Some refactoring.

12 files changed, 373 insertions, 327 deletions

diff --git a/stdlib/source/lux/compiler.lux b/stdlib/source/lux/compiler.lux
index bc6005382..d6c6d82d9 100644
--- a/stdlib/source/lux/compiler.lux
+++ b/stdlib/source/lux/compiler.lux
@@ -11,19 +11,22 @@
     ["." file (#+ File)]]]
   [/
    [meta
-    ["." archive (#+ Document Archive)]]])
-
-(type: #export Module Text)
+    ["." archive (#+ Archive)
+     [key (#+ Key)]
+     [descriptor (#+ Module)]
+     [document (#+ Document)]]]])
 
 (type: #export Code Text)
 
-(type: #export Source
+(type: #export Parameter Text)
+
+(type: #export Input
   {#module Module
    #file File
    #code Code})
 
 (type: #export Output
-  (Dictionary File Binary))
+  (Dictionary Text Binary))
 
 (type: #export (Compilation d)
   {#dependencies (List Module)
@@ -32,7 +35,7 @@
                                [(Document d) Output])))})
 
 (type: #export (Compiler d)
-  (-> Source (Compilation d)))
+  (-> (Key d) (List Parameter) Input (Compilation d)))
 
 (type: #export (Importer !)
   (-> (file.System !) Module Archive (! (Error Archive))))
diff --git a/stdlib/source/lux/compiler/default.lux b/stdlib/source/lux/compiler/default.lux
index efba96e05..726562cc8 100644
--- a/stdlib/source/lux/compiler/default.lux
+++ b/stdlib/source/lux/compiler/default.lux
@@ -1,198 +1,6 @@
 (.module:
-  [lux (#- Source)
-   [control
-    [monad (#+ do)]
-    ["ex" exception (#+ exception:)]]
-   [data
-    ["." product]
-    ["." error (#+ Error)]
-    [text ("text/." Hash<Text>)
-     format
-     ["." encoding]]
-    [collection
-     ["." dictionary]]]
-   [type (#+ :share)]
-   ["." macro]
-   [world
-    ["." file (#+ File)]]]
-  ["." // (#+ Source)
-   ["." cli (#+ Configuration)]
-   [meta
-    [io
-     ["." context]]]]
-  [/
-   ["." init]
-   ["." syntax (#+ Aliases)]
-   ["." phase
-    ["." analysis
-     ["." module]
-     [".A" expression]]
-    ["." translation (#+ Host Bundle)]
-    ["." statement
-     [".S" total]]
-    ["." extension]]]
-  ## (luxc [cache]
-  ##       [cache/description]
-  ##       [cache/io])
-  )
+  [lux #*])
 
-(type: Reader
-  (-> .Source (Error [.Source Code])))
+(type: #export Version Text)
 
