First-class programs instead of having a "lux program" extension.

40 files changed, 444 insertions, 434 deletions

diff --git a/stdlib/source/documentation/lux.lux b/stdlib/source/documentation/lux.lux
index 086a7212f..947fec8a1 100644
--- a/stdlib/source/documentation/lux.lux
+++ b/stdlib/source/documentation/lux.lux
@@ -1,7 +1,7 @@
 (.require
  [library
   [lux
-   [program (.only program:)]
+   [program (.only program)]
    ["$" documentation]
    ["[0]" debug]
    [control
@@ -893,5 +893,6 @@
                   /test.documentation
                   /world.documentation])))
 
-(program: inputs
-  (io.io (debug.log! ($.markdown ..documentation))))
+(def _
+  (program inputs
+    (io.io (debug.log! ($.markdown ..documentation)))))
diff --git a/stdlib/source/documentation/lux/program.lux b/stdlib/source/documentation/lux/program.lux
index 60f433db2..bc126a34a 100644
--- a/stdlib/source/documentation/lux/program.lux
+++ b/stdlib/source/documentation/lux/program.lux
@@ -53,16 +53,18 @@
   (.List $.Module)
   ($.module /._
             ""
-            [($.definition /.program:
+            [($.definition /.program
                "Defines the entry-point to a program (similar to the 'main' function/method in other programming languages)."
                ["Can take a list of all the input parameters to the program."
-                (program: all_arguments
-                  (do io.monad
-                    [foo (initialize program)]
-                    (do_something_with all_arguments)))]
+                (def _
+                  (program all_arguments
+                    (do io.monad
+                      [foo (initialize program)]
+                      (do_something_with all_arguments))))]
                ["Can also parse them using CLI parsers from the library/lux/control/parser/cli module."
-                (program: [config configuration_parser]
-                  (do io.monad
-                    [data (initialize program with config)]
-                    (do_something_with data)))])]
+                (def _
+                  (program [config configuration_parser]
+                    (do io.monad
+                      [data (initialize program with config)]
+                      (do_something_with data))))])]
             [..\\parser]))
diff --git a/stdlib/source/documentation/lux/test.lux b/stdlib/source/documentation/lux/test.lux
index c66aa8eac..467b04150 100644
--- a/stdlib/source/documentation/lux/test.lux
+++ b/stdlib/source/documentation/lux/test.lux
@@ -67,7 +67,7 @@
 
              ($.definition /.run!
                (format "Executes a test, and exits the program with either a successful or a failing exit code."
-                       \n "WARNING: This procedure is only meant to be used in (program: ...) forms.")
+                       \n "WARNING: This procedure is only meant to be used in (program ...) forms.")
                [(run! test)])
 
              ($.definition /.coverage'
diff --git a/stdlib/source/documentation/lux/world.lux b/stdlib/source/documentation/lux/world.lux
index 795612a5e..2e3dd6945 100644
--- a/stdlib/source/documentation/lux/world.lux
+++ b/stdlib/source/documentation/lux/world.lux
@@ -1,7 +1,6 @@
 (.require
  [library
   [lux (.except)
-   [program (.only program:)]
    ["$" documentation]
    ["[0]" debug]
    [control
diff --git a/stdlib/source/documentation/lux/world/net.lux b/stdlib/source/documentation/lux/world/net.lux
index 1bc599540..6ec146ddf 100644
--- a/stdlib/source/documentation/lux/world/net.lux
+++ b/stdlib/source/documentation/lux/world/net.lux
@@ -1,7 +1,6 @@
 (.require
  [library
   [lux (.except)
-   [program (.only program:)]
    ["$" documentation]
    ["[0]" debug]
    [control
diff --git a/stdlib/source/documentation/lux/world/net/uri.lux b/stdlib/source/documentation/lux/world/net/uri.lux
index ab808ab5f..525dacf19 100644
--- a/stdlib/source/documentation/lux/world/net/uri.lux
+++ b/stdlib/source/documentation/lux/world/net/uri.lux
@@ -1,7 +1,6 @@
 (.require
  [library
   [lux (.except)
-   [program (.only program:)]
    ["$" documentation]
    ["[0]" debug]
    [control
diff --git a/stdlib/source/library/lux/meta/compiler/default/init.lux b/stdlib/source/library/lux/meta/compiler/default/init.lux
index 6d6704655..019edf1c5 100644
--- a/stdlib/source/library/lux/meta/compiler/default/init.lux
+++ b/stdlib/source/library/lux/meta/compiler/default/init.lux
@@ -27,7 +27,7 @@
    ["[1][0]" phase]
    [language
     [lux
-     [program (.only Program)]
+     ["[1][0]" program (.only Program)]
      ["[1][0]" syntax (.only Aliases)]
      ["[1][0]" synthesis]
      ["[1][0]" declaration (.only Requirements)]
@@ -47,6 +47,7 @@
         ["[0]D" lux]]]]]]
    [meta
     ["[0]" archive (.only Archive)
+     ["[0]" unit]
      ["[0]" registry (.only Registry)]
      ["[0]" module (.only)
       ["[0]" descriptor]
@@ -230,62 +231,93 @@
   (-> .Module Aliases)
   (|>> (the .#module_aliases) (dictionary.of_list text.hash)))
 
