalid-Function-Syntax]
-  [Unrecognized-Synthesis]
-  )
-
-(def: #export (translate synthesis)
-  (-> ls.Synthesis (Meta Expression))
-  (case synthesis
-    (^code [])
-    (:: macro.Monad<Meta> wrap runtimeT.unit)
-
-    (^code [(~ singleton)])
-    (translate singleton)
-
-    (^template [<tag> <generator>]
-      [_ (<tag> value)]
-      (<generator> value))
-    ([#.Bit primitiveT.translate-bit]
-     [#.Nat  primitiveT.translate-nat]
-     [#.Int  primitiveT.translate-int]
-     [#.Rev  primitiveT.translate-rev]
-     [#.Frac primitiveT.translate-frac]
-     [#.Text primitiveT.translate-text])
-
-    (^code ((~ [_ (#.Nat tag)]) (~ [_ (#.Bit last?)]) (~ valueS)))
-    (structureT.translate-variant translate tag last? valueS)
-
-    (^code [(~+ members)])
-    (structureT.translate-tuple translate members)
-
-    (^ [_ (#.Form (list [_ (#.Int var)]))])
-    (referenceT.translate-variable var)
-
-    [_ (#.Identifier definition)]
-    (referenceT.translate-definition definition)
-
-    (^code ("lux let" (~ [_ (#.Nat register)]) (~ inputS) (~ exprS)))
-    (caseT.translate-let translate register inputS exprS)
-
-    (^code ("lux case" (~ inputS) (~ pathPS)))
-    (caseT.translate-case translate inputS pathPS)
-
-    (^code ("lux function" (~ [_ (#.Nat arity)]) [(~+ environment)] (~ bodyS)))
-    (case (s.run environment (p.some s.int))
-      (#e.Success environment)
-      (functionT.translate-function translate environment arity bodyS)
-
-      _
-      (&.throw Invalid-Function-Syntax (%code synthesis)))
-
-    (^code ("lux call" (~ functionS) (~+ argsS)))
-    (functionT.translate-apply translate functionS argsS)
-
-    (^code ((~ [_ (#.Text procedure)]) (~+ argsS)))
-    (procedureT.translate-procedure translate procedure argsS)
-    ## (do macro.Monad<Meta>
-    ##   [translation (extensionL.find-translation procedure)]
-    ##   (translation argsS))
-
-    _
-    (&.throw Unrecognized-Synthesis (%code synthesis))))
diff --git a/new-luxc/source/luxc/lang/translation/lua/function.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/function.jvm.lux
deleted file mode 100644
index 451e9dbb4..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/function.jvm.lux
+++ /dev/null
@@ -1,82 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do])
-       (data [product]
-             [text]
-             text/format
-             (coll [list "list/" Functor<List>]))
-       [macro])
-  (luxc ["&" lang]
-        (lang ["ls" synthesis]
-              [".L" variable #+ Variable]
-              (host [lua #+ Lua Expression Statement])))
-  [//]
-  (// [".T" reference]
-      [".T" loop]
-      [".T" runtime]))
-
-(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 (lua.apply functionO argsO+))))
-
-(def: (input-declaration register)
-  (lua.local! (referenceT.variable (inc register))
-              (#.Some (lua.nth (|> register inc .int %i) "curried"))))
-
-(def: (with-closure function-name inits function-definition)
-  (-> Text (List Expression) Statement (Meta Expression))
-  (let [closure-name (format function-name "___CLOSURE")]
-    (case inits
-      #.Nil
-      (do macro.Monad<Meta>
-        [_ (//.save function-definition)]
-        (wrap function-name))
-
-      _
-      (do macro.Monad<Meta>
-        [_ (//.save (lua.function! closure-name
-                                   (|> (list.enumerate inits)
-                                       (list/map (|>> product.left referenceT.closure)))
-                                   (lua.block! (list function-definition
-                                                     (lua.return! function-name)))))]
-        (wrap (lua.apply closure-name inits))))))
-
-(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-initsO+ (|> (list.n/range +0 (dec arity))
-                            (list/map input-declaration))
-           selfO (lua.local! (referenceT.variable +0) (#.Some function-name))
-           arityO (|> arity .int %i)
-           pack (|>> (list) (lua.apply "table.pack"))]]
-    (with-closure function-name closureO+
-      (lua.function! function-name (list "...")
-                     (lua.block! (list (lua.local! "curried" (#.Some (pack "...")))
-                                       (lua.local! "num_args" (#.Some (lua.length "curried")))
-                                       (lua.if! (lua.= arityO "num_args")
-                                                (lua.block! (list selfO
-                                                                  (lua.block! args-initsO+)
-                                                                  (lua.while! (lua.bool #1)
-                                                                              (lua.return! bodyO))))
-                                                (let [unpack (|>> (list) (lua.apply "table.unpack"))
-                                                      recur (|>> (list) (lua.apply function-name))]
-                                                  (lua.if! (lua.> arityO "num_args")
-                                                           (let [slice (function (_ from to)
-                                                                         (runtimeT.array//sub "curried" from to))
-                                                                 arity-args (unpack (slice (lua.int 1) arityO))
-                                                                 output-func-args (unpack (slice (lua.+ (lua.int 1) arityO) "num_args"))]
-                                                             (lua.return! (lua.apply (recur arity-args)
-                                                                                     (list output-func-args))))
-                                                           (lua.return! (lua.function (list "...")
-                                                                          (lua.return! (recur (unpack (runtimeT.array//concat "curried" (pack "..."))))))))))))))))
diff --git a/new-luxc/source/luxc/lang/translation/lua/loop.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/loop.jvm.lux
deleted file mode 100644
index 4bad74069..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/loop.jvm.lux
+++ /dev/null
@@ -1,35 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do])
-       (data [text]
-             text/format
-             (coll [list "list/" Functor<List>]))
-       [macro])
-  (luxc [lang]
-        (lang ["ls" synthesis]
-              (host [lua #+ Lua 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 (:: @ map (|>> %code lang.normalize-name)
-                   (macro.gensym "loop"))
-     initsO+ (monad.map @ translate initsS+)
-     bodyO (//.with-anchor [loop-name offset]
-             (translate bodyS))
-     #let [registersO+ (|> (list.n/range +0 (dec (list.size initsS+)))
-                           (list/map (|>> (n/+ offset) referenceT.variable)))]
-     _ (//.save (lua.function! loop-name registersO+
-                               (lua.return! bodyO)))]
-    (wrap (lua.apply loop-name initsO+))))
-
-(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 (lua.apply loop-name argsO+))))
diff --git a/new-luxc/source/luxc/lang/translation/lua/primitive.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/primitive.jvm.lux
deleted file mode 100644
index 230498fcb..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/primitive.jvm.lux
+++ /dev/null
@@ -1,34 +0,0 @@
-(.module:
-  lux
-  (lux (control pipe)
-       (data [number]
-             text/format)
-       [macro "meta/" Monad<Meta>])
-  (luxc (lang (host [lua #+ Lua Expression Statement]))))
-
-(def: #export translate-bit
-  (-> Bit (Meta Expression))
-  (|>> lua.bool meta/wrap))
-
-(def: #export translate-int
-  (-> Int (Meta Expression))
-  (|>> lua.int meta/wrap))
-
-(def: #export translate-frac
-  (-> Frac (Meta Expression))
-  (|>> (cond> [(f/= number.positive-infinity)]
-              [(new> "math.huge")]
-              
-              [(f/= number.negative-infinity)]
-              [(new> "(-1 * math.huge)")]
-              
-              [(f/= number.not-a-number)]
-              [(new> "(0/0)")]
-              
-              ## else
-              [%f])
-       meta/wrap))
-
-(def: #export translate-text
-  (-> Text (Meta Expression))
-  (|>> %t meta/wrap))
diff --git a/new-luxc/source/luxc/lang/translation/lua/procedure/common.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/procedure/common.jvm.lux
deleted file mode 100644
index 2f1b652e3..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/procedure/common.jvm.lux
+++ /dev/null
@@ -1,374 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do]
-                ["ex" exception #+ exception:]
-                ["p" parser])
-       (data ["e" error]
-             [text]
-             text/format
-             (coll [list "list/" Functor<List>]
-                   (dictionary ["dict" unordered #+ Dict])))
-       [macro #+ with-gensyms]
-       (macro [code]
-              ["s" syntax #+ syntax:])
-       [host])
-  (luxc ["&" lang]
-        (lang ["la" analysis]
-              ["ls" synthesis]
-              (host [lua #+ Lua 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 .int %i) "\n"
-          "  Actual: " (|> actual .int %i)))
-
-(syntax: (arity: {name s.local-identifier} {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-identifier 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
-  (lua.= leftO rightO))
-
-(def: (lux//if [testO thenO elseO])
-  Trinary
-  (caseT.translate-if testO thenO elseO))
-
-(def: (lux//try riskyO)
-  Unary
-  (runtimeT.lux//try riskyO))
-
-(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))))
-
-## [[Bits]]
-(template [<name> <op>]
-  [(def: (<name> [subjectO paramO])
-     Binary
-     (<op> paramO subjectO))]
-
-  [bit//and lua.bit-and]
-  [bit//or  lua.bit-or]
-  [bit//xor lua.bit-xor]
-  )
-
-(template [<name> <op>]
-  [(def: (<name> [subjectO paramO])
-     Binary
-     (<op> paramO subjectO))]
-
-  [bit//left-shift           lua.bit-shl]
-  [bit//arithmetic-right-shift          lua.bit-shr]
-  [bit//logical-right-shift  runtimeT.bit//logical-right-shift]
-  )
-
-## [[Numbers]]
-(host.import: java/lang/Double
-  (#static MIN_VALUE Double)
-  (#static MAX_VALUE Double)
-  (#static NaN Double)
-  (#static POSITIVE_INFINITY Double)
-  (#static NEGATIVE_INFINITY Double))
-
-(template [<name> <const> <encode>]
-  [(def: (<name> _)
-     Nullary
-     (<encode> <const>))]
-
-  [frac//smallest          Double::MIN_VALUE            lua.float]
-  [frac//min               (f/* -1.0 Double::MAX_VALUE) lua.float]
-  [frac//max               Double::MAX_VALUE            lua.float]
-  )
-
-(template [<name> <op>]
-  [(def: (<name> [subjectO paramO])
-     Binary
-     (<op> paramO subjectO))]
-
-  [int//add        lua.+]
-  [int//sub        lua.-]
-  [int//mul        lua.*]
-  [int//div        lua.//]
-  [int//rem        lua.%]
-  )
-
-(template [<name> <op>]
-  [(def: (<name> [subjectO paramO])
-     Binary
-     (<op> paramO subjectO))]
-
-  [frac//add lua.+]
-  [frac//sub lua.-]
-  [frac//mul lua.*]
-  [frac//div lua./]
-  [frac//rem lua.%]
-  [frac//=   lua.=]