-(def: (reader current-module aliases)
-  (-> Text Aliases (analysis.Operation Reader))
-  (function (_ [bundle state])
-    (let [[cursor offset source-code] (get@ #.source state)]
-      (#error.Success [[bundle state]
-                       (syntax.parse current-module aliases ("lux text size" source-code))]))))
-
-(def: (read reader)
-  (-> Reader (analysis.Operation Code))
-  (function (_ [bundle compiler])
-    (case (reader (get@ #.source compiler))
-      (#error.Error error)
-      (#error.Error error)
-
-      (#error.Success [source' output])
-      (let [[cursor _] output]
-        (#error.Success [[bundle (|> compiler
-                                     (set@ #.source source')
-                                     (set@ #.cursor cursor))]
-                         output])))))
-
-## ## (def: (write-module target-dir file-name module-name module outputs)
-## ##   (-> File Text Text Module Outputs (Process Any))
-## ##   (do io.Monad<Process>
-## ##     [_ (monad.map @ (product.uncurry (&io.write target-dir))
-## ##                   (dictionary.entries outputs))]
-## ##     (&io.write target-dir
-## ##                (format module-name "/" cache.descriptor-name)
-## ##                (encoding.to-utf8 (%code (cache/description.write file-name module))))))
-
-(type: #export (Platform ! anchor expression statement)
-  {#host (Host expression statement)
-   #phase (translation.Phase anchor expression statement)
-   #runtime (translation.Operation anchor expression statement Any)
-   #file-system (file.System !)})
-
-(with-expansions [<Platform> (as-is (Platform ! anchor expression statement))
-                  <Operation> (as-is (statement.Operation anchor expression statement Any))
-                  <State+> (as-is (statement.State+ anchor expression statement))
-                  <Bundle> (as-is (Bundle anchor expression statement))]
-  
-  (def: (begin-module-compilation module-name source)
-    (All [anchor expression statement]
-      (-> Text Source <Operation>))
-    (statement.lift-analysis
-     (do phase.Monad<Operation>
-       [_ (module.create (text/hash (get@ #//.code source)) module-name)
-        _ (analysis.set-current-module module-name)]
-       (analysis.set-source-code (init.source (get@ #//.module source) (get@ #//.code source))))))
-
-  (def: end-module-compilation
-    (All [anchor expression statement]
-      (-> Text <Operation>))
-    (|>> module.set-compiled
-         statement.lift-analysis))
-
-  (def: (module-compilation-iteration reader)
-    (-> Reader (All [anchor expression statement] <Operation>))
-    (do phase.Monad<Operation>
-      [code (statement.lift-analysis
-             (..read reader))
-       _ (totalS.phase code)]
-      init.refresh))
-  
-  (def: (module-compilation-loop module-name)
-    (All [anchor expression statement]
-      (-> Text <Operation>))
-    (do phase.Monad<Operation>
-      [reader (statement.lift-analysis
-               (..reader module-name syntax.no-aliases))]
-      (function (_ state)
-        (loop [state state]
-          (case (module-compilation-iteration reader state)
-            (#error.Success [state' output])
-            (recur state')
-            
-            (#error.Error error)
-            (if (ex.match? syntax.end-of-file error)
-              (#error.Success [state []])
-              (ex.with-stack //.cannot-compile module-name (#error.Error error))))))))
-
-  (def: (perform-module-compilation module-name source)
-    (All [anchor expression statement]
-      (-> Text Source <Operation>))
-    (do phase.Monad<Operation>
-      [_ (begin-module-compilation module-name source)
-       _ (module-compilation-loop module-name)]
-      (end-module-compilation module-name)))
-
-  (def: #export (compile-module platform configuration compiler)
-    (All [! anchor expression statement]
-      (-> <Platform> Configuration <State+> (! <State+>)))
-    (do (:: (get@ #file-system platform) &monad)
-      [source (context.read (get@ #file-system platform)
-                            (get@ #cli.sources configuration)
-                            (get@ #cli.module configuration))
-       ## _ (&io.prepare-module target-dir (get@ #cli.module configuration))
-       ## _ (write-module target-dir file-name (get@ #cli.module configuration) module outputs)
-       ]
-      (<| (:: @ map product.left)
-          (:: (get@ #file-system platform) lift)
-          (phase.run' compiler)
-          (:share [! anchor expression statement]
-                  {<Platform>
-                   platform}
-                  {<Operation>
-                   (perform-module-compilation (get@ #cli.module configuration) source)}))))
-
-  (def: #export (initialize platform configuration translation-bundle)
-    (All [! anchor expression statement]
-      (-> <Platform> Configuration <Bundle> (! <State+>)))
-    (|> platform
-        (get@ #runtime)
-        statement.lift-translation
-        (phase.run' (init.state (get@ #host platform)
-                                (get@ #phase platform)
-                                translation-bundle))
-        (:: error.Functor<Error> map product.left)
-        (:: (get@ #file-system platform) lift))
-    
-    ## (case (runtimeT.translate ## (initL.compiler (io.run js.init))
-    ##        (initL.compiler (io.run hostL.init-host))
-    ##        )
-    ##   ## (#error.Success [compiler disk-write])
-    ##   ## (do @
-    ##   ##   [_ (&io.prepare-target target)
-    ##   ##    _ disk-write
-    ##   ##    ## _ (cache/io.pre-load sources target (commonT.load-definition compiler))
-    ##   ##    ]
-    ##   ##   (wrap (|> compiler
-    ##   ##             (set@ [#.info #.mode] #.Build))))
-
-    ##   (#error.Success [compiler [runtime-bc function-bc]])
-    ##   (do @
-    ##     [_ (&io.prepare-target target)
-    ##      ## _ (&io.write target (format hostL.runtime-class ".class") runtime-bc)
-    ##      ## _ (&io.write target (format hostL.function-class ".class") function-bc)
-    ##      ## _ (cache/io.pre-load sources target (commonT.load-definition compiler))
-    ##      ]
-    ##     (wrap (|> compiler
-    ##               (set@ [#.info #.mode] #.Build))))
-
-    ##   (#error.Error error)
-    ##   (io.fail error))
-    )
-
-  (def: #export (compile platform configuration translation-bundle)
-    (All [! anchor expression statement]
-      (-> <Platform> Configuration <Bundle> (! Any)))
-    (do (:: (get@ #file-system platform) &monad)
-      [compiler (initialize platform configuration translation-bundle)
-       _ (compile-module platform (set@ #cli.module syntax.prelude configuration) compiler)
-       _ (compile-module platform configuration compiler)
-       ## _ (cache/io.clean target ...)
-       ]
-      (wrap (log! "Compilation complete!"))))
-  )
+(def: #export version Version "0.6.0")
diff --git a/stdlib/source/lux/compiler/default/init.lux b/stdlib/source/lux/compiler/default/init.lux
index 07aa1217e..c50d37705 100644
--- a/stdlib/source/lux/compiler/default/init.lux
+++ b/stdlib/source/lux/compiler/default/init.lux
@@ -1,86 +1,81 @@
 (.module:
-  [lux #*
+  [lux (#- Module loop)
    [control
-    [monad (#+ do)]]
+    [monad (#+ do)]
+    ["ex" exception (#+ exception:)]]
    [data
-    ["." product]]]
-  [//
+    ["." product]
+    ["." error (#+ Error)]
+    ["." text ("text/." Hash<Text>)]
+    [collection
+     ["." dictionary]]]
+   ["." macro]
+   [world
+    ["." file]]]
+  ["." //
+   ["." syntax (#+ Aliases)]
    ["." evaluation]
    ["." phase
     ["." analysis
+     ["." module]
      [".A" expression]]
     ["." synthesis
      [".S" expression]]
-    ["." translation (#+ Host)]
-    ["." statement]
+    ["." translation]
+    ["." statement
+     [".S" total]]
     ["." extension
      [".E" analysis]
      [".E" synthesis]
      [".E" statement]]]
-   [//
-    ["." host]]])
-
-(type: #export Version Text)
-
-(def: #export version Version "0.6.0")
-
-(def: #export (cursor file)
-  (-> Text Cursor)
-  [file 1 0])
-
-(def: #export (source file code)
-  (-> Text Text Source)
-  [(cursor file) 0 code])
-
-(def: dummy-source
-  Source
-  [.dummy-cursor 0 ""])
-
-(def: #export type-context
-  Type-Context
-  {#.ex-counter 0
-   #.var-counter 0
-   #.var-bindings (list)})
+   ["/." // (#+ Compiler)
+    ["." host]
+    [meta
+     [archive
+      ["." signature]
+      ["." key (#+ Key)]
+      ["." descriptor (#+ Module)]
+      ["." document]]]]])
 