-(def .public (compiler wrapper expander prelude write_declaration)
-  (All (_ anchor expression declaration)
-    (-> ///phase.Wrapper Expander descriptor.Module (-> declaration Binary)
-        (Instancer (///declaration.State+ anchor expression declaration) .Module)))
-  (let [execute! (declarationP.phase wrapper expander)]
-    (function (_ key parameters input)
-      (let [dependencies (default_dependencies prelude input)]
-        [///.#dependencies dependencies
-         ///.#process (function (_ state archive)
-                        (do [! try.monad]
-                          [.let [hash (text#hash (the ///.#code input))]
-                           [state [source buffer]] (<| (///phase.result' state)
-                                                       (..begin dependencies hash input))
-                           .let [module (the ///.#module input)]]
-                          (loop (again [iteration (<| (///phase.result' state)
-                                                      (..iteration wrapper archive expander module source buffer ///syntax.no_aliases))])
-                            (do !
-                              [[state ?source&requirements&temporary_payload] iteration]
-                              (case ?source&requirements&temporary_payload
-                                {.#None}
-                                (do !
-                                  [[state [analysis_module [final_buffer final_registry]]] (///phase.result' state (..end module))
-                                   .let [descriptor [descriptor.#hash hash
-                                                     descriptor.#name module
-                                                     descriptor.#file (the ///.#file input)
-                                                     descriptor.#references (set.of_list text.hash dependencies)
-                                                     descriptor.#state {.#Compiled}]]]
-                                  (in [state
-                                       {.#Right [[module.#id (try.else module.runtime (archive.id module archive))
-                                                  module.#descriptor descriptor
-                                                  module.#document (document.document key analysis_module)]
-                                                 (sequence#each (function (_ [artifact_id custom declaration])
-                                                                  [artifact_id custom (write_declaration declaration)])
-                                                                final_buffer)
-                                                 final_registry]}]))
+(with_expansions [<parameters> (these anchor expression declaration)]
+  (def (define_program! archive program global program_module program_definition)
+    (All (_ <parameters>)
+      (-> Archive
+          (Program expression declaration) (-> Archive Symbol (///generation.Operation <parameters> expression))
+          descriptor.Module Text
+          (///generation.Operation <parameters> Any)))
+    (do ///phase.monad
+      [ [@program _] (///generation.definition archive [program_module program_definition])
+        @self (///generation.learn [///program.name {.#None}] true (set.has @program (set.empty unit.hash)))
+
+        |program| (global archive [program_module program_definition])
+        @module (///phase.lifted (archive.id program_module archive))]
+      (///generation.save! @self {.#None} (program [@module @self] |program|))))
+
+  (def .public (compiler program global wrapper expander prelude write_declaration program_module program_definition)
+    (All (_ anchor expression declaration)
+      (-> (Program expression declaration) (-> Archive Symbol (///generation.Operation <parameters> expression))
+          ///phase.Wrapper Expander descriptor.Module (-> declaration Binary)
+          descriptor.Module (Maybe Text)
+          (Instancer (///declaration.State+ <parameters>) .Module)))
+    (let [execute! (declarationP.phase wrapper expander)]
+      (function (_ key parameters input)
+        (let [dependencies (default_dependencies prelude input)]
+          [///.#dependencies dependencies
+           ///.#process (function (_ state archive)
+                          (do [! try.monad]
+                            [.let [hash (text#hash (the ///.#code input))]
+                             [state [source buffer]] (<| (///phase.result' state)
+                                                         (..begin dependencies hash input))
+                             .let [module (the ///.#module input)]]
+                            (loop (again [iteration (<| (///phase.result' state)
+                                                        (..iteration wrapper archive expander module source buffer ///syntax.no_aliases))])
+                              (do !
+                                [[state ?source&requirements&temporary_payload] iteration]
+                                (case ?source&requirements&temporary_payload
+                                  {.#None}
+                                  (do !
+                                    [[state [analysis_module [final_buffer final_registry]]]
+                                     (<| (///phase.result' state)
+                                         (do [! ///phase.monad]
+                                           [_ (if (text#= program_module module)
+                                                (case program_definition
+                                                  {.#Some program_definition}
+                                                  (///declaration.lifted_generation
+                                                   (define_program! archive program global program_module program_definition))
+                                                  
+                                                  {.#None}
+                                                  (in []))
+                                                (in []))]
+                                           (..end module)))
+                                     
+                                     .let [descriptor [descriptor.#hash hash
+                                                       descriptor.#name module
+                                                       descriptor.#file (the ///.#file input)
+                                                       descriptor.#references (set.of_list text.hash dependencies)
+                                                       descriptor.#state {.#Compiled}]]]
+                                    (in [state
+                                         {.#Right [[module.#id (try.else module.runtime (archive.id module archive))
+                                                    module.#descriptor descriptor
+                                                    module.#document (document.document key analysis_module)]
+                                                   (sequence#each (function (_ [artifact_id custom declaration])
+                                                                    [artifact_id custom (write_declaration declaration)])
+                                                                  final_buffer)
+                                                   final_registry]}]))
 
-                                {.#Some [source requirements temporary_payload]}
-                                (let [[temporary_buffer temporary_registry] temporary_payload]
-                                  (in [state
-                                       {.#Left [///.#dependencies (|> requirements
-                                                                      (the ///declaration.#imports)
-                                                                      (list#each product.left))
-                                                ///.#process (function (_ state archive)
-                                                               (again (<| (///phase.result' state)
-                                                                          (do [! ///phase.monad]
-                                                                            [analysis_module (<| (is (Operation .Module))
-                                                                                                 ///declaration.lifted_analysis
-                                                                                                 extension.lifted
-                                                                                                 meta.current_module)
-                                                                             _ (///declaration.lifted_generation
-                                                                                (///generation.set_buffer temporary_buffer))
-                                                                             _ (///declaration.lifted_generation
-                                                                                (///generation.set_registry temporary_registry))
-                                                                             _ (|> requirements
-                                                                                   (the ///declaration.#referrals)
-                                                                                   (monad.each ! (execute! archive)))
-                                                                             temporary_payload (..get_current_payload temporary_payload)]
-                                                                            (..iteration wrapper archive expander module source temporary_payload (..module_aliases analysis_module))))))]}]))
-                                )))))]))))
+                                  {.#Some [source requirements temporary_payload]}
+                                  (let [[temporary_buffer temporary_registry] temporary_payload]
+                                    (in [state
+                                         {.#Left [///.#dependencies (|> requirements
+                                                                        (the ///declaration.#imports)
+                                                                        (list#each product.left))
+                                                  ///.#process (function (_ state archive)
+                                                                 (again (<| (///phase.result' state)
+                                                                            (do [! ///phase.monad]
+                                                                              [analysis_module (<| (is (Operation .Module))
+                                                                                                   ///declaration.lifted_analysis
+                                                                                                   extension.lifted
+                                                                                                   meta.current_module)
+                                                                               _ (///declaration.lifted_generation
+                                                                                  (///generation.set_buffer temporary_buffer))
+                                                                               _ (///declaration.lifted_generation
+                                                                                  (///generation.set_registry temporary_registry))
+                                                                               _ (|> requirements
+                                                                                     (the ///declaration.#referrals)
+                                                                                     (monad.each ! (execute! archive)))
+                                                                               temporary_payload (..get_current_payload temporary_payload)]
+                                                                              (..iteration wrapper archive expander module source temporary_payload (..module_aliases analysis_module))))))]}]))
+                                  )))))]))))
+  )
diff --git a/stdlib/source/library/lux/meta/compiler/default/platform.lux b/stdlib/source/library/lux/meta/compiler/default/platform.lux
index 436d6bac3..b0ce99018 100644
--- a/stdlib/source/library/lux/meta/compiler/default/platform.lux
+++ b/stdlib/source/library/lux/meta/compiler/default/platform.lux
@@ -1,6 +1,6 @@
 (.require
  [library
-  [lux (.except)
+  [lux (.except Module)
    ["[0]" debug]
    [abstract
     ["[0]" monad (.only Monad do)]]
@@ -64,7 +64,7 @@
      ["[0]" registry (.only Registry)]
      ["[0]" artifact]
      ["[0]" module (.only)
-      ["[0]" descriptor (.only Descriptor)]
+      ["[0]" descriptor (.only Descriptor Module)]
       ["[0]" document (.only Document)]]]
     ["[0]" io
      ["_[1]" /]
@@ -693,11 +693,12 @@
              product.left)
          archive))
 
-      (def (compiler phase_wrapper expander platform)
+      (def (compiler program global phase_wrapper expander platform program_module program_definition)
         (All (_ <type_vars>)
-          (-> ///phase.Wrapper Expander <Platform>
+          (-> (Program expression declaration) (-> Archive Symbol (///generation.Operation <type_vars> expression))
+              ///phase.Wrapper Expander <Platform> Text (Maybe Module)
               (///.Compiler <State+> .Module Any)))
-        (let [instancer (//init.compiler phase_wrapper expander syntax.prelude (the #write platform))]
+        (let [instancer (//init.compiler program global phase_wrapper expander syntax.prelude (the #write platform) program_module program_definition)]
           (instancer $.key (list))))
 
       (def (custom_compiler import context platform compilation_sources compiler
@@ -868,11 +869,13 @@
                         {try.#Success [context (the compiler.#parameters it) /#value]}
                         (exception.except ..invalid_custom_compiler [/#definition /#type]))))))
 