-  [frac//<   lua.<]
-
-  [text//=   lua.=]
-  [text//<   lua.<]
-  )
-
-(template [<name> <cmp>]
-  [(def: (<name> [subjectO paramO])
-     Binary
-     (<cmp> paramO subjectO))]
-
-  [int//= lua.=]
-  [int//< lua.<]
-  )
-
-(def: frac//encode
-  Unary
-  (|>> (list) (lua.apply "tostring")))
-
-(def: (frac//decode inputO)
-  Unary
-  (lux//try (lua.function (list)
-              (lua.return! (lua.apply "tonumber" (list inputO))))))
-
-(template [<name> <divisor>]
-  [(def: (<name> inputO)
-     Unary
-     (lua./ <divisor> inputO))]
-
-  [int//to-frac (lua.float 1.0)]
-  )
-
-(template [<name> <transform>]
-  [(def: (<name> inputO)
-     Unary
-     (|> inputO <transform>))]
-
-  [frac//to-int (<| (lua.apply "math.floor") (list))]
-  )
-
-(def: int//char
-  Unary
-  (|>> (list) (lua.apply "string.char")))
-
-## [[Text]]
-(template [<name> <op>]
-  [(def: <name>
-     Unary
-     (|>> (list) (lua.apply <op>)))]
-
-  [text//size  "string.len"]
-  )
-
-(def: (text//concat [subjectO paramO])
-  Binary
-  (format "(" subjectO " .. " paramO ")"))
-
-(def: (text//char [subjectO paramO])
-  Binary
-  (runtimeT.text//char subjectO paramO))
-
-(template [<name> <runtime>]
-  [(def: (<name> [subjectO paramO extraO])
-     Trinary
-     (<runtime> subjectO paramO extraO))]
-
-  [text//clip  runtimeT.text//clip]
-  [text//index runtimeT.text//index]
-  )
-
-## [[IO]]
-(def: (io//log messageO)
-  Unary
-  (lua.or (lua.apply "print" (list messageO))
-          runtimeT.unit))
-
-(def: io//error
-  Unary
-  lua.error)
-
-(def: io//exit
-  Unary
-  (|>> (list) (lua.apply "os.exit")))
-
-(def: (io//current-time [])
-  Nullary
-  (|> (lua.apply "os.time" (list))
-      (lua.* (lua.int 1,000))))
-
-## [Bundles]
-(def: lux-procs
-  Bundle
-  (|> (dict.new text.Hash<Text>)
-      (install "is" (binary lux//is))
-      (install "try" (unary lux//try))
-      (install "if" (trinary lux//if))
-      (install "loop" lux//loop)
-      (install "recur" lux//recur)
-      ))
-
-(def: bit-procs
-  Bundle
-  (<| (prefix "bit")
-      (|> (dict.new text.Hash<Text>)
-          (install "and" (binary bit//and))
-          (install "or" (binary bit//or))
-          (install "xor" (binary bit//xor))
-          (install "left-shift" (binary bit//left-shift))
-          (install "logical-right-shift" (binary bit//logical-right-shift))
-          (install "arithmetic-right-shift" (binary bit//arithmetic-right-shift))
-          )))
-
-(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 "to-frac" (unary int//to-frac))
-          (install "char" (unary int//char)))))
-
-(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 "to-int" (unary frac//to-int))
-          (install "encode" (unary frac//encode))
-          (install "decode" (unary frac//decode)))))
-
-(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 text//size))
-          (install "char" (binary text//char))
-          (install "clip" (trinary text//clip))
-          )))
-
-(def: io-procs
-  Bundle
-  (<| (prefix "io")
-      (|> (dict.new text.Hash<Text>)
-          (install "log" (unary io//log))
-          (install "error" (unary io//error))
-          (install "exit" (unary io//exit))
-          (install "current-time" (nullary io//current-time)))))
-
-(def: #export procedures
-  Bundle
-  (<| (prefix "lux")
-      (|> lux-procs
-          (dict.merge bit-procs)
-          (dict.merge int-procs)
-          (dict.merge frac-procs)
-          (dict.merge text-procs)
-          (dict.merge io-procs)
-          )))
diff --git a/new-luxc/source/luxc/lang/translation/lua/procedure/host.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/procedure/host.jvm.lux
deleted file mode 100644
index f53f3ba05..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/procedure/host.jvm.lux
+++ /dev/null
@@ -1,87 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do])
-       (data [text]
-             text/format
-             (coll [list "list/" Functor<List>]
-                   (dictionary ["dict" unordered #+ Dict])))
-       [macro "macro/" Monad<Meta>])
-  (luxc ["&" lang]
-        (lang ["la" analysis]
-              ["ls" synthesis]
-              (host [lua #+ Lua Expression Statement])))
-  [///]
-  (/// [".T" runtime])
-  (// ["@" common]))
-
-(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")
-      (|> lua-procs
-          (dict.merge table-procs))))
diff --git a/new-luxc/source/luxc/lang/translation/lua/reference.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/reference.jvm.lux
deleted file mode 100644
index ea3f8e604..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/reference.jvm.lux
+++ /dev/null
@@ -1,36 +0,0 @@
-(.module:
-  lux
-  (lux [macro]
-       (data [text]
-             text/format))
-  (luxc ["&" lang]
-        (lang [".L" variable #+ Variable Register]
-              (host [lua #+ Lua Expression Statement])))
-  [//]
-  (// [".T" runtime]))
-
-(template [<register> <translation> <prefix>]
-  [(def: #export (<register> register)
-     (-> Register Expression)
-     (format <prefix> (%i (.int register))))
-   
-   (def: #export (<translation> register)
-     (-> Register (Meta Expression))
-     (:: macro.Monad<Meta> wrap (<register> register)))]
-
-  [closure  translate-captured "c"]
-  [variable translate-local    "v"])
-
-(def: #export (translate-variable var)
-  (-> Variable (Meta Expression))
-  (if (variableL.captured? var)
-    (translate-captured (variableL.captured-register var))
-    (translate-local (.nat var))))
-
-(def: #export global
-  (-> Name Expression)
-  //.definition-name)
-
-(def: #export (translate-definition name)
-  (-> Name (Meta Expression))
-  (:: macro.Monad<Meta> wrap (global name)))
diff --git a/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux
deleted file mode 100644
index ce9c37db5..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/runtime.jvm.lux
+++ /dev/null
@@ -1,293 +0,0 @@
-(.module:
-  lux
-  (lux (control ["p" parser "p/" Monad<Parser>]
-                [monad #+ do])
-       (data text/format
-             (coll [list "list/" Monad<List>]))
-       [macro]
-       (macro [code]
-              ["s" syntax #+ syntax:])
-       [io #+ Process])
-  [//]
-  (luxc [lang]
-        (lang (host [lua #+ Lua Expression Statement]))))
-
-(def: prefix Text "LuxRuntime")
-
-(def: #export unit Expression (%t //.unit))
-
-(def: (flag value)
-  (-> Bit Lua)
-  (if value
-    (lua.string "")
-    lua.nil))
-
-(def: (variant' tag last? value)
-  (-> Expression Expression Expression Expression)
-  (lua.table (list [//.variant-tag-field tag]
-                   [//.variant-flag-field last?]
-                   [//.variant-value-field value])))
-
-(def: #export (variant tag last? value)
-  (-> Nat Bit Expression Expression)
-  (variant' (%i (.int tag)) (flag last?) value))
-
-(def: none
-  Expression
-  (variant +0 #0 unit))
-
-(def: some
-  (-> Expression Expression)
-  (variant +1 #1))
-
-(def: left
-  (-> Expression Expression)
-  (variant +0 #0))
-
-(def: right
-  (-> Expression Expression)
-  (variant +1 #1))
-
-(type: Runtime Lua)
-
-(def: declaration
-  (s.Syntax [Text (List Text)])
-  (p.either (p.seq s.local-identifier (p/wrap (list)))
-            (s.form (p.seq s.local-identifier (p.some s.local-identifier)))))
-
-(syntax: (runtime: {[name args] declaration}
-           definition)
-  (let [implementation (code.local-identifier (format "@@" name))
-        runtime (code.text (format "__" prefix "__" (lang.normalize-name name)))
-        argsC+ (list/map code.local-identifier args)
-        argsLC+ (list/map (|>> lang.normalize-name code.text) args)
-        declaration (` ((~ (code.local-identifier name))
-                        (~+ argsC+)))
-        type (` (-> (~+ (list.repeat (list.size argsC+) (` lua.Lua)))
-                    lua.Lua))]
-    (wrap (list (` (def: #export (~ declaration)
-                     (~ type)
-                     (lua.apply (~ runtime) (list (~+ argsC+)))))
-                (` (def: (~ implementation)
-                     Lua
-                     (~ (case argsC+
-                          #.Nil
-                          (` (lua.global! (~ runtime) (#.Some (~ definition))))
-
-                          _
-                          (` (let [(~' @) (~ runtime)
-                                   (~+ (|> (list.zip2 argsC+ argsLC+)
-                                           (list/map (function (_ [left right]) (list left right)))
-                                           list/join))]
-                               (lua.function! (~ runtime) (list (~+ argsLC+))
-                                              (~ definition))))))))))))
-
-(runtime: (array//copy array)
-  (lua.block! (list (lua.local! "temp" (#.Some (lua.array (list))))
-                    (lua.for-step! "idx" (lua.int 1) (lua.length array) (lua.int 1)
-                                   (lua.apply "table.insert" (list "temp" (lua.nth "idx" array))))
-                    (lua.return! "temp"))))
-
-(runtime: (array//sub array from to)
-  (lua.block! (list (lua.local! "temp" (#.Some (lua.array (list))))
-                    (lua.for-step! "idx" from to (lua.int 1)
-                                   (lua.apply "table.insert" (list "temp" (lua.nth "idx" array))))
-                    (lua.return! "temp"))))
-
-(runtime: (array//concat left right)
-  (let [copy! (function (_ input output)
-                (lua.for-step! "idx" (lua.int 1) (format input ".n") (lua.int 1)
-                               (lua.apply "table.insert" (list output (lua.nth "idx" input)))))]
-    (lua.block! (list (lua.local! "temp" (#.Some (lua.array (list))))
-                      (copy! left "temp")
-                      (copy! right "temp")
-                      (lua.return! "temp")))))
-
-(runtime: (lux//try op)
-  (lua.block! (list (format "local success, value = " (lua.apply "pcall" (list (lua.function (list) (lua.return! (lua.apply op (list unit)))))) ";")
-                    (lua.if! "success"
-                             (lua.return! (right "value"))
-                             (lua.return! (left "value"))))))
-
-(runtime: (lux//program-args program-args)
-  (lua.block! (list (lua.local! "inputs" (#.Some none))
-                    (lua.for-step! "idx" (lua.length program-args) (lua.int 1) (lua.int -1)
-                                   (lua.set! "inputs" (some (lua.array (list (lua.nth "idx" program-args)
-                                                                             "inputs")))))
-                    (lua.return! "inputs"))))
-
-(def: runtime//lux
-  Runtime
-  (format @@lux//try
-          @@lux//program-args))
-
-(runtime: (product//left product index)
-  (lua.block! (list (lua.local! "index_min_length" (#.Some (lua.+ (lua.int 1) index)))
-                    (lua.if! (lua.>= "index_min_length" (lua.length product))
-                             ## No need for recursion
-                             (lua.return! (lua.nth "index_min_length" product))
-                             ## Needs recursion
-                             (lua.return! (product//left (lua.nth (lua.length product)