 (def: #export info
   Info
-  {#.target  (`` (for {(~~ (static host.common-lisp)) host.common-lisp
-                       (~~ (static host.js))          host.js
-                       (~~ (static host.jvm))         host.jvm
-                       (~~ (static host.lua))         host.lua
-                       (~~ (static host.php))         host.php
-                       (~~ (static host.python))      host.python
-                       (~~ (static host.r))           host.r
-                       (~~ (static host.ruby))        host.ruby
-                       (~~ (static host.scheme))      host.scheme}))
-   #.version ..version
-   #.mode    #.Build})
-
-(def: #export (compiler host)
-  (-> Any Lux)
-  {#.info            ..info
-   #.source          dummy-source
-   #.cursor          .dummy-cursor
-   #.current-module  #.None
-   #.modules         (list)
-   #.scopes          (list)
-   #.type-context    ..type-context
-   #.expected        #.None
-   #.seed            0
-   #.scope-type-vars (list)
-   #.extensions      []
-   #.host            host})
+  {#.target (`` (for {(~~ (static host.common-lisp)) host.common-lisp
+                      (~~ (static host.js))          host.js
+                      (~~ (static host.jvm))         host.jvm
+                      (~~ (static host.lua))         host.lua
+                      (~~ (static host.php))         host.php
+                      (~~ (static host.python))      host.python
+                      (~~ (static host.r))           host.r
+                      (~~ (static host.ruby))        host.ruby
+                      (~~ (static host.scheme))      host.scheme}))
+   #.version //.version
+   #.mode #.Build})
+
+(def: refresh
+  (All [anchor expression statement]
+    (statement.Operation anchor expression statement Any))
+  (do phase.Monad<Operation>
+    [[bundle state] phase.get-state
+     #let [eval (evaluation.evaluator (get@ [#statement.synthesis #statement.state] state)
+                                      (get@ [#statement.translation #statement.state] state)
+                                      (get@ [#statement.translation #statement.phase] state))]]
+    (phase.set-state [statementE.bundle
+                      (update@ [#statement.analysis #statement.state]
+                               (: (-> analysis.State+ analysis.State+)
+                                  (|>> product.right
+                                       [(analysisE.bundle eval)]))
+                               state)])))
 
 (def: #export (state host translate translation-bundle)
   (All [anchor expression statement]
-    (-> (Host expression statement)
+    (-> (translation.Host expression statement)
         (translation.Phase anchor expression statement)
         (translation.Bundle anchor expression statement)
         (statement.State+ anchor expression statement)))
   (let [synthesis-state [synthesisE.bundle synthesis.init]
         translation-state [translation-bundle (translation.state host)]
         eval (evaluation.evaluator synthesis-state translation-state translate)
-        analysis-state [(analysisE.bundle eval) (..compiler host)]]
+        analysis-state [(analysisE.bundle eval) (analysis.state ..info host)]]
     [statementE.bundle
      {#statement.analysis {#statement.state analysis-state
                            #statement.phase expressionA.compile}
@@ -89,17 +84,115 @@
       #statement.translation {#statement.state translation-state
                               #statement.phase translate}}]))
 