-      (def .public (compile lux_compiler phase_wrapper import file_context expander platform compilation context)
+      (def .public (compile program global lux_compiler phase_wrapper import file_context expander platform compilation context)
         (All (_ <type_vars>)
-          (-> (-> Any ..Custom) ///phase.Wrapper Import context.Context Expander <Platform> Compilation Lux_Context Lux_Return))
-        (let [[host_dependencies libraries compilers sources target module configuration] compilation
-              import! (|> (..compiler phase_wrapper expander platform)
+          (-> (Program expression declaration) (-> Archive Symbol (///generation.Operation <type_vars> expression))
+              (-> Any ..Custom) ///phase.Wrapper Import context.Context Expander <Platform> Compilation Lux_Context
+              Lux_Return))
+        (let [[host_dependencies libraries compilers sources target program_module program_definition configuration] compilation
+              import! (|> (..compiler program global phase_wrapper expander platform program_module program_definition)
                           (serial_compiler import file_context platform sources)
                           (..parallel context))]
           (do [! ..monad]
@@ -884,5 +887,5 @@
                                                       lux_compiler
                                                       (function.on parameters))))))
                          (monad.all !))]
-            (import! customs descriptor.runtime module))))
+            (import! customs descriptor.runtime program_module))))
       )))
diff --git a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/lux.lux b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/lux.lux
index 5c0593b49..b127af8c6 100644
--- a/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/lux.lux
+++ b/stdlib/source/library/lux/meta/compiler/language/lux/phase/extension/declaration/lux.lux
@@ -271,7 +271,7 @@
                  (/////generation.log! (format tag " : Tag of " (%.type owner))))
                labels)))
 
-(def (deftype_tagged expander host_analysis)
+(def (def_type_tagged expander host_analysis)
   (-> Expander /////analysis.Bundle Handler)
   (..custom
    [(all <>.and <code>.local <code>.any
@@ -459,83 +459,27 @@
          (phase.except ///.invalid_syntax [extension_name %.code inputsC+]))))]
 
   ["Analysis"
-   defanalysis
+   def_analysis
    /////analysis.Handler /////analysis.Handler
    /////declaration.lifted_analysis
    ..analyser]
   ["Synthesis"
-   defsynthesis
+   def_synthesis
    /////synthesis.Handler /////synthesis.Handler
    /////declaration.lifted_synthesis
    ..synthesizer]
   ["Generation"
-   defgeneration
+   def_generation
    (/////generation.Handler anchorT expressionT declarationT) (/////generation.Handler anchor expression declaration)
    /////declaration.lifted_generation
    ..generator]
   ["Declaration"
-   defdeclaration
+   def_declaration
    (/////declaration.Handler anchorT expressionT declarationT) (/////declaration.Handler anchor expression declaration)
    (<|)
    ..declaration]
   )
 
-... TODO; Both "prepare-program" and "define-program" exist only
-... because the old compiler couldn't handle a fully-inlined definition
-... for "defprogram". Inline them ASAP.
-(def (prepare_program archive analyse synthesize programC)
-  (All (_ anchor expression declaration output)
-    (-> Archive
-        /////analysis.Phase
-        /////synthesis.Phase
-        Code
-        (Operation anchor expression declaration Synthesis)))
-  (do phase.monad
-    [[_ programA] (<| /////declaration.lifted_analysis
-                      scope.with
-                      typeA.fresh
-                      (typeA.expecting (type_literal (-> (List Text) (IO Any))))
-                      (analyse archive programC))]
-    (/////declaration.lifted_synthesis
-     (synthesize archive programA))))
-
-(def (define_program archive @module generate program programS)
-  (All (_ anchor expression declaration output)
-    (-> Archive
-        module.ID
-        (/////generation.Phase anchor expression declaration)
-        (Program expression declaration)
-        Synthesis
-        (/////generation.Operation anchor expression declaration Any)))
-  (do phase.monad
-    [dependencies (cache/artifact.dependencies archive programS)
-     [interim_artifacts programG] (/////generation.with_interim_artifacts archive
-                                    (generate archive programS))
-     @self (/////generation.learn [/////program.name {.#None}] true (list#mix set.has dependencies interim_artifacts))]
-    (/////generation.save! @self {.#None} (program [@module @self] programG))))
-
-(def (defprogram program)
-  (All (_ anchor expression declaration)
-    (-> (Program expression declaration) (Handler anchor expression declaration)))
-  (function (handler extension_name phase archive inputsC+)
-    (case inputsC+
-      (list programC)
-      (do phase.monad
-        [state (///.lifted phase.state)
-         .let [analyse (the [/////declaration.#analysis /////declaration.#phase] state)
-               synthesize (the [/////declaration.#synthesis /////declaration.#phase] state)
-               generate (the [/////declaration.#generation /////declaration.#phase] state)]
-         programS (prepare_program archive analyse synthesize programC)
-         current_module (/////declaration.lifted_analysis
-                         (///.lifted meta.current_module_name))
-         @module (phase.lifted (archive.id current_module archive))
-         _ (/////declaration.lifted_generation
-            (define_program archive @module generate program programS))]
-        (in /////declaration.no_requirements))
-
-      _
-      (phase.except ///.invalid_syntax [extension_name %.code inputsC+]))))
-
 (def (bundle::def expander host_analysis program anchorT,expressionT,declarationT extender)
   (All (_ anchor expression declaration)
     (-> Expander
@@ -548,12 +492,11 @@
       (|> ///bundle.empty
           (dictionary.has "module" defmodule)
           (dictionary.has "alias" defalias)
-          (dictionary.has "type tagged" (deftype_tagged expander host_analysis))
-          (dictionary.has "analysis" (defanalysis anchorT,expressionT,declarationT extender))
-          (dictionary.has "synthesis" (defsynthesis anchorT,expressionT,declarationT extender))
-          (dictionary.has "generation" (defgeneration anchorT,expressionT,declarationT extender))
-          (dictionary.has "declaration" (defdeclaration anchorT,expressionT,declarationT extender))
-          (dictionary.has "program" (defprogram program))
+          (dictionary.has "type tagged" (def_type_tagged expander host_analysis))
+          (dictionary.has "analysis" (def_analysis anchorT,expressionT,declarationT extender))
+          (dictionary.has "synthesis" (def_synthesis anchorT,expressionT,declarationT extender))
+          (dictionary.has "generation" (def_generation anchorT,expressionT,declarationT extender))
+          (dictionary.has "declaration" (def_declaration anchorT,expressionT,declarationT extender))
           )))
 
 (def .public (bundle expander host_analysis program anchorT,expressionT,declarationT extender)
diff --git a/stdlib/source/library/lux/meta/compiler/meta/cli.lux b/stdlib/source/library/lux/meta/compiler/meta/cli.lux
index 72e8b7ef1..21d0885ad 100644
--- a/stdlib/source/library/lux/meta/compiler/meta/cli.lux
+++ b/stdlib/source/library/lux/meta/compiler/meta/cli.lux
@@ -56,6 +56,7 @@
     #sources (List Source)
     #target Target
     #module Module
+    #program (Maybe Text)
     #configuration Configuration]))
 
 (type .public Interpretation
@@ -84,6 +85,10 @@
   [configuration_parser "--configuration" Configuration (<text>.then configuration.parser <program>.any)]
   )
 