-                                                                  product)
-                                                         (lua.- (lua.length product)
-                                                                "index_min_length")))))))
-
-(runtime: (product//right product index)
-  (lua.block! (list (lua.local! "index_min_length" (#.Some (lua.+ (lua.int 1) index)))
-                    (lua.cond! (list [(lua.= "index_min_length" (lua.length product))
-                                      ## Last element.
-                                      (lua.return! (lua.nth "index_min_length" product))]
-                                     [(lua.< "index_min_length" (lua.length product))
-                                      ## Needs recursion
-                                      (lua.return! (product//right (lua.nth (lua.length product)
-                                                                            product)
-                                                                   (lua.- (lua.length product)
-                                                                          "index_min_length")))])
-                               ## Must slice
-                               (lua.return! (array//sub product "index_min_length" (lua.length product)))))))
-
-(runtime: (sum//get sum wantedTag wantsLast)
-  (let [no-match! (lua.return! lua.nil)
-        sum-tag (format "sum." //.variant-tag-field)
-        sum-flag (format "sum." //.variant-flag-field)
-        sum-value (format "sum." //.variant-value-field)
-        is-last? (lua.= (lua.string "") sum-flag)
-        test-recursion! (lua.if! is-last?
-                                 ## Must recurse.
-                                 (lua.return! (sum//get sum-value (lua.- sum-tag wantedTag) wantsLast))
-                                 no-match!)]
-    (lua.cond! (list [(lua.= sum-tag wantedTag)
-                      (lua.if! (lua.= wantsLast sum-flag)
-                               (lua.return! sum-value)
-                               test-recursion!)]
-
-                     [(lua.> sum-tag wantedTag)
-                      test-recursion!]
-
-                     [(lua.and (lua.< sum-tag wantedTag)
-                               (lua.= (lua.string "") wantsLast))
-                      (lua.return! (variant' (lua.- wantedTag sum-tag) sum-flag sum-value))])
-
-               no-match!)))
-
-(def: runtime//adt
-  Runtime
-  (format @@product//left
-          @@product//right
-          @@sum//get))
-
-(runtime: (bit//logical-right-shift param subject)
-  (let [mask (|> (lua.int 1)
-                 (lua.bit-shl (lua.- param (lua.int 64)))
-                 (lua.- (lua.int 1)))]
-    (lua.return! (|> subject
-                     (lua.bit-shr param)
-                     (lua.bit-and mask)))))
-
-(def: runtime//bit
-  Runtime
-  @@bit//logical-right-shift)
-
-(runtime: (text//index subject param start)
-  (lua.block! (list (lua.local! "idx" (#.Some (lua.apply "string.find" (list subject param start (lua.bool #1)))))
-                    (lua.if! (lua.= lua.nil "idx")
-                             (lua.return! none)
-                             (lua.return! (some "idx"))))))
-
-(runtime: (text//clip text from to)
-  (lua.block! (list (lua.local! "size" (#.Some (lua.apply "string.len" (list text))))
-                    (lua.if! (lua.or (lua.> "size" from)
-                                     (lua.> "size" to))
-                             (lua.return! none)
-                             (lua.return! (some (lua.apply "string.sub" (list text from to))))))))
-
-(runtime: (text//char text idx)
-  (lua.block! (list (lua.local! "char" (#.Some (lua.apply "string.byte" (list text idx))))
-                    (lua.if! (lua.= lua.nil "char")
-                             (lua.return! none)
-                             (lua.return! (some "char"))))))
-
-(def: runtime//text
-  Runtime
-  (format @@text//index
-          @@text//clip
-          @@text//char))
-
-(def: (check-index-out-of-bounds array idx body!)
-  (-> Expression Expression Statement Statement)
-  (lua.if! (lua.<= (lua.length array)
-                   idx)
-           body!
-           (lua.error (lua.string "Array index out of bounds!"))))
-
-(runtime: (array//new size)
-  (lua.block! (list (lua.local! "output" (#.Some (lua.array (list))))
-                    (lua.for-step! "idx" (lua.int 1) size (lua.int 1)
-                                   (lua.apply "table.insert" (list "output" unit)))
-                    (lua.return! "output"))))
-
-(runtime: (array//get array idx)
-  (<| (check-index-out-of-bounds array idx)
-      (lua.block! (list (lua.local! "temp" (#.Some (lua.nth idx array)))
-                        (lua.if! (lua.or (lua.= lua.nil "temp")
-                                         (lua.= unit "temp"))
-                                 (lua.return! none)
-                                 (lua.return! (some "temp")))))))
-
-(runtime: (array//put array idx value)
-  (<| (check-index-out-of-bounds array idx)
-      (lua.block! (list (lua.set! (lua.nth idx array) value)
-                        (lua.return! array)))))
-
-(def: runtime//array
-  Runtime
-  (format @@array//sub
-          @@array//concat
-          @@array//copy
-          @@array//new
-          @@array//get
-          @@array//put
-          ))
-
-(runtime: (box//write value box)
-  (lua.block! (list (lua.set! (lua.nth (lua.int 0) box)
-                              value)
-                    (lua.return! unit))))
-
-(def: runtime//box
-  Runtime
-  (format @@box//write))
-
-(runtime: (lua//get object field)
-  (lua.block! (list (lua.local! "value" (#.Some (lua.nth field object)))
-                    (lua.if! (lua.= lua.nil "value")
-                             (lua.return! none)
-                             (lua.return! (some "value"))))))
-
-(runtime: (lua//set object field value)
-  (lua.block! (list (lua.set! (lua.nth field object) value)
-                    (lua.return! object))))
-
-(def: runtime//lua
-  Runtime
-  (format @@lua//get
-          @@lua//set))
-
-(def: runtime
-  Runtime
-  (format runtime//lux
-          runtime//adt
-          runtime//bit
-          runtime//text
-          runtime//array
-          runtime//box
-          runtime//lua))
-
-(def: #export artifact Text (format prefix ".lua"))
-
-(def: #export translate
-  (Meta (Process Any))
-  (do macro.Monad<Meta>
-    [_ //.init-module-buffer
-     _ (//.save runtime)]
-    (//.save-module! artifact)))
diff --git a/new-luxc/source/luxc/lang/translation/lua/statement.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/statement.jvm.lux
deleted file mode 100644
index 9c0181c1b..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/statement.jvm.lux
+++ /dev/null
@@ -1,48 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do])
-       [macro]
-       (data text/format))
-  (luxc (lang [".L" module]
-              (host [lua #+ Lua Expression Statement])))
-  [//]
-  (// [".T" runtime]
-      [".T" reference]
-      [".T" eval]))
-
-(def: #export (translate-def name expressionT expressionO metaV)
-  (-> Text Type Expression Code (Meta Any))
-  (do macro.Monad<Meta>
-    [current-module macro.current-module-name
-     #let [def-name [current-module name]]]
-    (case (macro.get-identifier-ann (name-of #.alias) metaV)
-      (#.Some real-def)
-      (do @
-        [[realT realA realV] (macro.find-def real-def)
-         _ (moduleL.define def-name [realT metaV realV])]
-        (wrap []))
-
-      _
-      (do @
-        [#let [def-name (referenceT.global def-name)]
-         _ (//.save (lua.global! def-name (#.Some expressionO)))
-         expressionV (evalT.eval def-name)
-         _ (moduleL.define def-name [expressionT metaV expressionV])
-         _ (if (macro.type? metaV)
-             (case (macro.declared-tags metaV)
-               #.Nil
-               (wrap [])
-
-               tags
-               (moduleL.declare-tags tags (macro.export? metaV) (:coerce Type expressionV)))
-             (wrap []))
-         #let [_ (log! (format "DEF " (%name def-name)))]]
-        (wrap []))
-      )))
-
-(def: #export (translate-program programO)
-  (-> Expression (Meta Statement))
-  (macro.fail "translate-program NOT IMPLEMENTED YET")
-  ## (hostT.save (format "var " (referenceT.variable +0) " = " runtimeT.lux//program-args "();"
-  ##                     "(" programO ")(null);"))
-  )
diff --git a/new-luxc/source/luxc/lang/translation/lua/structure.jvm.lux b/new-luxc/source/luxc/lang/translation/lua/structure.jvm.lux
deleted file mode 100644
index b6eeaa013..000000000
--- a/new-luxc/source/luxc/lang/translation/lua/structure.jvm.lux
+++ /dev/null
@@ -1,31 +0,0 @@
-(.module:
-  lux
-  (lux (control [monad #+ do])
-       (data [text]
-             text/format)
-       [macro])
-  (luxc ["&" lang]
-        (lang [synthesis #+ Synthesis]
-              (host [js #+ JS 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 (format "{" (text.join-with "," elemsT+) "}")))))
-
-(def: #export (translate-variant translate tag tail? valueS)
-  (-> (-> Synthesis (Meta Expression)) Nat Bit Synthesis (Meta Expression))
-  (do macro.Monad<Meta>
-    [valueT (translate valueS)]
-    (wrap (runtimeT.variant tag tail? valueT))))
diff --git a/stdlib/source/lux/data/number/nat.lux b/stdlib/source/lux/data/number/nat.lux
index f5258db23..9212e0ad5 100644
--- a/stdlib/source/lux/data/number/nat.lux
+++ b/stdlib/source/lux/data/number/nat.lux
@@ -42,7 +42,7 @@
   (def: * n/*)
   (def: / n//)
   (def: % n/%)
-  (def: (negate value) (n/- (:: ..interval top) value))
+  (def: (negate value) (n/- value 0))
   (def: abs function.identity)
   (def: (signum x)
     (case x
diff --git a/stdlib/source/lux/host/lua.lux b/stdlib/source/lux/host/lua.lux
new file mode 100644
index 000000000..ca72f1678
--- /dev/null
+++ b/stdlib/source/lux/host/lua.lux
@@ -0,0 +1,308 @@
+(.module:
+  [lux (#- Code int if cond function or and not let)
+   [control
+    [pipe (#+ case> cond> new>)]]
+   [data
+    [number
+     ["." frac]]
+    ["." text
+     format]
+    [collection
+     ["." list ("#@." functor fold)]]]
+   [macro
+    ["." template]
+    ["." code]
+    ["s" syntax (#+ syntax:)]]
+   [type
+    abstract]])
+
+(def: input-separator ", ")
+(def: statement-suffix ";")
+
+(def: nest
+  (-> Text Text)
+  (|>> (format text.new-line)
+       (text.replace-all text.new-line (format text.new-line text.tab))))
+
+(abstract: #export (Code brand)
+  {}
+
+  Text
+
+  (def: #export manual
+    (-> Text Code)
+    (|>> :abstraction))
+
+  (def: #export code
+    (-> (Code Any) Text)
+    (|>> :representation))
+
+  (template [<type> <super>]
+    [(with-expansions [<brand> (template.identifier [<type> "'"])]
+       (`` (abstract: #export (<brand> brand) {} Any))
+       (`` (type: #export (<type> brand)
+             (<super> (<brand> brand)))))]
+    
+    [Expression Code]
+    [Computation Expression]
+    [Location Computation]
+    )
+
+  (template [<type> <super>]
+    [(with-expansions [<brand> (template.identifier [<type> "'"])]
+       (`` (abstract: #export <brand> {} Any))