-(def: #export refresh
+(type: Reader
+  (-> Source (Error [Source Code])))
+
+(def: (reader current-module aliases)
+  (-> Module Aliases (analysis.Operation Reader))
+  (function (_ [bundle state])
+    (let [[cursor offset source-code] (get@ #.source state)]
+      (#error.Success [[bundle state]
+                       (syntax.parse current-module aliases ("lux text size" source-code))]))))
+
+(def: (read reader)
+  (-> Reader (analysis.Operation Code))
+  (function (_ [bundle compiler])
+    (case (reader (get@ #.source compiler))
+      (#error.Error error)
+      (#error.Error error)
+
+      (#error.Success [source' output])
+      (let [[cursor _] output]
+        (#error.Success [[bundle (|> compiler
+                                     (set@ #.source source')
+                                     (set@ #.cursor cursor))]
+                         output])))))
+
+(with-expansions [<Operation> (as-is (All [anchor expression statement]
+                                       (statement.Operation anchor expression statement Any)))]
+
+  (def: (begin hash input)
+    (-> Nat ///.Input <Operation>)
+    (statement.lift-analysis
+     (do phase.Monad<Operation>
+       [#let [module (get@ #///.module input)]
+        _ (module.create hash module)
+        _ (analysis.set-current-module module)]
+       (analysis.set-source-code (analysis.source (get@ #///.module input) (get@ #///.code input))))))
+
+  (def: end
+    (-> Module <Operation>)
+    (|>> module.set-compiled
+         statement.lift-analysis))
+
+  (def: (iteration reader)
+    (-> Reader <Operation>)
+    (do phase.Monad<Operation>
+      [code (statement.lift-analysis
+             (..read reader))
+       _ (totalS.phase code)]
+      ..refresh))
+
+  (def: (loop module)
+    (-> Module <Operation>)
+    (do phase.Monad<Operation>
+      [reader (statement.lift-analysis
+               (..reader module syntax.no-aliases))]
+      (function (_ state)
+        (.loop [state state]
+          (case (..iteration reader state)
+            (#error.Success [state' output])
+            (recur state')
+
+            (#error.Error error)
+            (if (ex.match? syntax.end-of-file error)
+              (#error.Success [state []])
+              (ex.with-stack ///.cannot-compile module (#error.Error error))))))))
+
+  (def: (compile hash input)
+    (-> Nat ///.Input <Operation>)
+    (do phase.Monad<Operation>
+      [#let [module (get@ #///.module input)]
+       _ (..begin hash input)
+       _ (..loop module)]
+      (..end module)))
+
+  (def: (default-dependencies prelude input)
+    (-> Module ///.Input (List Module))
+    (if (text/= prelude (get@ #///.module input))
+      (list)
+      (list prelude)))
+  )
+
+(def: #export (compiler prelude state)
   (All [anchor expression statement]
-    (statement.Operation anchor expression statement Any))
-  (do phase.Monad<Operation>
-    [[bundle state] phase.get-state
-     #let [eval (evaluation.evaluator (get@ [#statement.synthesis #statement.state] state)
-                                      (get@ [#statement.translation #statement.state] state)
-                                      (get@ [#statement.translation #statement.phase] state))]]
-    (phase.set-state [statementE.bundle
-                      (update@ [#statement.analysis #statement.state]
-                               (: (-> analysis.State+ analysis.State+)
-                                  (|>> product.right
-                                       [(analysisE.bundle eval)]))
-                               state)])))
+    (-> Module
+        (statement.State+ anchor expression statement)
+        (Compiler .Module)))
+  (function (_ key parameters input)
+    (let [hash (text/hash (get@ #///.code input))
+          dependencies (default-dependencies prelude input)]
+      {#///.dependencies dependencies
+       #///.process (function (_ archive)
+                      (do error.Monad<Error>
+                        [[state' analysis-module] (phase.run' state
+                                                              (: (All [anchor expression statement]
+                                                                   (statement.Operation anchor expression statement .Module))
+                                                                 (do phase.Monad<Operation>
+                                                                   [_ (compile hash input)]
+                                                                   (statement.lift-analysis
+                                                                    (extension.lift
+                                                                     macro.current-module)))))
+                         #let [descriptor {#descriptor.hash hash
+                                           #descriptor.name (get@ #///.module input)
+                                           #descriptor.file (get@ #///.file input)
+                                           #descriptor.references dependencies
+                                           #descriptor.state #.Compiled}]]
+                        (wrap (#.Right [(document.write key descriptor analysis-module)
+                                        (dictionary.new text.Hash<Text>)]))))})))
+
+(def: #export key
+  (Key .Module)
+  (key.key {#signature.name (name-of ..compiler)
+            #signature.version //.version}
+           (module.new 0)))
diff --git a/stdlib/source/lux/compiler/default/phase/analysis/module.lux b/stdlib/source/lux/compiler/default/phase/analysis/module.lux
index d8736ad72..a8f6bda03 100644
--- a/stdlib/source/lux/compiler/default/phase/analysis/module.lux
+++ b/stdlib/source/lux/compiler/default/phase/analysis/module.lux
@@ -50,7 +50,7 @@
              ["Old annotations" (%code old)]
              ["New annotations" (%code new)]))
 