+(def program_parser
+  (Parser (Maybe Text))
+  (<>.maybe (<program>.named "--program" <program>.any)))
+
 (def .public service
   (Parser Service)
   (let [compilation (is (Parser Compilation)
@@ -94,6 +99,7 @@
                              (<>.some ..source_parser)
                              ..target_parser
                              ..module_parser
+                             ..program_parser
                              (<>.else configuration.empty ..configuration_parser)))]
     (all <>.or
          (<>.after (<program>.this "build")
diff --git a/stdlib/source/library/lux/meta/compiler/meta/packager/ruby.lux b/stdlib/source/library/lux/meta/compiler/meta/packager/ruby.lux
index 39bc028af..1c0d70dc2 100644
--- a/stdlib/source/library/lux/meta/compiler/meta/packager/ruby.lux
+++ b/stdlib/source/library/lux/meta/compiler/meta/packager/ruby.lux
@@ -1,7 +1,6 @@
 (.require
  [library
   [lux (.except)
-   [type (.only sharing)]
    [abstract
     ["[0]" monad (.only do)]]
    [control
@@ -22,6 +21,7 @@
     [number
      ["[0]" nat]]]
    [meta
+    [type (.only sharing)]
     [target
      ["_" ruby]]]
    [world
diff --git a/stdlib/source/library/lux/program.lux b/stdlib/source/library/lux/program.lux
index f7fd562eb..acfe5a74c 100644
--- a/stdlib/source/library/lux/program.lux
+++ b/stdlib/source/library/lux/program.lux
@@ -5,7 +5,7 @@
     [monad (.only do)]]
    [control
     ["<>" parser]
-    ["[0]" io]
+    ["[0]" io (.only IO)]
     [concurrency
      ["[0]" thread]]]
    [meta
@@ -16,6 +16,9 @@
      [syntax (.only syntax)]]]]]
  ["</>" \\parser])
 
+(type .public Program
+  (-> (List Text) (IO Any)))
+
 (type Arguments
   (Variant
    {#Raw Text}
@@ -26,7 +29,7 @@
   (<>.or <code>.local
          (<code>.tuple (<>.some <code>.any))))
 
-(def .public program:
+(def .public program
   (syntax (_ [args ..arguments^
               body <code>.any])
     (with_symbols [g!program g!args g!_ g!output g!message]
@@ -39,22 +42,22 @@
                                                [(, g!output) (, body)
                                                 (, g!_) (,! thread.run!)]
                                                ((,' in) (, g!output)))))]
-        (in (list (` ("lux def program"
-                      (, (case args
-                           {#Raw args}
-                           (` (.function ((, g!program) (, (code.symbol ["" args])))
-                                (, initialization+event_loop)))
-                           
-                           {#Parsed args}
-                           (` (.function ((, g!program) (, g!args))
-                                (case ((,! </>.result) (.is (,! (</>.Parser (io.IO .Any)))
-                                                            ((,! do) (,! <>.monad)
-                                                             [(,* args)
-                                                              (, g!_) (,! </>.end)]
-                                                             ((,' in) (, initialization+event_loop))))
-                                       (, g!args))
-                                  {.#Right (, g!output)}
-                                  (, g!output)
+        (in (list (` (is Program
+                         (, (case args
+                              {#Raw args}
+                              (` (.function ((, g!program) (, (code.symbol ["" args])))
+                                   (, initialization+event_loop)))
+                              
+                              {#Parsed args}
+                              (` (.function ((, g!program) (, g!args))
+                                   (case ((,! </>.result) (.is (,! (</>.Parser (io.IO .Any)))
+                                                               ((,! do) (,! <>.monad)
+                                                                [(,* args)
+                                                                 (, g!_) (,! </>.end)]
+                                                                ((,' in) (, initialization+event_loop))))
+                                          (, g!args))
+                                     {.#Right (, g!output)}
+                                     (, g!output)
 
-                                  {.#Left (, g!message)}
-                                  (.panic! (, g!message)))))))))))))))
+                                     {.#Left (, g!message)}
+                                     (.panic! (, g!message)))))))))))))))
diff --git a/stdlib/source/program/aedifex.lux b/stdlib/source/program/aedifex.lux
index 870ae6dd3..f94f56037 100644
--- a/stdlib/source/program/aedifex.lux
+++ b/stdlib/source/program/aedifex.lux
@@ -1,7 +1,7 @@
 (.require
  [library
   [lux (.except local)
-   [program (.only program:)]
+   ["[0]" program]
    ["[0]" debug]
    [abstract
     [monad (.only do)]]
@@ -10,8 +10,6 @@
     ["[0]" maybe]
     ["[0]" try (.only Try) (.use "[1]#[0]" functor)]
     ["[0]" exception (.only exception)]
-    [parser
-     [environment (.only Environment)]]
     [concurrency
      ["[0]" async (.only Async) (.use "[1]#[0]" monad)]]]
    [data
@@ -34,7 +32,7 @@
    [world
     ["[0]" shell (.only Exit Shell)]
     ["[0]" console (.only Console)]
-    ["[0]" program (.only Program)]
+    ["[0]" environment]
     ["[0]" file (.only Path)
      ["[0]" watch]]
     [net
@@ -69,30 +67,30 @@
        set.list
        (list#each (|>> (/repository/remote.repository http.default {.#None}) /repository.async))))
 
-(def program (program.async program.default))
+(def environment (environment.async environment.default))
 (def fs (file.async file.default))
-(def local (/repository/local.repository ..program ..fs))
+(def local (/repository/local.repository ..environment ..fs))
 
-(def (with_dependencies program console command profile)
+(def (with_dependencies environment console command profile)
   (All (_ a)
-    (-> (Program Async) (Console Async)
-        (-> (Console Async) (Program Async) (file.System Async) (Shell Async) Resolution (Command [Exit a]))
+    (-> (environment.Environment Async) (Console Async)
+        (-> (Console Async) (environment.Environment Async) (file.System Async) (Shell Async) Resolution (Command [Exit a]))
         (Command a)))
   (do /action.monad
     [resolution (/command/deps.do! console
-                                   (/repository/local.repository program (file.async file.default))
+                                   (/repository/local.repository environment (file.async file.default))
                                    (..repositories profile)
                                    (|>> (/repository/remote.repository http.default {.#None})
                                         /repository.async)
                                    profile)
-     [exit_code output] ((command console program (file.async file.default) (shell.async shell.default) resolution) profile)
+     [exit_code output] ((command console environment (file.async file.default) (shell.async shell.default) resolution) profile)
      _ (case exit_code
          (static shell.normal)
          (in [])
 
          _
          (do async.monad
-           [_ (at program exit exit_code)]
+           [_ (at environment exit exit_code)]
            (in {try.#Failure ""})))]
     (in output)))
 
@@ -106,13 +104,13 @@
 
 (def succeed!
   (IO Any)
-  (at program.default exit shell.normal))
+  (at environment.default exit shell.normal))
 
 (def (fail! error)
   (-> Text (IO Any))
   (exec
     (debug.log! error)
-    (at program.default exit shell.error)))
+    (at environment.default exit shell.error)))
 
 (def (command action)
   (All (_ a) (-> (Async (Try a)) (IO Any)))
@@ -150,86 +148,87 @@
                (maybe.trusted (text.clip 0 (-- (text.size it)) it))
                it))))))
 