+       (`` (type: #export <type> (<super> <brand>))))]
+
+    [Literal Computation]
+    [Var Location]
+    [Access Location]
+    [Statement Code]
+    )
+
+  (def: #export nil
+    Literal
+    (:abstraction "nil"))
+
+  (def: #export bool
+    (-> Bit Literal)
+    (|>> (case> #0 "false"
+                #1 "true")
+         :abstraction))
+
+  (def: #export (int value)
+    (-> Int Literal)
+    (:abstraction (.if (i/< +0 value)
+                    (%i value)
+                    (%n (.nat value)))))
+
+  (def: #export float
+    (-> Frac Literal)
+    (|>> (cond> [(f/= frac.positive-infinity)]
+                [(new> "(1.0/0.0)" [])]
+                
+                [(f/= frac.negative-infinity)]
+                [(new> "(-1.0/0.0)" [])]
+                
+                [(f/= frac.not-a-number)]
+                [(new> "(0.0/0.0)" [])]
+
+                ## else
+                [%f])
+         :abstraction))
+
+  (def: sanitize
+    (-> Text Text)
+    (`` (|>> (~~ (template [<find> <replace>]
+                   [(text.replace-all <find> <replace>)]
+
+                   ["\" "\\"]
+                   [text.tab "\t"]
+                   [text.vertical-tab "\v"]
+                   [text.null "\0"]
+                   [text.back-space "\b"]
+                   [text.form-feed "\f"]
+                   [text.new-line "\n"]
+                   [text.carriage-return "\r"]
+                   [text.double-quote (format "\" text.double-quote)]
+                   ))
+             )))
+
+  (def: #export string
+    (-> Text Literal)
+    (|>> ..sanitize (text.enclose' text.double-quote) :abstraction))
+
+  (def: #export array
+    (-> (List (Expression Any)) Literal)
+    (|>> (list@map ..code)
+         (text.join-with ..input-separator)
+         (text.enclose ["{" "}"])
+         :abstraction))
+
+  (def: #export table
+    (-> (List [Text (Expression Any)]) Literal)
+    (|>> (list@map (.function (_ [key value])
+                     (format key " = " (:representation value))))
+         (text.join-with ..input-separator)
+         (text.enclose ["{" "}"])
+         :abstraction))
+
+  (def: #export (nth idx array)
+    (-> (Expression Any) (Expression Any) Access)
+    (:abstraction (format (:representation array) "[" (:representation idx) "]")))
+
+  (def: #export (the field table)
+    (-> Text (Expression Any) (Computation Any))
+    (:abstraction (format (:representation table) "." field)))
+
+  (def: #export length
+    (-> (Expression Any) (Computation Any))
+    (|>> :representation
+         (text.enclose ["#(" ")"])
+         :abstraction))
+
+  (def: #export (apply/* args func)
+    (-> (List (Expression Any)) (Expression Any) (Computation Any))
+    (|> args
+        (list@map ..code)
+        (text.join-with ..input-separator)
+        (text.enclose ["(" ")"])
+        (format (:representation func))
+        :abstraction))
+
+  (def: #export (do method table args)
+    (-> Text (Expression Any) (List (Expression Any)) (Computation Any))
+    (|> args
+        (list@map ..code)
+        (text.join-with ..input-separator)
+        (text.enclose ["(" ")"])
+        (format (:representation table) ":" method)
+        :abstraction))
+
+  (template [<op> <name>]
+    [(def: #export (<name> parameter subject)
+       (-> (Expression Any) (Expression Any) (Expression Any))
+       (:abstraction (format "("
+                             (:representation subject)
+                             " " <op> " "
+                             (:representation parameter)
+                             ")")))]
+
+    ["==" =]
+    ["<"  <]
+    ["<=" <=]
+    [">"  >]
+    [">=" >=]
+    ["+"  +]
+    ["-"  -]
+    ["*"  *]
+    ["/"  /]
+    ["//" //]
+    ["%"  %]
+    [".." concat]
+
+    ["or"  or]
+    ["and" and]
+    ["|"   bit-or]
+    ["&"   bit-and]
+    ["~"   bit-xor]
+
+    ["<<" bit-shl]
+    [">>" bit-shr]
+    )
+
+  (def: #export (not subject)
+    (-> (Expression Any) (Expression Any))
+    (:abstraction (format "(not " (:representation subject) ")")))
+
+  (def: #export var
+    (-> Text Var)
+    (|>> :abstraction))
+
+  (def: #export statement
+    (-> (Expression Any) Statement)
+    (|>> :representation (text.suffix ..statement-suffix) :abstraction))
+
+  (def: #export (then pre! post!)
+    (-> Statement Statement Statement)
+    (:abstraction
+     (format (:representation pre!)
+             text.new-line
+             (:representation post!))))
+
+  (def: locations
+    (-> (List (Location Any)) Text)
+    (|>> (list@map ..code)
+         (text.join-with ..input-separator)))
+
+  (def: #export (local vars)
+    (-> (List Var) Statement)
+    (:abstraction (format "local " (..locations vars) ..statement-suffix)))
+
+  (def: #export (set vars value)
+    (-> (List (Location Any)) (Expression Any) Statement)
+    (:abstraction (format (..locations vars) " = " (:representation value) ..statement-suffix)))
+
+  (def: #export (let vars value)
+    (-> (List Var) (Expression Any) Statement)
+    ($_ ..then
+        (local vars)
+        (set vars value)))
+
+  (def: #export (if test then! else!)
+    (-> (Expression Any) Statement Statement Statement)
+    (:abstraction (format "if " (:representation test)
+                          text.new-line "then" (..nest (:representation then!))
+                          text.new-line "else" (..nest (:representation else!))
+                          text.new-line "end" ..statement-suffix)))
+
+  (def: #export (when test then!)
+    (-> (Expression Any) Statement Statement)
+    (:abstraction (format "if " (:representation test)
+                          text.new-line "then" (..nest (:representation then!))
+                          text.new-line "end" ..statement-suffix)))
+
+  (def: #export (while test body!)
+    (-> (Expression Any) Statement Statement)
+    (:abstraction
+     (format "while " (:representation test) " do"
+             (..nest (:representation body!))
+             text.new-line "end" ..statement-suffix)))
+
+  (def: #export (for-in vars source body!)
+    (-> (List Var) (Expression Any) Statement Statement)
+    (:abstraction
+     (format "for " (|> vars
+                        (list@map ..code)
+                        (text.join-with ..input-separator))
+             " in " (:representation source) " do"
+             (..nest (:representation body!))
+             text.new-line "end" ..statement-suffix)))
+
+  (def: #export (for-step var from to step body!)
+    (-> Var (Expression Any) (Expression Any) (Expression Any) Statement
+        Statement)
+    (:abstraction
+     (format "for " (:representation var)
+             " = " (:representation from)
+             ..input-separator (:representation to)
+             ..input-separator (:representation step) " do"
+             (..nest (:representation body!))
+             text.new-line "end" ..statement-suffix)))
+
+  (def: #export (return value)
+    (-> (Expression Any) Statement)
+    (:abstraction (format "return " (:representation value) ..statement-suffix)))
+
+  (def: #export (closure args body!)
+    (-> (List Var) Statement (Expression Any))
+    (|> (format "function " (|> args
+                                ..locations
+                                (text.enclose ["(" ")"]))
+                (..nest (:representation body!))
+                text.new-line "end")
+        (text.enclose ["(" ")"])
+        :abstraction))
+
+  (def: #export (function name args body!)
+    (-> Var (List Var) Statement Statement)
+    (:abstraction
+     (format "function " (:representation name)
+             (|> args
+                 ..locations
+                 (text.enclose ["(" ")"]))
+             (..nest (:representation body!))
+             text.new-line "end" ..statement-suffix)))
+
+  (def: #export break
+    Statement
+    (|> "break"
+        (text.suffix ..statement-suffix)
+        :abstraction))
+  )
+
+(def: #export (cond clauses else!)
+  (-> (List [(Expression Any) Statement]) Statement Statement)
+  (list@fold (.function (_ [test then!] next!)
+               (..if test then! next!))
+             else!
+             (list.reverse clauses)))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua.lux
new file mode 100644
index 000000000..480c473bf
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua.lux
@@ -0,0 +1,60 @@
+(.module:
+  [lux #*
+   [abstract
+    [monad (#+ do)]]]
+  [/
+   [runtime (#+ Phase)]
+   ["." primitive]
+   ["." structure]
+   ["." reference ("#@." system)]
+   ["." case]
+   ["." loop]
+   ["." function]
+   ["." ///
+    ["." extension]
+    [//
+     ["." synthesis]]]])
+
+(def: #export (generate synthesis)
+  Phase
+  (case synthesis
+    (^template [<tag> <generator>]
+      (^ (<tag> value))
+      (:: ///.monad wrap (<generator> value)))
+    ([synthesis.bit  primitive.bit]
+     [synthesis.i64  primitive.i64]
+     [synthesis.f64  primitive.f64]
+     [synthesis.text primitive.text])
+
+    (^ (synthesis.variant variantS))
+    (structure.variant generate variantS)
+
+    (^ (synthesis.tuple members))
+    (structure.tuple generate members)
+
+    (#synthesis.Reference value)
+    (reference@reference value)
+
+    (^ (synthesis.branch/case case))
+    (case.case generate case)
+
+    (^ (synthesis.branch/let let))
+    (case.let generate let)
+
+    (^ (synthesis.branch/if if))
+    (case.if generate if)
+
+    (^ (synthesis.loop/scope scope))
+    (loop.scope generate scope)
+
+    (^ (synthesis.loop/recur updates))
+    (loop.recur generate updates)
+
+    (^ (synthesis.function/abstraction abstraction))
+    (function.function generate abstraction)
+
+    (^ (synthesis.function/apply application))
+    (function.apply generate application)
+
+    (#synthesis.Extension extension)
+    (extension.apply generate extension)))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/case.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/case.lux
new file mode 100644
index 000000000..13683f0ca
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/case.lux
@@ -0,0 +1,216 @@
+(.module:
+  [lux (#- case let if)
+   [abstract
+    [monad (#+ do)]]
+   [control
+    ["ex" exception (#+ exception:)]]
+   [data
+    ["." text
+     format]
+    [collection
+     ["." list ("#@." functor fold)]
+     ["." set]]]
+   [host
+    ["_" lua (#+ Expression Var Statement)]]]
+  ["." // #_
+   ["#." runtime (#+ Operation Phase)]
+   ["#." reference]
+   ["#." primitive]
+   ["#/" //
+    ["#." reference]
+    ["#/" // ("#@." monad)
+     [synthesis
+      ["." case]]
+     ["#/" // #_
+      ["." reference (#+ Register)]
+      ["#." synthesis (#+ Synthesis Path)]]]]])
+
+(def: #export register
+  (///reference.local _.var))
+
+(def: #export capture
+  (///reference.foreign _.var))
+
+(def: #export (let generate [valueS register bodyS])
+  (-> Phase [Synthesis Register Synthesis]
+      (Operation (Expression Any)))
+  (do ////.monad
+    [valueO (generate valueS)
+     bodyO (generate bodyS)]
+    ## TODO: Find some way to do 'let' without paying the price of the closure.
+    (wrap (|> bodyO
+              _.return
+              (_.closure (list (..register register)))