-(def: (new hash)
+(def: #export (new hash)
   (-> Nat Module)
   {#.module-hash        hash
    #.module-aliases     (list)
diff --git a/stdlib/source/lux/compiler/default/phase/extension.lux b/stdlib/source/lux/compiler/default/phase/extension.lux
index ba3180500..75814ad24 100644
--- a/stdlib/source/lux/compiler/default/phase/extension.lux
+++ b/stdlib/source/lux/compiler/default/phase/extension.lux
@@ -1,5 +1,5 @@
 (.module:
-  [lux #*
+  [lux (#- Name)
    [control
     [monad (#+ do)]
     ["ex" exception (#+ exception:)]]
@@ -13,12 +13,14 @@
    ["." function]]
   ["." //])
 
+(type: #export Name Text)
+
 (type: #export (Extension i)
-  [Text (List i)])
+  [Name (List i)])
 
-(with-expansions [<Bundle> (as-is (Dictionary Text (Handler s i o)))]
+(with-expansions [<Bundle> (as-is (Dictionary Name (Handler s i o)))]
   (type: #export (Handler s i o)
-    (-> Text
+    (-> Name
         (//.Phase [<Bundle> s] i o)
         (//.Phase [<Bundle> s] (List i) o)))
 
@@ -36,14 +38,14 @@
   (//.Phase (State s i o) i o))
 
 (do-template [<name>]
-  [(exception: #export (<name> {name Text})
+  [(exception: #export (<name> {name Name})
      (ex.report ["Extension" (%t name)]))]
 
   [cannot-overwrite]
   [invalid-syntax]
   )
 
-(exception: #export [s i o] (unknown {where Text} {name Text} {bundle (Bundle s i o)})
+(exception: #export [s i o] (unknown {where Text} {name Name} {bundle (Bundle s i o)})
   (ex.report ["Where" (%t where)]
              ["Extension" (%t name)]
              ["Available" (|> bundle
@@ -52,7 +54,7 @@
                               (list/map (|>> %t (format text.new-line text.tab)))
                               (text.join-with ""))]))
 
-(exception: #export (incorrect-arity {name Text} {arity Nat} {args Nat})
+(exception: #export (incorrect-arity {name Name} {arity Nat} {args Nat})
   (ex.report ["Extension" (%t name)]
              ["Expected" (%n arity)]
              ["Actual" (%n args)]))
diff --git a/stdlib/source/lux/compiler/default/phase/statement/total.lux b/stdlib/source/lux/compiler/default/phase/statement/total.lux
index 8b81a134c..15f116aa1 100644
--- a/stdlib/source/lux/compiler/default/phase/statement/total.lux
+++ b/stdlib/source/lux/compiler/default/phase/statement/total.lux
@@ -12,7 +12,7 @@
     ["." analysis
      ["." expression]
      ["." type]
-     [macro (#+ expand)]]
+     ["///." macro]]
     ["." extension]]])
 
 (exception: #export (not-a-statement {code Code})
@@ -46,7 +46,7 @@
                                  
                                  #.None
                                  (///.throw macro-was-not-found macro-name))]
-                        (expression.expand-macro macro-name macro inputs))
+                        (extension.lift (///macro.expand macro-name macro inputs)))
                       