-(program: [[profiles operation] /cli.command]
-  (do [! io.monad]
-    [console (at ! each (|>> (try.else ..write_only) console.async)
-                 console.default)]
-    (case operation
-      {/cli.#Version}
-      (..command
-       (/command/version.do! console (at /.monoid identity)))
-
-      _
-      (do !
-        [?profile (/input.read io.monad file.default profiles)]
-        (case ?profile
-          {try.#Failure error}
-          (..fail! error)
-
-          {try.#Success profile}
-          (case operation
-            {/cli.#Version}
-            (in [])
-            
-            {/cli.#Clean}
-            (..command
-             (/command/clean.do! console (file.async file.default) profile))
-
-            {/cli.#POM}
-            (..command
-             (/command/pom.do! console (file.async file.default) profile))
-            
-            {/cli.#Install}
-            (..command
-             (/command/install.do! console ..fs ..local profile))
-
-            {/cli.#Deploy repository identity}
-            (..command
-             (case (the /.#identity profile)
-               {.#Some artifact}
-               (case (dictionary.value repository (the /.#deploy_repositories profile))
-                 {.#Some remote}
-                 (/command/deploy.do! ..program
-                                      (shell.async shell.default)
-                                      console
-                                      ..local
-                                      (/repository.async (/repository/remote.repository http.default {.#Some identity} remote))
-                                      (file.async file.default)
-                                      artifact
-                                      profile)
+(def _
+  (program.program [[profiles operation] /cli.command]
+    (do [! io.monad]
+      [console (at ! each (|>> (try.else ..write_only) console.async)
+                   console.default)]
+      (case operation
+        {/cli.#Version}
+        (..command
+         (/command/version.do! console (at /.monoid identity)))
+
+        _
+        (do !
+          [?profile (/input.read io.monad file.default profiles)]
+          (case ?profile
+            {try.#Failure error}
+            (..fail! error)
+
+            {try.#Success profile}
+            (case operation
+              {/cli.#Version}
+              (in [])
+              
+              {/cli.#Clean}
+              (..command
+               (/command/clean.do! console (file.async file.default) profile))
+
+              {/cli.#POM}
+              (..command
+               (/command/pom.do! console (file.async file.default) profile))
+              
+              {/cli.#Install}
+              (..command
+               (/command/install.do! console ..fs ..local profile))
+
+              {/cli.#Deploy repository identity}
+              (..command
+               (case (the /.#identity profile)
+                 {.#Some artifact}
+                 (case (dictionary.value repository (the /.#deploy_repositories profile))
+                   {.#Some remote}
+                   (/command/deploy.do! ..environment
+                                        (shell.async shell.default)
+                                        console
+                                        ..local
+                                        (/repository.async (/repository/remote.repository http.default {.#Some identity} remote))
+                                        (file.async file.default)
+                                        artifact
+                                        profile)
+                   
+                   {.#None}
+                   (async#in (exception.except ..cannot_find_repository [repository (the /.#deploy_repositories profile)])))
                  
                  {.#None}
-                 (async#in (exception.except ..cannot_find_repository [repository (the /.#deploy_repositories profile)])))
-               
-               {.#None}
-               (async#in (exception.except /.no_identity []))))
-            
-            {/cli.#Dependencies}
-            (..command
-             (/command/deps.do! console
-                                (/repository/local.repository ..program (file.async file.default))
-                                (..repositories profile)
-                                (|>> (/repository/remote.repository http.default {.#None})
-                                     /repository.async)
-                                profile))
-
-            {/cli.#Compilation compilation}
-            (case compilation
-              {/cli.#Build} (..command
-                             (..with_dependencies ..program console /command/build.do! profile))
-              {/cli.#Test} (..command
-                            (..with_dependencies ..program console /command/test.do! profile)))
-
-            {/cli.#Auto auto}
-            (do !
-              [?watcher watch.default]
-              (case ?watcher
-                {try.#Failure error}
-                (..fail! error)
-                
-                {try.#Success watcher}
-                (..command
-                 (case auto
-                   {/cli.#Build} (..with_dependencies ..program console (/command/auto.do! /command/auto.delay watcher /command/build.do!) profile)
-                   {/cli.#Test} (..with_dependencies ..program console (/command/auto.do! /command/auto.delay watcher /command/test.do!) profile))))))
-          )))))
+                 (async#in (exception.except /.no_identity []))))
+              
+              {/cli.#Dependencies}
+              (..command
+               (/command/deps.do! console
+                                  (/repository/local.repository ..environment (file.async file.default))
+                                  (..repositories profile)
+                                  (|>> (/repository/remote.repository http.default {.#None})
+                                       /repository.async)
+                                  profile))
+
+              {/cli.#Compilation compilation}
+              (case compilation
+                {/cli.#Build} (..command
+                               (..with_dependencies ..environment console /command/build.do! profile))
+                {/cli.#Test} (..command
+                              (..with_dependencies ..environment console /command/test.do! profile)))
+
+              {/cli.#Auto auto}
+              (do !
+                [?watcher watch.default]
+                (case ?watcher
+                  {try.#Failure error}
+                  (..fail! error)
+                  
+                  {try.#Success watcher}
+                  (..command
+                   (case auto
+                     {/cli.#Build} (..with_dependencies ..environment console (/command/auto.do! /command/auto.delay watcher /command/build.do!) profile)
+                     {/cli.#Test} (..with_dependencies ..environment console (/command/auto.do! /command/auto.delay watcher /command/test.do!) profile))))))
+            ))))))
diff --git a/stdlib/source/program/aedifex/artifact/snapshot/time.lux b/stdlib/source/program/aedifex/artifact/snapshot/time.lux
index b4fb82186..9d9492965 100644
--- a/stdlib/source/program/aedifex/artifact/snapshot/time.lux
+++ b/stdlib/source/program/aedifex/artifact/snapshot/time.lux
@@ -17,7 +17,7 @@
     [time
      ["[0]" instant (.only Instant)]]]]]
  ["[0]" ///
-  ["[1][0]" time
+  ["[1][0]" time (.only)
    ["[1]/[0]" date]
    ["[1]/[0]" time]]])
 
diff --git a/stdlib/source/program/aedifex/artifact/snapshot/version.lux b/stdlib/source/program/aedifex/artifact/snapshot/version.lux
index 3ab65cab4..7bf1b9e3e 100644
--- a/stdlib/source/program/aedifex/artifact/snapshot/version.lux
+++ b/stdlib/source/program/aedifex/artifact/snapshot/version.lux
@@ -8,7 +8,7 @@
     ["<>" parser]]
    [data
     ["[0]" product]
-    ["[0]" text
+    ["[0]" text (.only)
      ["<[1]>" \\parser]]
     [format
      ["[0]" xml (.only XML)
diff --git a/stdlib/source/program/aedifex/artifact/snapshot/version/value.lux b/stdlib/source/program/aedifex/artifact/snapshot/version/value.lux
index 534283b7f..54d190c44 100644
--- a/stdlib/source/program/aedifex/artifact/snapshot/version/value.lux
+++ b/stdlib/source/program/aedifex/artifact/snapshot/version/value.lux
@@ -5,7 +5,7 @@
     [equivalence (.only Equivalence)]]
    [data
     ["[0]" product]
-    ["[0]" text
+    ["[0]" text (.only)
      ["%" \\format]]]]]
  ["[0]" /// (.only Snapshot)
   ["[1][0]" time]
diff --git a/stdlib/source/program/aedifex/artifact/time/time.lux b/stdlib/source/program/aedifex/artifact/time/time.lux
index 01e2c85cb..f093c7577 100644
--- a/stdlib/source/program/aedifex/artifact/time/time.lux
+++ b/stdlib/source/program/aedifex/artifact/time/time.lux
@@ -1,7 +1,6 @@
 (.require
  [library
   [lux (.except)
-   ["[0]" time]
    [abstract
     [monad (.only do)]]
    [control
@@ -12,7 +11,9 @@
      ["<[1]>" \\parser (.only Parser)]]]
    [math
     [number
-     ["n" nat]]]]]
+     ["n" nat]]]
+   [world
+    ["[0]" time]]]]
  ["[0]" //
   ["[1]" date]])
 