+              (_.apply/* (list valueO))))))
+
+(def: #export (record-get generate valueS pathP)
+  (-> Phase Synthesis (List (Either Nat Nat))
+      (Operation (Expression Any)))
+  (do ////.monad
+    [valueO (generate valueS)]
+    (wrap (list@fold (function (_ side source)
+                       (.let [method (.case side
+                                       (^template [<side> <accessor>]
+                                         (<side> lefts)
+                                         (<accessor> (_.int (.int lefts))))
+                                       ([#.Left //runtime.tuple//left]
+                                        [#.Right //runtime.tuple//right]))]
+                         (method source)))
+                     valueO
+                     pathP))))
+
+(def: #export (if generate [testS thenS elseS])
+  (-> Phase [Synthesis Synthesis Synthesis]
+      (Operation (Expression Any)))
+  (do ////.monad
+    [testO (generate testS)
+     thenO (generate thenS)
+     elseO (generate elseS)]
+    (wrap (|> (_.if testO
+                (_.return thenO)
+                (_.return elseO))
+              (_.closure (list))
+              (_.apply/* (list))))))
+
+(def: @savepoint (_.var "lux_pm_savepoint"))
+(def: @cursor (_.var "lux_pm_cursor"))
+(def: @temp (_.var "lux_pm_temp"))
+
+(def: (push! value)
+  (-> (Expression Any) Statement)
+  (_.statement (|> (_.var "table.insert") (_.apply/* (list @cursor value)))))
+
+(def: peek-and-pop
+  (Expression Any)
+  (|> (_.var "table.remove") (_.apply/* (list @cursor))))
+
+(def: pop!
+  Statement
+  (_.statement ..peek-and-pop))
+
+(def: peek
+  (Expression Any)
+  (_.nth (_.length @cursor) @cursor))
+
+(def: save!
+  Statement
+  (_.statement (|> (_.var "table.insert")
+                   (_.apply/* (list @savepoint
+                                    (//runtime.array//copy @cursor))))))
+
+(def: restore!
+  Statement
+  (_.set (list @cursor) (|> (_.var "table.remove") (_.apply/* (list @savepoint)))))
+
+(def: fail! _.break)
+
+(exception: #export unrecognized-path)
+
+(template [<name> <flag> <prep>]
+  [(def: (<name> simple? idx)
+     (-> Bit Nat Statement)
+     ($_ _.then
+         (_.set (list @temp) (|> idx <prep> .int _.int (//runtime.sum//get ..peek <flag>)))
+         (.if simple?
+           (_.when (_.= _.nil @temp)
+                   fail!)
+           (_.if (_.= _.nil @temp)
+             fail!
+             (..push! @temp)))))]
+
+  [left-choice  _.nil         (<|)]
+  [right-choice (_.string "") inc]
+  )
+
+(def: (alternation pre! post!)
+  (-> Statement Statement Statement)
+  ($_ _.then
+      (_.while (_.bool true)
+               ($_ _.then
+                   ..save!
+                   pre!))
+      ($_ _.then
+          ..restore!
+          post!)))
+
+(def: (pattern-matching' generate pathP)
+  (-> Phase Path (Operation Statement))
+  (.case pathP
+    (^ (/////synthesis.path/then bodyS))
+    (:: ////.monad map _.return (generate bodyS))
+
+    #/////synthesis.Pop
+    (////@wrap ..pop!)
+
+    (#/////synthesis.Bind register)
+    (////@wrap (_.let (list (..register register)) ..peek))
+
+    (^template [<tag> <format>]
+      (^ (<tag> value))
+      (////@wrap (_.when (|> value <format> (_.= ..peek) _.not)
+                         fail!)))
+    ([/////synthesis.path/bit  //primitive.bit]
+     [/////synthesis.path/i64  //primitive.i64]
+     [/////synthesis.path/f64  //primitive.f64]
+     [/////synthesis.path/text //primitive.text])
+
+    (^template [<complex> <simple> <choice>]
+      (^ (<complex> idx))
+      (////@wrap (<choice> false idx))
+
+      (^ (<simple> idx nextP))
+      (|> nextP
+          (pattern-matching' generate)
+          (:: ////.monad map (_.then (<choice> true idx)))))
+    ([/////synthesis.side/left  /////synthesis.simple-left-side  ..left-choice]
+     [/////synthesis.side/right /////synthesis.simple-right-side ..right-choice])
+
+    (^ (/////synthesis.member/left 0))
+    (////@wrap (|> ..peek (_.nth (_.int +1)) ..push!))
+    
+    (^template [<pm> <getter>]
+      (^ (<pm> lefts))
+      (////@wrap (|> ..peek (<getter> (_.int (.int lefts))) ..push!)))
+    ([/////synthesis.member/left  //runtime.tuple//left]
+     [/////synthesis.member/right //runtime.tuple//right])
+
+    (^ (/////synthesis.!bind-top register thenP))
+    (do ////.monad
+      [then! (pattern-matching' generate thenP)]
+      (////@wrap ($_ _.then
+                     (_.let (list (..register register)) ..peek-and-pop)
+                     then!)))
+
+    (^template [<tag> <combinator>]
+      (^ (<tag> preP postP))
+      (do ////.monad
+        [pre! (pattern-matching' generate preP)
+         post! (pattern-matching' generate postP)]
+        (wrap (<combinator> pre! post!))))
+    ([/////synthesis.path/seq _.then]
+     [/////synthesis.path/alt ..alternation])
+
+    _
+    (////.throw unrecognized-path [])))
+
+(def: (pattern-matching generate pathP)
+  (-> Phase Path (Operation Statement))
+  (do ////.monad
+    [pattern-matching! (pattern-matching' generate pathP)]
+    (wrap ($_ _.then
+              (_.while (_.bool true)
+                       pattern-matching!)
+              (_.statement (|> (_.var "error") (_.apply/* (list (_.string case.pattern-matching-error)))))))))
+
+(def: #export (case generate [valueS pathP])
+  (-> Phase [Synthesis Path] (Operation (Expression Any)))
+  (do ////.monad
+    [initG (generate valueS)
+     pattern-matching! (pattern-matching generate pathP)]
+    (wrap (|> ($_ _.then
+                  (_.local (list @temp))
+                  (_.let (list @cursor) (_.array (list initG)))
+                  (_.let (list @savepoint) (_.array (list)))
+                  pattern-matching!)
+              (_.closure (list))
+              (_.apply/* (list))))))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/extension.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/extension.lux
new file mode 100644
index 000000000..a40b4953f
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/extension.lux
@@ -0,0 +1,15 @@
+(.module:
+  [lux #*
+   [data
+    [collection
+     ["." dictionary]]]]
+  [//
+   [runtime (#+ Bundle)]]
+  [/
+   ["." common]
+   ["." host]])
+
+(def: #export bundle
+  Bundle
+  (|> common.bundle
+      (dictionary.merge host.bundle)))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/extension/common.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/extension/common.lux
new file mode 100644
index 000000000..6d060f0bf
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/extension/common.lux
@@ -0,0 +1,145 @@
+(.module:
+  [lux #*
+   [abstract
+    ["." monad (#+ do)]]
+   [control
+    ["." function]]
+   [data
+    ["." product]
+    [collection
+     ["." dictionary]]]
+   [host (#+ import:)
+    ["_" lua (#+ Expression Literal)]]]
+  ["." /// #_
+   ["#." runtime (#+ Operation Phase Handler Bundle)]
+   ["#." primitive]
+   [//
+    [extension (#+ Nullary Unary Binary Trinary
+                   nullary unary binary trinary)]
+    [//
+     [extension
+      ["." bundle]]]]])
+
+(template: (!unary function)
+  (|>> list _.apply/* (|> (_.var function))))
+
+(def: lux-procs
+  Bundle
+  (|> bundle.empty
+      (bundle.install "is" (binary (product.uncurry _.=)))
+      (bundle.install "try" (unary ///runtime.lux//try))))
+
+(def: i64-procs
+  Bundle
+  (<| (bundle.prefix "i64")
+      (|> bundle.empty
+          (bundle.install "and" (binary (product.uncurry _.bit-and)))
+          (bundle.install "or" (binary (product.uncurry _.bit-or)))
+          (bundle.install "xor" (binary (product.uncurry _.bit-xor)))
+          (bundle.install "left-shift" (binary (product.uncurry _.bit-shl)))
+          (bundle.install "logical-right-shift" (binary (product.uncurry ///runtime.i64//logic-right-shift)))
+          (bundle.install "arithmetic-right-shift" (binary (product.uncurry _.bit-shr)))
+          (bundle.install "=" (binary (product.uncurry _.=)))
+          (bundle.install "+" (binary (product.uncurry _.+)))
+          (bundle.install "-" (binary (product.uncurry _.-)))
+          )))
+
+(def: int-procs
+  Bundle
+  (<| (bundle.prefix "int")
+      (|> bundle.empty
+          (bundle.install "<" (binary (product.uncurry _.<)))
+          (bundle.install "*" (binary (product.uncurry _.*)))
+          (bundle.install "/" (binary (product.uncurry _./)))
+          (bundle.install "%" (binary (product.uncurry _.%)))
+          (bundle.install "frac" (unary (_./ (_.float +1.0))))
+          (bundle.install "char" (unary (!unary "string.char"))))))
+
+(import: #long java/lang/Double
+  (#static MIN_VALUE Double)
+  (#static MAX_VALUE Double))
+
+(template [<name> <const>]
+  [(def: (<name> _)
+     (Nullary Literal)
+     (_.float <const>))]
+
+  [frac//smallest (java/lang/Double::MIN_VALUE)]
+  [frac//min      (f/* -1.0 (java/lang/Double::MAX_VALUE))]
+  [frac//max      (java/lang/Double::MAX_VALUE)]
+  )
+
+(def: frac//decode
+  (Unary (Expression Any))
+  (|>> list _.apply/* (|> (_.var "tonumber")) _.return (_.closure (list)) ///runtime.lux//try))
+
+(def: frac-procs
+  Bundle
+  (<| (bundle.prefix "frac")
+      (|> bundle.empty
+          (bundle.install "+" (binary (product.uncurry _.+)))
+          (bundle.install "-" (binary (product.uncurry _.-)))
+          (bundle.install "*" (binary (product.uncurry _.*)))
+          (bundle.install "/" (binary (product.uncurry _./)))
+          (bundle.install "%" (binary (product.uncurry _.%)))
+          (bundle.install "=" (binary (product.uncurry _.=)))
+          (bundle.install "<" (binary (product.uncurry _.<)))
+          (bundle.install "smallest" (nullary frac//smallest))
+          (bundle.install "min" (nullary frac//min))
+          (bundle.install "max" (nullary frac//max))
+          (bundle.install "int" (unary (!unary "math.floor")))
+          (bundle.install "encode" (unary (!unary "tostring")))
+          (bundle.install "decode" (unary ..frac//decode)))))
+
+(def: (text//char [subjectO paramO])
+  (Binary (Expression Any))
+  (///runtime.text//char subjectO paramO))
+
+(def: (text//clip [paramO extraO subjectO])
+  (Trinary (Expression Any))
+  (///runtime.text//clip subjectO paramO extraO))
+
+(def: (text//index [startO partO textO])
+  (Trinary (Expression Any))
+  (///runtime.text//index textO partO startO))
+
+(def: text-procs
+  Bundle
+  (<| (bundle.prefix "text")
+      (|> bundle.empty
+          (bundle.install "=" (binary (product.uncurry _.=)))
+          (bundle.install "<" (binary (product.uncurry _.<)))
+          (bundle.install "concat" (binary (product.uncurry (function.flip _.concat))))
+          (bundle.install "index" (trinary text//index))
+          (bundle.install "size" (unary (|>> list _.apply/* (|> (_.var "string.len")))))
+          (bundle.install "char" (binary (product.uncurry ///runtime.text//char)))
+          (bundle.install "clip" (trinary text//clip))
+          )))
+
+(def: (io//log! messageO)
+  (Unary (Expression Any))
+  (_.or (_.apply/* (list messageO) (_.var "print"))
+        ///runtime.unit))
+
+(def: io-procs
+  Bundle
+  (<| (bundle.prefix "io")