                       _
                       (///.throw not-a-macro code))))]
diff --git a/stdlib/source/lux/compiler/default/platform.lux b/stdlib/source/lux/compiler/default/platform.lux
new file mode 100644
index 000000000..0c0d72024
--- /dev/null
+++ b/stdlib/source/lux/compiler/default/platform.lux
@@ -0,0 +1,109 @@
+(.module:
+  [lux #*
+   [control
+    [monad (#+ do)]]
+   [data
+    ["." product]
+    ["." error]]
+   [world
+    ["." file (#+ File)]]
+   ["." compiler
+    [default
+     ["." init]
+     ["." syntax]
+     ["." phase
+      ["." translation]
+      ["." statement]]]
+    ["." cli (#+ Configuration)]
+    [meta
+     ["." archive]
+     [io
+      ["." context]]]]])
+
+(type: #export (Platform ! anchor expression statement)
+  {#host (translation.Host expression statement)
+   #phase (translation.Phase anchor expression statement)
+   #runtime (translation.Operation anchor expression statement Any)
+   #file-system (file.System !)})
+
+## (def: (write-module target-dir file-name module-name module outputs)
+##   (-> File Text Text Module Outputs (Process Any))
+##   (do io.Monad<Process>
+##     [_ (monad.map @ (product.uncurry (&io.write target-dir))
+##                   (dictionary.entries outputs))]
+##     (&io.write target-dir
+##                (format module-name "/" cache.descriptor-name)
+##                (encoding.to-utf8 (%code (cache/description.write file-name module))))))
+
+(with-expansions [<Platform> (as-is (Platform ! anchor expression statement))
+                  <State+> (as-is (statement.State+ anchor expression statement))
+                  <Bundle> (as-is (translation.Bundle anchor expression statement))]
+
+  (def: #export (initialize platform translation-bundle)
+    (All [! anchor expression statement]
+      (-> <Platform> <Bundle> (! <State+>)))
+    (|> platform
+        (get@ #runtime)
+        statement.lift-translation
+        (phase.run' (init.state (get@ #host platform)
+                                (get@ #phase platform)
+                                translation-bundle))
+        (:: error.Functor<Error> map product.left)
+        (:: (get@ #file-system platform) lift))
+    
+    ## (case (runtimeT.translate ## (initL.compiler (io.run js.init))
+    ##        (initL.compiler (io.run hostL.init-host))
+    ##        )
+    ##   ## (#error.Success [state disk-write])
+    ##   ## (do @
+    ##   ##   [_ (&io.prepare-target target)
+    ##   ##    _ disk-write
+    ##   ##    ## _ (cache/io.pre-load sources target (commonT.load-definition state))
+    ##   ##    ]
+    ##   ##   (wrap (|> state
+    ##   ##             (set@ [#.info #.mode] #.Build))))
+
+    ##   (#error.Success [state [runtime-bc function-bc]])
+    ##   (do @
+    ##     [_ (&io.prepare-target target)
+    ##      ## _ (&io.write target (format hostL.runtime-class ".class") runtime-bc)
+    ##      ## _ (&io.write target (format hostL.function-class ".class") function-bc)
+    ##      ## _ (cache/io.pre-load sources target (commonT.load-definition state))
+    ##      ]
+    ##     (wrap (|> state
+    ##               (set@ [#.info #.mode] #.Build))))
+
+    ##   (#error.Error error)
+    ##   (io.fail error))
+    )
+
+  (def: #export (compile platform configuration state)
+    (All [! anchor expression statement]
+      (-> <Platform> Configuration <State+> (! Any)))
+    (do (:: (get@ #file-system platform) &monad)
+      [input (context.read (get@ #file-system platform)
+                           (get@ #cli.sources configuration)
+                           (get@ #cli.module configuration))
+       ## _ (&io.prepare-module target-dir (get@ #cli.module configuration))
+       ## _ (write-module target-dir file-name (get@ #cli.module configuration) module outputs)
+       ]
+      ## (case (compiler input)
+      ##   (#error.Error error)
+      ##   (:: (get@ #file-system platform) lift (#error.Error error))
+      
+      ##   (#error.Success))
+      (let [compiler (init.compiler syntax.prelude state)
+            compilation (compiler init.key (list) input)]
+        (case ((get@ #compiler.process compilation)
+               archive.empty)
+          (#error.Success more|done)
+          (case more|done
+            (#.Left more)
+            (:: (get@ #file-system platform) lift (#error.Error "NOT DONE!"))
+            
+            (#.Right done)
+            (wrap []))
+          
+          (#error.Error error)
+          (:: (get@ #file-system platform) lift (#error.Error error))))))
+  )
diff --git a/stdlib/source/lux/compiler/meta/archive/document.lux b/stdlib/source/lux/compiler/meta/archive/document.lux
index 237b092da..b99ff9b72 100644
--- a/stdlib/source/lux/compiler/meta/archive/document.lux
+++ b/stdlib/source/lux/compiler/meta/archive/document.lux
@@ -14,38 +14,40 @@
    ["." descriptor (#+ Module Descriptor)]])
 
 ## Document
-(exception: #export (invalid-key {module Module} {expected (Key Any)} {actual (Key Any)})
+(exception: #export (invalid-signature {module Module} {expected Signature} {actual Signature})
   (ex.report ["Module" module]
-             ["Expected" (signature.description (get@ #key.signature expected))]
-             ["Actual" (signature.description (get@ #key.signature actual))]))
+             ["Expected" (signature.description expected)]
+             ["Actual" (signature.description actual)]))
 
 (abstract: #export (Document d)
   {}
   
-  {#key (Key d)
+  {#signature Signature
    #descriptor Descriptor
    #content d}
 
   (def: #export (read key document)
     (All [d] (-> (Key d) (Document Any) (Error d)))
-    (let [[document//key document//descriptor document//content] (:representation document)]
+    (let [[document//signature document//descriptor document//content] (:representation document)]
       (if (:: signature.Equivalence<Signature> =
-              (get@ #key.signature key)
-              (get@ #key.signature document//key))
+              (key.signature key)
+              document//signature)
         (#error.Success (:share [e]
                                 {(Key e)
                                  key}
                                 {e
                                  document//content}))
-        (ex.throw invalid-key [(get@ #descriptor.name document//descriptor) key document//key]))))
+        (ex.throw invalid-signature [(get@ #descriptor.name document//descriptor)
+                                     (key.signature key)
+                                     document//signature]))))
 