diff --git a/stdlib/source/program/aedifex/cli.lux b/stdlib/source/program/aedifex/cli.lux
index 26a1fd325..8e74893a2 100644
--- a/stdlib/source/program/aedifex/cli.lux
+++ b/stdlib/source/program/aedifex/cli.lux
@@ -5,12 +5,13 @@
     [equivalence (.only Equivalence)]
     [monad (.only do)]]
    [control
-    ["<>" parser
-     ["[0]" cli (.only Parser)]]]
+    ["<>" parser]]
    [data
     ["[0]" sum]
     ["[0]" product]
-    ["[0]" text]]]]
+    ["[0]" text]]
+   [program
+    ["cli" \\parser (.only Parser)]]]]
  [//
   [repository
    [identity (.only Identity)]]
diff --git a/stdlib/source/program/aedifex/command/auto.lux b/stdlib/source/program/aedifex/command/auto.lux
index 15d78527b..4e4871f52 100644
--- a/stdlib/source/program/aedifex/command/auto.lux
+++ b/stdlib/source/program/aedifex/command/auto.lux
@@ -12,7 +12,7 @@
      ["[0]" list]
      ["[0]" set]]]
    [world
-    [program (.only Program)]
+    [environment (.only Environment)]
     [shell (.only Exit Shell)]
     [console (.only Console)]
     ["[0]" file (.only)
@@ -46,11 +46,11 @@
 (def .public (do! delay watcher command)
   (All (_ a)
     (-> Nat (Watcher Async)
-        (-> (Console Async) (Program Async) (file.System Async) (Shell Async) Resolution (Command [Exit a]))
-        (-> (Console Async) (Program Async) (file.System Async) (Shell Async) Resolution (Command [Exit Any]))))
-  (function (_ console program fs shell resolution)
+        (-> (Console Async) (Environment Async) (file.System Async) (Shell Async) Resolution (Command [Exit a]))
+        (-> (Console Async) (Environment Async) (file.System Async) (Shell Async) Resolution (Command [Exit Any]))))
+  (function (_ console environment fs shell resolution)
     (function (_ profile)
-      (with_expansions [<call> ((command console program fs shell resolution) profile)]
+      (with_expansions [<call> ((command console environment fs shell resolution) profile)]
         (do [! async.monad]
           [targets (|> profile
                        (the ///.#sources)
diff --git a/stdlib/source/program/aedifex/command/build.lux b/stdlib/source/program/aedifex/command/build.lux
index 9eae7660d..190ec3802 100644
--- a/stdlib/source/program/aedifex/command/build.lux
+++ b/stdlib/source/program/aedifex/command/build.lux
@@ -16,7 +16,7 @@
     ["[0]" text (.use "[1]#[0]" order)
      ["%" \\format (.only format)]]
     [collection
-     ["[0]" list (.use "[1]#[0]" functor mix)]
+     ["[0]" list (.use "[1]#[0]" functor mix monoid)]
      ["[0]" dictionary (.only Dictionary)]
      ["[0]" set]]]
    [math
@@ -34,7 +34,7 @@
       ["[0]" packager (.only)
        ["[0]_[1]" ruby]]]]]
    [world
-    ["[0]" program (.only Program)]
+    ["[0]" environment (.only Environment)]
     ["[0]" file (.only Path)]
     ["[0]" shell (.only Exit Process Shell)]
     ["[0]" console (.only Console)]
@@ -275,19 +275,19 @@
                                 "--add-opens" "java.base/java.lang=ALL-UNNAMED"))
              runtime)))
 
-(def .public (do! console program fs shell resolution)
-  (-> (Console Async) (Program Async) (file.System Async) (Shell Async) Resolution (Command [Exit Lux Path]))
+(def .public (do! console environment fs shell resolution)
+  (-> (Console Async) (Environment Async) (file.System Async) (Shell Async) Resolution (Command [Exit Lux Path]))
   (function (_ profile)
     (let [target (the ///.#target profile)]
       (case (the ///.#program profile)
         {.#None}
         (async#in (exception.except ..no_specified_program []))
 
-        {.#Some program_module}
+        {.#Some [program_module program_definition]}
         (do async.monad
-          [environment (program.environment async.monad program)
-           .let [home (at program home)
-                 working_directory (at program directory)]]
+          [.let [home (at environment home)
+                 working_directory (at environment directory)]
+           environment (environment.environment async.monad environment)]
           (do ///action.monad
             [[resolution lux] (async#in (..lux resolution (the ///.#lux profile)))
              .let [host_dependencies (..host_dependencies fs home resolution)
@@ -320,7 +320,10 @@
                                                         (..plural "--compiler" (list#each compiler.format (the ///.#compilers profile)))
                                                         (..plural "--source" (set.list (the ///.#sources profile)))
                                                         (..singular "--target" cache_directory)
-                                                        (..singular "--module" program_module)
+                                                        (case program_module
+                                                          "" (..singular "--module" program_definition)
+                                                          _ (list#composite (..singular "--module" program_module)
+                                                                            (..singular "--program" program_definition)))
                                                         (..singular "--configuration" (configuration.format (the ///.#configuration profile)))))]
              process (at shell execute [(dictionary.composite environment command_environment)
                                         working_directory
diff --git a/stdlib/source/program/aedifex/command/deploy.lux b/stdlib/source/program/aedifex/command/deploy.lux
index c579f165a..c4dfe7c7d 100644
--- a/stdlib/source/program/aedifex/command/deploy.lux
+++ b/stdlib/source/program/aedifex/command/deploy.lux
@@ -8,7 +8,7 @@
     [concurrency
      [async (.only Async)]]]
    [world
-    [program (.only Program)]
+    [environment (.only Environment)]
     [shell (.only Shell)]
     ["[0]" file]
     ["[0]" console (.only Console)]]]]
@@ -26,11 +26,11 @@
 (def .public success
   "Successfully deployed the project.")
 
-(def .public (do! program shell console local remote fs artifact profile)
-  (-> (Program Async) (Shell Async) (Console Async) (Repository Async) (Repository Async) (file.System Async) Artifact (Command Any))
+(def .public (do! environment shell console local remote fs artifact profile)
+  (-> (Environment Async) (Shell Async) (Console Async) (Repository Async) (Repository Async) (file.System Async) Artifact (Command Any))
   (do [! ///action.monad]
     [_ (if (/snapshot.snapshot? artifact)
          (/snapshot.do! console remote fs artifact profile)
-         (/release.do! program shell console local remote fs artifact profile))]
+         (/release.do! environment shell console local remote fs artifact profile))]
     (is (Async (Try Any))
         (console.write_line ..success console))))
diff --git a/stdlib/source/program/aedifex/command/deploy/release.lux b/stdlib/source/program/aedifex/command/deploy/release.lux
index e30c115d2..d7394d7a3 100644
--- a/stdlib/source/program/aedifex/command/deploy/release.lux
+++ b/stdlib/source/program/aedifex/command/deploy/release.lux
@@ -3,7 +3,6 @@
   [lux (.except)
    ["[0]" ffi (.only import)]
    [abstract
-    [predicate (.only Predicate)]
     ["[0]" monad (.only do)]]
    [control
     ["[0]" pipe]
@@ -11,8 +10,8 @@
     ["[0]" io (.only IO)]
     [concurrency
      ["[0]" async (.only Async)]]
-    [parser
-     ["[0]" environment]]]
+    [function
+     [predicate (.only Predicate)]]]
    [data
     [binary (.only Binary)]
     ["[0]" text (.only)
@@ -34,7 +33,9 @@
       ["[0]" packager
        ["[1]" jvm]]]]]
    [world
-    [program (.only Program)]
+    ["[0]" environment
+     [/ (.only Environment)]
+     ["[1]" \\parser]]
     [console (.only Console)]
     ["[0]" shell (.only Shell)]
     ["[0]" file]]]]
@@ -112,8 +113,8 @@
   (Predicate Artifact)
   (|>> //snapshot.snapshot? not))
 