+      (|> bundle.empty
+          (bundle.install "log" (unary ..io//log!))
+          (bundle.install "error" (unary (!unary "error")))
+          (bundle.install "exit" (unary (!unary "os.exit")))
+          (bundle.install "current-time" (nullary (function (_ _)
+                                                    (|> (_.var "os.time")
+                                                        (_.apply/* (list))
+                                                        (_.* (_.int +1,000)))))))))
+
+(def: #export bundle
+  Bundle
+  (<| (bundle.prefix "lux")
+      (|> lux-procs
+          (dictionary.merge i64-procs)
+          (dictionary.merge int-procs)
+          (dictionary.merge frac-procs)
+          (dictionary.merge text-procs)
+          (dictionary.merge io-procs)
+          )))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/extension/host.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/extension/host.lux
new file mode 100644
index 000000000..9c178e79c
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/extension/host.lux
@@ -0,0 +1,25 @@
+(.module:
+  [lux #*
+   [abstract
+    ["." monad (#+ do)]]
+   [data
+    ["." product]
+    [collection
+     ["." dictionary]]]
+   [host
+    ["_" lua (#+ Expression)]]]
+  ["." /// #_
+   ["#." runtime (#+ Handler Bundle)]
+   ["#/" // #_
+    ["#." extension (#+ Nullary Unary Binary Trinary Variadic
+                        nullary unary binary trinary variadic)]
+    ["#/" //
+     ["#." extension
+      ["." bundle]]
+     ["#/" // #_
+      ["#." synthesis]]]]])
+
+(def: #export bundle
+  Bundle
+  (<| (bundle.prefix "lua")
+      bundle.empty))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/function.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/function.lux
new file mode 100644
index 000000000..517af6550
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/function.lux
@@ -0,0 +1,106 @@
+(.module:
+  [lux (#- function)
+   [abstract
+    ["." monad (#+ do)]]
+   [control
+    pipe]
+   [data
+    ["." product]
+    [text
+     format]
+    [collection
+     ["." list ("#@." functor fold)]]]
+   [host
+    ["_" lua (#+ Expression Statement)]]]
+  ["." // #_
+   ["#." runtime (#+ Operation Phase)]
+   ["#." reference]
+   ["#." case]
+   ["#/" //
+    ["#." reference]
+    ["#/" //
+     ["." // #_
+      [reference (#+ Register Variable)]
+      [analysis (#+ Variant Tuple Environment Arity Abstraction Application Analysis)]
+      [synthesis (#+ Synthesis)]]]]])
+
+(def: #export (apply generate [functionS argsS+])
+  (-> Phase (Application Synthesis) (Operation (Expression Any)))
+  (do ////.monad
+    [functionO (generate functionS)
+     argsO+ (monad.map @ generate argsS+)]
+    (wrap (_.apply/* argsO+ functionO))))
+
+(def: #export capture
+  (///reference.foreign _.var))
+
+(def: (with-closure function-name inits function-definition)
+  (-> Text (List (Expression Any)) Statement (Operation (Expression Any)))
+  (case inits
+    #.Nil
+    (do ////.monad
+      [_ (///.save! ["" function-name]
+                    function-definition)]
+      (wrap (|> (_.var function-name) (_.apply/* inits))))
+
+    _
+    (do ////.monad
+      [@closure (:: @ map _.var (///.gensym "closure"))
+       _ (///.save! ["" (_.code @closure)]
+                    (_.function @closure
+                      (|> (list.enumerate inits)
+                          (list@map (|>> product.left ..capture)))
+                      ($_ _.then
+                          function-definition
+                          (_.return (_.var function-name)))))]
+      (wrap (_.apply/* inits @closure)))))
+
+(def: input
+  (|>> inc //case.register))
+
+(def: #export (function generate [environment arity bodyS])
+  (-> Phase (Abstraction Synthesis) (Operation (Expression Any)))
+  (do ////.monad
+    [[function-name bodyO] (///.with-context
+                             (do @
+                               [function-name ///.context]
+                               (///.with-anchor (_.var function-name)
+                                 (generate bodyS))))
+     closureO+ (: (Operation (List (Expression Any)))
+                  (monad.map @ (:: //reference.system variable) environment))
+     #let [@curried (_.var "curried")
+           arityO (|> arity .int _.int)
+           @num-args (_.var "num_args")
+           @self (_.var function-name)
+           initialize-self! (_.let (list (//case.register 0)) @self)
+           initialize! (list@fold (.function (_ post pre!)
+                                    ($_ _.then
+                                        pre!
+                                        (_.let (list (..input post)) (_.nth (|> post inc .int _.int) @curried))))
+                                  initialize-self!
+                                  (list.indices arity))
+           pack (|>> (list) _.apply/* (|> (_.var "table.pack")))
+           unpack (|>> (list) _.apply/* (|> (_.var "table.unpack")))
+           @var-args (_.var "...")]]
+    (with-closure function-name closureO+
+      (_.function @self (list @var-args)
+        ($_ _.then
+            (_.let (list @curried) (pack @var-args))
+            (_.let (list @num-args) (_.the "n" @curried))
+            (_.cond (list [(|> @num-args (_.= (_.int +0)))
+                           (_.return @self)]
+                          [(|> @num-args (_.= arityO))
+                           ($_ _.then
+                               initialize!
+                               (_.return bodyO))]
+                          [(|> @num-args (_.> arityO))
+                           (let [arity-inputs (//runtime.array//sub (_.int +0) arityO @curried)
+                                 extra-inputs (//runtime.array//sub arityO @num-args @curried)]
+                             (_.return (|> @self
+                                           (_.apply/* (list (unpack arity-inputs)))
+                                           (_.apply/* (list (unpack extra-inputs))))))])
+                    ## (|> @num-args (_.< arityO))
+                    (_.return (_.closure (list @var-args)
+                                         (_.return (|> @self (_.apply/* (list (unpack (//runtime.array//concat @curried (pack @var-args))))))))))
+            )))
+    ))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/loop.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/loop.lux
new file mode 100644
index 000000000..41ebb4766
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/loop.lux
@@ -0,0 +1,40 @@
+(.module:
+  [lux (#- Scope)
+   [abstract
+    ["." monad (#+ do)]]
+   [data
+    ["." product]
+    [text
+     format]
+    [collection
+     ["." list ("#@." functor)]]]
+   [host
+    ["_" lua (#+ Expression)]]]
+  ["." // #_
+   [runtime (#+ Operation Phase)]
+   ["#." case]
+   ["#/" //
+    ["#/" //
+     [//
+      [synthesis (#+ Scope Synthesis)]]]]])
+
+(def: #export (scope generate [start initsS+ bodyS])
+  (-> Phase (Scope Synthesis) (Operation (Expression Any)))
+  (do ////.monad
+    [@loop (:: @ map (|>> %n (format "loop") _.var) ///.next)
+     initsO+ (monad.map @ generate initsS+)
+     bodyO (///.with-anchor @loop
+             (generate bodyS))
+     _ (///.save! ["" (_.code @loop)]
+                  (_.function @loop (|> initsS+
+                                        list.enumerate
+                                        (list@map (|>> product.left (n/+ start) //case.register)))
+                    (_.return bodyO)))]
+    (wrap (_.apply/* initsO+ @loop))))
+
+(def: #export (recur generate argsS+)
+  (-> Phase (List Synthesis) (Operation (Expression Any)))
+  (do ////.monad
+    [@scope ///.anchor
+     argsO+ (monad.map @ generate argsS+)]
+    (wrap (_.apply/* argsO+ @scope))))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/primitive.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/primitive.lux
new file mode 100644
index 000000000..47ccf5006
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/primitive.lux
@@ -0,0 +1,27 @@
+(.module:
+  [lux (#- i64)
+   [control
+    [pipe (#+ cond> new>)]]
+   [data
+    [number
+     ["." frac]]]
+   [host
+    ["_" lua (#+ Literal)]]]
+  ["." // #_
+   ["#." runtime]])
+
+(def: #export bit
+  (-> Bit Literal)
+  _.bool)
+
+(def: #export i64
+  (-> (I64 Any) Literal)
+  (|>> .int _.int))
+
+(def: #export f64
+  (-> Frac Literal)
+  _.float)
+
+(def: #export text
+  (-> Text Literal)
+  _.string)
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/reference.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/reference.lux
new file mode 100644
index 000000000..62c69e8bc
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/reference.lux
@@ -0,0 +1,11 @@
+(.module:
+  [lux #*
+   [host
+    ["_" lua (#+ Expression)]]]
+  [//
+   [//
+    ["." reference]]])
+
+(def: #export system
+  (reference.system (: (-> Text (Expression Any)) _.var)
+                    (: (-> Text (Expression Any)) _.var)))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/runtime.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/runtime.lux
new file mode 100644
index 000000000..5e45682d1
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/runtime.lux
@@ -0,0 +1,358 @@
+(.module:
+  [lux (#- inc)
+   [abstract
+    [monad (#+ do)]]
+   [control
+    ["." function]
+    ["p" parser]]
+   [data
+    [number (#+ hex)
+     ["." i64]]
+    ["." text
+     format]
+    [collection
+     ["." list ("#@." functor)]]]
+   ["." macro
+    ["." code]
+    ["s" syntax (#+ syntax:)]]
+   [host
+    ["_" lua (#+ Expression Location Var Computation Literal Statement)]]]
+  ["." ///
+   ["//." //
+    [//
+     ["/////." name]
+     ["." synthesis]]]]
+  )
+
+(template [<name> <base>]
+  [(type: #export <name>
+     (<base> Var (Expression Any) Statement))]
+
+  [Operation ///.Operation]
+  [Phase ///.Phase]
+  [Handler ///.Handler]
+  [Bundle ///.Bundle]
+  )
+
+(def: prefix Text "LuxRuntime")
+
+(def: #export unit (_.string synthesis.unit))
+
+(def: (flag value)
+  (-> Bit Literal)
+  (if value
+    (_.string "")
+    _.nil))
+
+(def: #export variant-tag-field "_lux_tag")
+(def: #export variant-flag-field "_lux_flag")
+(def: #export variant-value-field "_lux_value")
+
+(def: (variant' tag last? value)
+  (-> (Expression Any) (Expression Any) (Expression Any) Literal)
+  (_.table (list [..variant-tag-field tag]
+                 [..variant-flag-field last?]
+                 [..variant-value-field value])))
+
+(def: #export (variant tag last? value)
+  (-> Nat Bit (Expression Any) Literal)
+  (variant' (_.int (.int tag))
+            (flag last?)
+            value))
+
+(def: #export none
+  Literal
+  (..variant 0 #0 unit))
+
+(def: #export some
+  (-> (Expression Any) Literal)
+  (..variant 1 #1))
+
+(def: #export left
+  (-> (Expression Any) Literal)
+  (..variant 0 #0))
+
+(def: #export right
+  (-> (Expression Any) Literal)
+  (..variant 1 #1))
+
+(def: runtime-name
+  (-> Text Var)
+  (|>> /////name.normalize
+       (format ..prefix "_")
+       _.var))
+
+(def: (feature name definition)
+  (-> Var (-> Var Statement) Statement)
+  (definition name))
+