   (def: #export (write key descriptor content)
     (All [d] (-> (Key d) Descriptor d (Document d)))
-    (:abstraction {#key key
+    (:abstraction {#signature (key.signature key)
                    #descriptor descriptor
                    #content content}))
 
   (def: #export signature
     (-> (Document Any) Signature)
-    (|>> :representation (get@ #key) (get@ #key.signature)))
+    (|>> :representation (get@ #signature)))
   )
diff --git a/stdlib/source/lux/compiler/meta/archive/key.lux b/stdlib/source/lux/compiler/meta/archive/key.lux
index 1758facf4..50c10ac01 100644
--- a/stdlib/source/lux/compiler/meta/archive/key.lux
+++ b/stdlib/source/lux/compiler/meta/archive/key.lux
@@ -1,8 +1,20 @@
 (.module:
-  [lux #*]
+  [lux #*
+   [type
+    abstract]]
   [//
    [signature (#+ Signature)]])
 
-(type: #export (Key k)
-  {#signature Signature
-   #default k})
+(abstract: #export (Key k)
+  {}
+
+  Signature
+
+  (def: #export signature
+    (-> (Key Any) Signature)
+    (|>> :representation))
+
+  (def: #export (key signature sample)
+    (All [d] (-> Signature d (Key d)))
+    (:abstraction signature))
+  )
diff --git a/stdlib/source/lux/compiler/meta/cache.lux b/stdlib/source/lux/compiler/meta/cache.lux
index 8c93c65e7..bcb7c98f0 100644
--- a/stdlib/source/lux/compiler/meta/cache.lux
+++ b/stdlib/source/lux/compiler/meta/cache.lux
@@ -19,20 +19,27 @@
      ["." set (#+ Set)]]]
    [world
     [file (#+ File System)]]]
-  [//io (#+ Context Module)]
-  ["." //io/context]
-  ["." //io/archive]
-  ["." //archive (#+ Signature Key Descriptor Document Archive)]
+  [//
+   [io (#+ Context Module)
+    ["io/." context]
+    ["io/." archive]]
+   ["." archive (#+ Signature Key Descriptor Document Archive)]
+   ["/." //]]
   ["." /dependency (#+ Dependency Graph)])
 
-(exception: #export (cannot-delete-cached-file {file File})
+(exception: #export (cannot-delete-file {file File})
   (ex.report ["File" file]))
 
-(exception: #export (stale-document {module Text} {current-hash Nat} {stale-hash Nat})
+(exception: #export (stale-document {module ///.Module} {current-hash Nat} {stale-hash Nat})
   (ex.report ["Module" module]
              ["Current hash" (%n current-hash)]
              ["Stale hash" (%n stale-hash)]))
 
+(exception: #export (mismatched-signature {module ///.Module} {expected Signature} {actual Signature})
+  (ex.report ["Module" module]
+             ["Expected" (archive.describe expected)]
+             ["Actual" (archive.describe actual)]))
+
 (do-template [<name>]
   [(exception: #export (<name> {message Text})
      message)]
@@ -44,7 +51,7 @@
 (def: #export (cached System<m> root)
   (All [m] (-> (System m) File (m (List File))))
   (|> root
-      (//io/archive.archive System<m>)
+      (io/archive.archive System<m>)
       (do> (:: System<m> &monad)
            [(:: System<m> files)]
            [(monad.map @ (function (recur file)
@@ -56,7 +63,7 @@
                                         [(:: System<m> files)]
                                         [(monad.map @ recur)]
                                         [list.concat
-                                         (list& (maybe.assume (//io/archive.module System<m> root file)))
+                                         (list& (maybe.assume (io/archive.module System<m> root file)))
                                          wrap]))
                                (wrap (list))))))]
            [list.concat wrap])))
@@ -68,11 +75,11 @@
     [deleted? (:: System<m> delete document)]
     (if deleted?
       (wrap [])
-      (:: System<m> throw cannot-delete-cached-file document))))
+      (:: System<m> throw cannot-delete-file document))))
 