-(def (install_dummies! program local fs artifact)
-  (-> (Program Async) (Repository Async) (file.System Async) Artifact (Async (Try Any)))
+(def (install_dummies! environment local fs artifact)
+  (-> (Environment Async) (Repository Async) (file.System Async) Artifact (Async (Try Any)))
   (do (try.with async.monad)
     [.let [$artifact (////artifact.uri (the ////artifact.#version artifact) artifact)]
      _ (at local upload (..jar $artifact) ..dummy_jar)
@@ -144,13 +145,13 @@
      _ (..release_unsigned_artifact! local remote signature)]
     (in [])))
 
-(def .public (do! program shell console local remote fs artifact profile)
-  (-> (Program Async) (Shell Async) (Console Async) (Repository Async) (Repository Async) (file.System Async) Artifact (Command Any))
+(def .public (do! environment shell console local remote fs artifact profile)
+  (-> (Environment Async) (Shell Async) (Console Async) (Repository Async) (Repository Async) (file.System Async) Artifact (Command Any))
   (do [! ////action.monad]
     [_ (///install.do! console fs local profile)
-     _ (install_dummies! program local fs artifact)
-     .let [working_directory (at program directory)
-           @root (////repository/local.root program fs)
+     _ (install_dummies! environment local fs artifact)
+     .let [working_directory (at environment directory)
+           @root (////repository/local.root environment fs)
            $bundle (////artifact.bundle (the ////artifact.#version artifact) artifact)
            / (at fs separator)
            @local (%.format @root / $bundle)]
diff --git a/stdlib/source/program/aedifex/command/deploy/snapshot.lux b/stdlib/source/program/aedifex/command/deploy/snapshot.lux
index eec503275..bd253bfcd 100644
--- a/stdlib/source/program/aedifex/command/deploy/snapshot.lux
+++ b/stdlib/source/program/aedifex/command/deploy/snapshot.lux
@@ -2,15 +2,16 @@
  [library
   [lux (.except)
    [abstract
-    [monad (.only do)]
-    [predicate (.only Predicate)]]
+    [monad (.only do)]]
    [control
+    [function
+     [predicate (.only Predicate)]]
     [concurrency
      ["[0]" async (.only Async)]]]
    [data
     ["[0]" binary
      ["[1]" \\format]]
-    ["[0]" text
+    ["[0]" text (.only)
      [encoding
       ["[0]" utf8]]]
     [collection
diff --git a/stdlib/source/program/aedifex/command/deps.lux b/stdlib/source/program/aedifex/command/deps.lux
index 4ffc6e641..4ec5693f0 100644
--- a/stdlib/source/program/aedifex/command/deps.lux
+++ b/stdlib/source/program/aedifex/command/deps.lux
@@ -16,7 +16,6 @@
      ["%" \\format]]]
    [world
     [net (.only URL)]
-    [program (.only Program)]
     ["[0]" file]
     ["[0]" console (.only Console)]]]]
  ["[0]" //
diff --git a/stdlib/source/program/aedifex/command/install.lux b/stdlib/source/program/aedifex/command/install.lux
index 2bd647a44..67739203a 100644
--- a/stdlib/source/program/aedifex/command/install.lux
+++ b/stdlib/source/program/aedifex/command/install.lux
@@ -25,7 +25,6 @@
      [meta
       ["[0]" export]]]]
    [world
-    [program (.only Program)]
     ["[0]" file]
     ["[0]" console (.only Console)]]]]
  ["[0]" //
diff --git a/stdlib/source/program/aedifex/command/test.lux b/stdlib/source/program/aedifex/command/test.lux
index 7acc3e8c9..16a2694d4 100644
--- a/stdlib/source/program/aedifex/command/test.lux
+++ b/stdlib/source/program/aedifex/command/test.lux
@@ -17,7 +17,7 @@
     [macro
      ["^" pattern]]]
    [world
-    ["[0]" program (.only Program)]
+    ["[0]" environment (.only Environment)]
     ["[0]" file]
     ["[0]" shell (.only Exit Shell)]
     ["[0]" console (.only Console)]]]]
@@ -35,14 +35,14 @@
 (def .public success "[TEST ENDED]")
 (def .public failure "[TEST FAILED]")
 
-(def .public (do! console program fs shell resolution profile)
-  (-> (Console Async) (Program Async) (file.System Async) (Shell Async) Resolution (Command [Exit Any]))
+(def .public (do! console environment fs shell resolution profile)
+  (-> (Console Async) (Environment Async) (file.System Async) (Shell Async) Resolution (Command [Exit Any]))
   (do async.monad
-    [environment (program.environment async.monad program)
-     .let [working_directory (at program directory)]]
+    [.let [home (at environment home)
+           working_directory (at environment directory)]
+     environment_vars (environment.environment async.monad environment)]
     (do [! ///action.monad]
-      [.let [home (at program home)]
-       [build_exit compiler program] (//build.do! console program fs shell resolution
+      [[build_exit compiler program] (//build.do! console environment fs shell resolution
                                                   (has ///.#program (the ///.#test profile) profile))]
       (if (i.= shell.normal build_exit)
         (do !
@@ -63,7 +63,7 @@
                                                                        [//build.#Python ///.#python]
                                                                        [//build.#Lua ///.#lua]
                                                                        [//build.#Ruby ///.#ruby]))]
-           process (at shell execute [(dictionary.composite environment command_environment)
+           process (at shell execute [(dictionary.composite environment_vars command_environment)
                                       working_directory
                                       test_command
                                       test_parameters])
diff --git a/stdlib/source/program/aedifex/dependency/resolution.lux b/stdlib/source/program/aedifex/dependency/resolution.lux
index 7cabf5b88..ae075b5b0 100644
--- a/stdlib/source/program/aedifex/dependency/resolution.lux
+++ b/stdlib/source/program/aedifex/dependency/resolution.lux
@@ -6,17 +6,18 @@
    [abstract
     [codec (.only Codec)]
     [equivalence (.only Equivalence)]
-    [monad (.only do)]
-    ["[0]" predicate (.only Predicate)]]
+    [monad (.only do)]]
    [control
     ["[0]" maybe]
     ["[0]" try (.only Try) (.use "[1]#[0]" functor)]
     ["[0]" exception (.only Exception exception)]
+    [function
+     ["[0]" predicate (.only Predicate)]]
     [concurrency
      ["[0]" async (.only Async)]]]
    [data
     ["[0]" binary (.only Binary)]
-    ["[0]" textnone
+    ["[0]" text (.only)
      ["%" \\format (.only format)]
      [encoding
       ["[0]" utf8]]]
@@ -49,7 +50,7 @@
    ["[1][0]" artifact (.only Version Artifact)
     ["[1]/[0]" extension (.only Extension)]
     ["[1]/[0]" versioning]
-    ["[0]" snapshotnone
+    ["[0]" snapshot (.only)
      [version
       ["[0]" value]]]]
    ["[1][0]" repository (.only Repository)
@@ -222,12 +223,13 @@
                   tail
                   resolution)
         _ (do [! async.monad]
-            [?package (case (dictionary.value head resolution)
-                        {.#Some package}
-                        (in {try.#Success package})
+            [?package (is (Async (Try Package))
+                          (case (dictionary.value head resolution)
+                            {.#Some package}
+                            (in {try.#Success package})
 