+(syntax: #export (with-vars {vars (s.tuple (p.some s.local-identifier))}
+                   body)
+  (wrap (list (` (let [(~+ (|> vars
+                               (list@map (function (_ var)
+                                           (list (code.local-identifier var)
+                                                 (` (_.var (~ (code.text (/////name.normalize var))))))))
+                               list.concat))]
+                   (~ body))))))
+
+(syntax: (runtime: {declaration (p.or s.local-identifier
+                                      (s.form (p.and s.local-identifier
+                                                     (p.some s.local-identifier))))}
+           code)
+  (case declaration
+    (#.Left name)
+    (macro.with-gensyms [g!_]
+      (let [nameC (code.local-identifier name)
+            code-nameC (code.local-identifier (format "@" name))
+            runtime-nameC (` (runtime-name (~ (code.text name))))]
+        (wrap (list (` (def: #export (~ nameC) Var (~ runtime-nameC)))
+                    (` (def: (~ code-nameC)
+                         Statement
+                         (..feature (~ runtime-nameC)
+                                    (function ((~ g!_) (~ nameC))
+                                      (_.set (~ nameC) (~ code))))))))))
+    
+    (#.Right [name inputs])
+    (macro.with-gensyms [g!_]
+      (let [nameC (code.local-identifier name)
+            code-nameC (code.local-identifier (format "@" name))
+            runtime-nameC (` (runtime-name (~ (code.text name))))
+            inputsC (list@map code.local-identifier inputs)
+            inputs-typesC (list@map (function.constant (` (_.Expression Any)))
+                                    inputs)]
+        (wrap (list (` (def: #export ((~ nameC) (~+ inputsC))
+                         (-> (~+ inputs-typesC) (Computation Any))
+                         (_.apply/* (list (~+ inputsC)) (~ runtime-nameC))))
+                    (` (def: (~ code-nameC)
+                         Statement
+                         (..feature (~ runtime-nameC)
+                                    (function ((~ g!_) (~ g!_))
+                                      (..with-vars [(~+ inputsC)]
+                                        (_.function (~ g!_) (list (~+ inputsC))
+                                          (~ code)))))))))))))
+
+(def: (nth index table)
+  (-> (Expression Any) (Expression Any) (Location Any))
+  (_.nth (_.+ (_.int +1) index) table))
+
+(def: last-index (|>> _.length (_.- (_.int +1))))
+
+(runtime: (tuple//left lefts tuple)
+  (with-vars [last-right]
+    ($_ _.then
+        (_.let (list last-right) (..last-index tuple))
+        (_.if (_.> lefts last-right)
+          ## No need for recursion
+          (_.return (..nth lefts tuple))
+          ## Needs recursion
+          (_.return (tuple//left (_.- last-right lefts)
+                                 (..nth last-right tuple)))))))
+
+(runtime: (array//sub from to array)
+  (with-vars [temp idx]
+    ($_ _.then
+        (_.let (list temp) (_.array (list)))
+        (_.for-step idx from (_.- (_.int +1) to) (_.int +1)
+                    (|> (_.var "table.insert")
+                        (_.apply/* (list temp (..nth idx array)))
+                        _.statement))
+        (_.return temp))))
+
+(runtime: (tuple//right lefts tuple)
+  (with-vars [last-right right-index]
+    ($_ _.then
+        (_.let (list last-right) (..last-index tuple))
+        (_.let (list right-index) (_.+ (_.int +1) lefts))
+        (_.cond (list [(_.= right-index last-right)
+                       (_.return (..nth right-index tuple))]
+                      [(_.> right-index last-right)
+                       ## Needs recursion.
+                       (_.return (tuple//right (_.- last-right lefts)
+                                               (..nth last-right tuple)))])
+                (_.return (array//sub right-index (_.length tuple) tuple)))
+        )))
+
+(runtime: (sum//get sum wantsLast wantedTag)
+  (let [no-match! (_.return _.nil)
+        sum-tag (_.the ..variant-tag-field sum)
+        sum-flag (_.the ..variant-flag-field sum)
+        sum-value (_.the ..variant-value-field sum)
+        is-last? (_.= (_.string "") sum-flag)
+        test-recursion! (_.if is-last?
+                          ## Must recurse.
+                          (_.return (sum//get sum-value wantsLast (_.- sum-tag wantedTag)))
+                          no-match!)]
+    (_.cond (list [(_.= sum-tag wantedTag)
+                   (_.if (_.= wantsLast sum-flag)
+                     (_.return sum-value)
+                     test-recursion!)]
+
+                  [(_.> sum-tag wantedTag)
+                   test-recursion!]
+
+                  [(_.and (_.< sum-tag wantedTag)
+                          (_.= (_.string "") wantsLast))
+                   (_.return (variant' (_.- wantedTag sum-tag) sum-flag sum-value))])
+
+            no-match!)))
+
+(runtime: (array//copy array)
+  (with-vars [temp idx]
+    ($_ _.then
+        (_.let (list temp) (_.array (list)))
+        (<| (_.for-step idx (_.int +1) (_.length array) (_.int +1))
+            (_.statement (|> (_.var "table.insert") (_.apply/* (list temp (_.nth idx array))))))
+        (_.return temp))))
+
+(runtime: (array//concat left right)
+  (with-vars [temp idx]
+    (let [copy! (function (_ input output)
+                  (<| (_.for-step idx (_.int +1) (_.the "n" input) (_.int +1))
+                      (_.statement (|> (_.var "table.insert") (_.apply/* (list output (_.nth idx input)))))))]
+      ($_ _.then
+          (_.let (list temp) (_.array (list)))
+          (copy! left temp)
+          (copy! right temp)
+          (_.return temp)))))
+
+(def: runtime//adt
+  Statement
+  ($_ _.then
+      @tuple//left
+      @array//sub
+      @tuple//right
+      @sum//get
+      @array//copy
+      @array//concat))
+
+(runtime: (lux//try risky)
+  (with-vars [success value]
+    ($_ _.then
+        (_.let (list success value) (|> risky (_.apply/* (list ..unit))
+                                        _.return (_.closure (list))
+                                        list _.apply/* (|> (_.var "pcall"))))
+        (_.if success
+          (_.return (..right value))
+          (_.return (..left value))))))
+
+(runtime: (lux//program-args raw)
+  (with-vars [tail head idx]
+    ($_ _.then
+        (_.let (list tail) ..none)
+        (<| (_.for-step idx (_.length raw) (_.int +1) (_.int -1))
+            (_.set (list tail) (..some (_.array (list (_.nth idx raw)
+                                                      tail)))))
+        (_.return tail))))
+
+(def: runtime//lux
+  Statement
+  ($_ _.then
+      @lux//try
+      @lux//program-args))
+
+(runtime: (i64//logic-right-shift param subject)
+  (let [mask (|> (_.int +1)
+                 (_.bit-shl (_.- param (_.int +64)))
+                 (_.- (_.int +1)))]
+    (_.return (|> subject
+                  (_.bit-shr param)
+                  (_.bit-and mask)))))
+
+(def: runtime//i64
+  Statement
+  ($_ _.then
+      @i64//logic-right-shift
+      ))
+
+(runtime: (text//index subject param start)
+  (with-vars [idx]
+    ($_ _.then
+        (_.let (list idx) (_.apply/* (list subject param start (_.bool #1))
+                                     (_.var "string.find")))
+        (_.if (_.= _.nil idx)
+          (_.return ..none)
+          (_.return (..some idx))))))
+
+(runtime: (text//clip text from to)
+  (with-vars [size]
+    ($_ _.then
+        (_.let (list size) (_.apply/* (list text) (_.var "string.len")))
+        (_.if (_.or (_.> size from)
+                    (_.> size to))
+          (_.return ..none)
+          (_.return (..some (_.apply/* (list text from to) (_.var "string.sub")))))
+        )))
+
+(runtime: (text//char idx text)
+  (with-vars [char]
+    ($_ _.then
+        (_.let (list char) (_.apply/* (list text idx) (_.var "string.byte")))
+        (_.if (_.= _.nil char)
+          (_.return ..none)
+          (_.return (..some char))))))
+
+(def: runtime//text
+  Statement
+  ($_ _.then
+      @text//index
+      @text//clip
+      @text//char))
+
+(runtime: (array//new size)
+  (with-vars [output idx]
+    ($_ _.then
+        (_.let (list output) (_.array (list)))
+        (_.for-step idx (_.int +1) size (_.int +1)
+                    (_.statement (_.apply/* (list output ..unit) (_.var "table.insert"))))
+        (_.return output))))
+
+(runtime: (array//get array idx)
+  (with-vars [temp]
+    ($_ _.then
+        (_.let (list temp) (..nth idx array))
+        (_.if (_.or (_.= _.nil temp)
+                    (_.= ..unit temp))
+          (_.return ..none)
+          (_.return (..some temp))))))
+
+(runtime: (array//put array idx value)
+  ($_ _.then
+      (_.set (list (..nth idx array)) value)
+      (_.return array)))
+
+(def: runtime//array
+  Statement
+  ($_ _.then
+      @array//new
+      @array//get
+      @array//put
+      ))
+
+(runtime: (box//write value box)
+  ($_ _.then
+      (_.set (list (_.nth (_.int +1) box)) value)
+      (_.return ..unit)))
+
+(def: runtime//box
+  Statement
+  @box//write)
+
+(def: runtime
+  Statement
+  ($_ _.then
+      runtime//adt
+      runtime//lux
+      runtime//i64
+      runtime//text
+      runtime//array
+      runtime//box
+      ))
+
+(def: #export artifact ..prefix)
+
+(def: #export generate
+  (Operation Any)
+  (///.with-buffer
+    (do ////.monad
+      [_ (///.save! ["" ..prefix] ..runtime)]
+      (///.save-buffer! ..artifact))))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/lua/structure.lux b/stdlib/source/lux/tool/compiler/phase/generation/lua/structure.lux
new file mode 100644
index 000000000..2fab4daf0
--- /dev/null
+++ b/stdlib/source/lux/tool/compiler/phase/generation/lua/structure.lux
@@ -0,0 +1,36 @@
+(.module:
+  [lux #*
+   [abstract
+    ["." monad (#+ do)]]
+   [host
+    ["_" lua (#+ Expression)]]]
+  ["." // #_
+   ["#." runtime (#+ Operation Phase)]
+   ["#." primitive]
+   ["#//" ///
+    ["#/" // #_
+     [analysis (#+ Variant Tuple)]
+     ["#." synthesis (#+ Synthesis)]]]])
+
+(def: #export (tuple generate elemsS+)
+  (-> Phase (Tuple Synthesis) (Operation (Expression Any)))
+  (case elemsS+
+    #.Nil
+    (:: ////.monad wrap (//primitive.text /////synthesis.unit))
+
+    (#.Cons singletonS #.Nil)
+    (generate singletonS)
+
+    _
+    (|> elemsS+
+        (monad.map ////.monad generate)
+        (:: ////.monad map _.array))))
+
+(def: #export (variant generate [lefts right? valueS])
+  (-> Phase (Variant Synthesis) (Operation (Expression Any)))
+  (:: ////.monad map
+      (//runtime.variant (if right?
+                           (inc lefts)
+                           lefts)
+                         right?)
+      (generate valueS)))
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/python/runtime.lux b/stdlib/source/lux/tool/compiler/phase/generation/python/runtime.lux
index 0b84f4741..bdb0a8d2b 100644
--- a/stdlib/source/lux/tool/compiler/phase/generation/python/runtime.lux
+++ b/stdlib/source/lux/tool/compiler/phase/generation/python/runtime.lux
@@ -39,35 +39,35 @@
 (def: #export unit (_.string synthesis.unit))
 