 (def: (un-install System<m> root module)
   (All [m] (-> (System m) File Module (m Any)))
-  (let [document (//io/archive.document System<m> root module)]
+  (let [document (io/archive.document System<m> root module)]
     (|> document
         (do> (:: System<m> &monad)
              [(:: System<m> files)]
@@ -113,15 +120,19 @@
   (All [m d] (-> (System m) (List File) File (Key d) (Format d) Module
                  (m (Maybe [Dependency (Document d)]))))
   (do (:: System<m> &monad)
-    [document' (:: System<m> read (//io/archive.document System<m> root module))
-     [module' source-code] (//io/context.read System<m> contexts module)
+    [document' (:: System<m> read (io/archive.document System<m> root module))
+     [module' source-code] (io/context.read System<m> contexts module)
      #let [current-hash (:: text.Hash<Text> hash source-code)]]
     (case (do error.Monad<Error>
             [[signature descriptor content] (binary.read (..document binary) document')
              #let [[document-hash _file references _state] descriptor]
+             _ (ex.assert mismatched-signature [module (get@ #archive.signature key) signature]
+                          (:: archive.Equivalence<Signature> =
+                              (get@ #archive.signature key)
+                              signature))
              _ (ex.assert stale-document [module current-hash document-hash]
                           (n/= current-hash document-hash))
-             document (//archive.close key signature descriptor content)]
+             document (archive.write key signature descriptor content)]
             (wrap [[module references] document]))
       (#error.Success [dependency document])
       (wrap (#.Some [dependency document]))
diff --git a/stdlib/source/lux/compiler/meta/io/context.lux b/stdlib/source/lux/compiler/meta/io/context.lux
index 2651c771d..32e05c219 100644
--- a/stdlib/source/lux/compiler/meta/io/context.lux
+++ b/stdlib/source/lux/compiler/meta/io/context.lux
@@ -1,5 +1,5 @@
 (.module:
-  [lux (#- Module Source Code)
+  [lux (#- Module Code)
    [control
     monad
     ["ex" exception (#+ Exception exception:)]]
@@ -11,9 +11,12 @@
    [world
     ["." file (#+ File)]
     [binary (#+ Binary)]]]
-  ["." // (#+ Context Module Code)
-   ["/." /// (#+ Source)
-    ["." host]]])
+  ["." // (#+ Context Code)
+   [//
+    [archive
+     [descriptor (#+ Module)]]
+    ["//." // (#+ Input)
+     ["." host]]]])
 
 (do-template [<name>]
   [(exception: #export (<name> {module Module})
@@ -86,7 +89,7 @@
 (def: #export (read System<m> contexts module)
   (All [!]
     (-> (file.System !) (List Context) Module
-        (! Source)))
+        (! Input)))
   (let [find-source-file' (find-source-file System<m> contexts module)]
     (do (:: System<m> &monad)
       [file (try System<m>
diff --git a/stdlib/source/lux/interpreter.lux b/stdlib/source/lux/interpreter.lux
index e44084bc0..8a6d00578 100644
--- a/stdlib/source/lux/interpreter.lux
+++ b/stdlib/source/lux/interpreter.lux
@@ -11,8 +11,9 @@
     ["." check]]
    [compiler
     ["." cli (#+ Configuration)]
-    ["." default (#+ Platform)
+    ["." default
      ["." syntax]
+     ["." platform (#+ Platform)]
      ["." init]
      ["." phase
       ["." analysis
@@ -59,23 +60,24 @@
      [_ (module.create 0 ..module)]
      (analysis.set-current-module ..module))))
 
-(def: (initialize Monad<!> Console<!> platform configuration)
+(def: (initialize Monad<!> Console<!> platform configuration translation-bundle)
   (All [! anchor expression statement]
     (-> (Monad !)
         (Console !) (Platform ! anchor expression statement)
         Configuration
+        (translation.Bundle anchor expression statement)
         (! (State+ anchor expression statement))))
   (do Monad<!>
-    [state (default.initialize platform configuration)
-     state (default.compile-module platform
-                                   (set@ #cli.module syntax.prelude configuration)
-                                   (set@ [#extension.state
-                                          #statement.analysis #statement.state
-                                          #extension.state
-                                          #.info #.mode]
-                                         #.Interpreter
-                                         state))
-     [state _] (:: (get@ #default.file-system platform)
+    [state (platform.initialize platform translation-bundle)
+     state (platform.compile platform
+                             (set@ #cli.module syntax.prelude configuration)
+                             (set@ [#extension.state
+                                    #statement.analysis #statement.state
+                                    #extension.state
+                                    #.info #.mode]
+                                   #.Interpreter
+                                   state))
+     [state _] (:: (get@ #platform.file-system platform)
                    lift (phase.run' state enter-module))
      _ (:: Console<!> write ..welcome-message)]
     (wrap state)))
@@ -184,11 +186,12 @@
                  (set@ #source source'))
              representation]))))
 
-(def: #export (run Monad<!> Console<!> platform configuration)
+(def: #export (run Monad<!> Console<!> platform configuration translation-bundle)
   (All [! anchor expression statement]
     (-> (Monad !)
         (Console !) (Platform ! anchor expression statement)
         Configuration
+        (translation.Bundle anchor expression statement)
         (! Any)))
   (do Monad<!>
     [state (initialize Monad<!> Console<!> platform configuration)]