 (def: (flag value)
-  (-> Bit (Computation Any))
+  (-> Bit Literal)
   (if value
     (_.string "")
     _.none))
 
 (def: (variant' tag last? value)
-  (-> (Expression Any) (Expression Any) (Expression Any) (Computation Any))
+  (-> (Expression Any) (Expression Any) (Expression Any) Literal)
   (_.tuple (list tag last? value)))
 
 (def: #export (variant tag last? value)
-  (-> Nat Bit (Expression Any) (Computation Any))
+  (-> Nat Bit (Expression Any) Literal)
   (variant' (_.int (.int tag))
             (flag last?)
             value))
 
 (def: #export none
-  (Computation Any)
+  Literal
   (..variant 0 #0 unit))
 
 (def: #export some
-  (-> (Expression Any) (Computation Any))
+  (-> (Expression Any) Literal)
   (..variant 1 #1))
 
 (def: #export left
-  (-> (Expression Any) (Computation Any))
+  (-> (Expression Any) Literal)
   (..variant 0 #0))
 
 (def: #export right
-  (-> (Expression Any) (Computation Any))
+  (-> (Expression Any) Literal)
   (..variant 1 #1))
 
 (def: runtime-name
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/ruby/case.lux b/stdlib/source/lux/tool/compiler/phase/generation/ruby/case.lux
index 01b405dff..18979b0fa 100644
--- a/stdlib/source/lux/tool/compiler/phase/generation/ruby/case.lux
+++ b/stdlib/source/lux/tool/compiler/phase/generation/ruby/case.lux
@@ -11,7 +11,7 @@
      ["." list ("#@." functor fold)]
      ["." set]]]
    [host
-    ["_" ruby (#+ Expression LVar Statement)]]]
+    ["_" ruby (#+ Expression Statement)]]]
   ["." // #_
    ["#." runtime (#+ Operation Phase)]
    ["#." reference]
@@ -97,7 +97,7 @@
   (Statement Any)
   (_.set (list @cursor) (|> @savepoint (_.do "pop" (list)))))
 
-(def: fail-pm! _.break)
+(def: fail! _.break)
 
 (exception: #export unrecognized-path)
 
@@ -114,9 +114,9 @@
          (_.set (list @temp) (|> idx <prep> .int _.int (//runtime.sum//get ..peek <flag>)))
          (.if simple?
            (_.when (_.= _.nil @temp)
-                   fail-pm!)
+                   fail!)
            (_.if (_.= _.nil @temp)
-             fail-pm!
+             fail!
              (..push! @temp)))))]
 
   [left-choice  _.nil         (<|)]
@@ -149,7 +149,7 @@
     (^template [<tag> <format>]
       (^ (<tag> value))
       (////@wrap (_.when (|> value <format> (_.= ..peek) _.not)
-                         fail-pm!)))
+                         fail!)))
     ([/////synthesis.path/bit  //primitive.bit]
      [/////synthesis.path/i64  //primitive.i64]
      [/////synthesis.path/f64  //primitive.f64]
diff --git a/stdlib/source/lux/tool/compiler/phase/generation/ruby/primitive.lux b/stdlib/source/lux/tool/compiler/phase/generation/ruby/primitive.lux
index 4ec058ffe..3fa59aaf4 100644
--- a/stdlib/source/lux/tool/compiler/phase/generation/ruby/primitive.lux
+++ b/stdlib/source/lux/tool/compiler/phase/generation/ruby/primitive.lux
@@ -6,22 +6,22 @@
     [number
      ["." frac]]]
    [host
-    ["_" ruby (#+ Expression)]]]
+    ["_" ruby (#+ Literal)]]]
   ["." // #_
    ["#." runtime]])
 
 (def: #export bit
-  (-> Bit (Expression Any))
+  (-> Bit Literal)
   _.bool)
 
 (def: #export i64
-  (-> (I64 Any) (Expression Any))
+  (-> (I64 Any) Literal)
   (|>> .int _.int))
 
 (def: #export f64
-  (-> Frac (Expression Any))
+  (-> Frac Literal)
   _.float)
 
 (def: #export text
-  (-> Text (Expression Any))
+  (-> Text Literal)
   _.string)
diff --git a/stdlib/source/test/lux.lux b/stdlib/source/test/lux.lux
index f73319739..21e529ecc 100644
--- a/stdlib/source/test/lux.lux
+++ b/stdlib/source/test/lux.lux
@@ -3,8 +3,8 @@
                                           [structure (#+)]
                                           [reference (#+)]
                                           [case (#+)]
-                                          [function (#+)]
                                           [loop (#+)]
+                                          [function (#+)]
                                           [extension (#+)
                                            [common (#+)]
                                            [host (#+)]])]
@@ -38,6 +38,7 @@
      [host
       [js (#+)]
       [python (#+)]
+      [lua (#+)]
       [ruby (#+)]
       [scheme (#+)]]
      [tool
@@ -48,6 +49,8 @@
           <host-modules>]
          [python (#+)
           <host-modules>]
+         [lua (#+)
+          <host-modules>]
          [ruby (#+)
           <host-modules>]
          [scheme (#+)
@@ -381,4 +384,5 @@
       ## (_.seed 16966479879996440699)
       ## (_.seed 16140950815046933697)
       ## (_.seed 8804587020128699091)
+      ## (_.seed 9353282359333487462)
       ..test))