-                        {.#None}
-                        (..any console repositories head))]
+                            {.#None}
+                            (..any console repositories head)))]
             (case ?package
               {try.#Success package}
               (do !
diff --git a/stdlib/source/program/aedifex/format.lux b/stdlib/source/program/aedifex/format.lux
index 06dfa2988..5eb32d757 100644
--- a/stdlib/source/program/aedifex/format.lux
+++ b/stdlib/source/program/aedifex/format.lux
@@ -8,8 +8,8 @@
      ["[0]" list (.use "[1]#[0]" monad)]
      ["[0]" set (.only Set)]]]
    [meta
+    ["[0]" code]
     [macro
-     ["[0]" code]
      ["[0]" template]]
     [compiler
      [meta
@@ -171,8 +171,8 @@
           (..on_list "compilers" (the /.#compilers value) ..compiler)
           (..on_set "sources" (the /.#sources value) code.text)
           (dictionary.has "target" (code.text (the /.#target value)))
-          (..on_maybe "program" (the /.#program value) code.text)
-          (..on_maybe "test" (the /.#test value) code.text)
+          (..on_maybe "program" (the /.#program value) code.symbol)
+          (..on_maybe "test" (the /.#test value) code.symbol)
           (..on_dictionary "deploy_repositories" (the /.#deploy_repositories value) code.text code.text)
           (,, (with_template [<tag>]
                 [(dictionary.has (template.text [<tag>]) (..runtime (the <tag> value)))]
diff --git a/stdlib/source/program/aedifex/hash.lux b/stdlib/source/program/aedifex/hash.lux
index b292f004b..4506720a1 100644
--- a/stdlib/source/program/aedifex/hash.lux
+++ b/stdlib/source/program/aedifex/hash.lux
@@ -11,7 +11,7 @@
     ["[0]" exception (.only exception)]]
    [data
     ["[0]" binary (.only Binary)]
-    ["[0]" text
+    ["[0]" text (.only)
      ["%" \\format (.only Format format)]
      ["[0]" encoding]]]
    [math
diff --git a/stdlib/source/program/aedifex/input.lux b/stdlib/source/program/aedifex/input.lux
index a29cb49a7..509d8e16f 100644
--- a/stdlib/source/program/aedifex/input.lux
+++ b/stdlib/source/program/aedifex/input.lux
@@ -9,7 +9,7 @@
     ["[0]" try (.only Try)]]
    [data
     [binary (.only Binary)]
-    ["[0]" text
+    ["[0]" text (.only)
      [encoding
       ["[0]" utf8]]]
     [collection
diff --git a/stdlib/source/program/aedifex/parser.lux b/stdlib/source/program/aedifex/parser.lux
index 95197c4d9..0327a4cd9 100644
--- a/stdlib/source/program/aedifex/parser.lux
+++ b/stdlib/source/program/aedifex/parser.lux
@@ -1,6 +1,6 @@
 (.require
  [library
-  [lux (.except Module)
+  [lux (.except type)
    [abstract
     [monad (.only do)]]
    [control
@@ -19,10 +19,7 @@
     [compiler
      [meta
       [cli
-       [compiler (.only Compiler)]]
-      [archive
-       [module
-        [descriptor (.only Module)]]]]]]
+       [compiler (.only Compiler)]]]]]
    [world
     [net (.only URL)]]]]
  ["[0]" //
@@ -171,9 +168,13 @@
   (Parser /.Target)
   <code>.text)
 
-(def module
-  (Parser Module)
-  <code>.text)
+(def module_or_program
+  (Parser Symbol)
+  <code>.symbol)
+
+(def program
+  (Parser Symbol)
+  <code>.global)
 
 (def deploy_repository
   (Parser [Text //repository.Address])
@@ -234,12 +235,12 @@
                        (|> ..target
                            (..singular input "target")
                            (<>.else /.default_target)))
-           ^program (is (Parser (Maybe Module))
+           ^program (is (Parser (Maybe Symbol))
                         (<>.maybe
-                         (..singular input "program" ..module)))
-           ^test (is (Parser (Maybe Module))
+                         (..singular input "program" ..module_or_program)))
+           ^test (is (Parser (Maybe Symbol))
                      (<>.maybe
-                      (..singular input "test" ..module)))
+                      (..singular input "test" ..program)))
            ^deploy_repositories (is (Parser (Dictionary Text //repository.Address))
                                     (<| (at ! each (dictionary.of_list text.hash))
                                         (<>.else (list))
diff --git a/stdlib/source/program/aedifex/profile.lux b/stdlib/source/program/aedifex/profile.lux
index 579c21b41..627073d79 100644
--- a/stdlib/source/program/aedifex/profile.lux
+++ b/stdlib/source/program/aedifex/profile.lux
@@ -175,8 +175,8 @@
     #compilers (List Compiler)
     #sources (Set Source)
     #target Target
-    #program (Maybe Module)
-    #test (Maybe Module)
+    #program (Maybe Symbol)
+    #test (Maybe Symbol)
     #deploy_repositories (Dictionary Text Address)
     #configuration (property.List Text)
     #java Runtime
@@ -207,9 +207,9 @@
        ... #target
        text.equivalence
        ... #program
-       (maybe.equivalence text.equivalence)
+       (maybe.equivalence symbol.equivalence)
        ... #test
-       (maybe.equivalence text.equivalence)
+       (maybe.equivalence symbol.equivalence)
        ... #deploy_repositories
        (dictionary.equivalence text.equivalence)
        ... #configuration
diff --git a/stdlib/source/program/aedifex/repository/identity.lux b/stdlib/source/program/aedifex/repository/identity.lux
index 348a3fc46..eaca93cdb 100644
--- a/stdlib/source/program/aedifex/repository/identity.lux
+++ b/stdlib/source/program/aedifex/repository/identity.lux
@@ -6,7 +6,7 @@
     [equivalence (.only Equivalence)]]
    [data
     ["[0]" product]
-    ["[0]" text
+    ["[0]" text (.only)
      ["%" \\format (.only format)]
      [encoding
       ["[0]" utf8]]]]]])
diff --git a/stdlib/source/program/aedifex/repository/local.lux b/stdlib/source/program/aedifex/repository/local.lux
index 39a5c8396..af9b502aa 100644
--- a/stdlib/source/program/aedifex/repository/local.lux
+++ b/stdlib/source/program/aedifex/repository/local.lux
@@ -11,7 +11,7 @@
     ["[0]" text (.only)
      ["%" \\format (.only format)]]]
    [world
-    [program (.only Program)]
+    [environment (.only Environment)]
     ["[0]" file]
     [net
      ["[0]" uri (.only URI)]]]]]
@@ -20,37 +20,37 @@
    ["[1][0]" local]
    ["[1][0]" metadata]]])
 
-(def .public (root program fs)
-  (-> (Program Async) (file.System Async) file.Path)
+(def .public (root environment fs)
+  (-> (Environment Async) (file.System Async) file.Path)
   (let [/ (at fs separator)]
     (|> ///local.repository
         (text.replaced uri.separator /)
-        (format (at program home) /))))
+        (format (at environment home) /))))
 
 (def (path /)
   (-> Text (-> URI file.Path))
   (text.replaced uri.separator /))
 
-(def (absolute_path program fs)
-  (-> (Program Async) (file.System Async) (-> URI file.Path))
+(def (absolute_path environment fs)
+  (-> (Environment Async) (file.System Async) (-> URI file.Path))
   (let [/ (at fs separator)]
     (|>> ///metadata.local_uri
          (..path /)
-         (format (..root program fs) /))))
+         (format (..root environment fs) /))))
 
-(def .public (repository program fs)
-  (-> (Program Async) (file.System Async) (//.Repository Async))
+(def .public (repository environment fs)
+  (-> (Environment Async) (file.System Async) (//.Repository Async))
   (implementation
    (def description
-     (..root program fs))
+     (..root environment fs))
 
    (def download
-     (|>> (..absolute_path program fs)
+     (|>> (..absolute_path environment fs)
           (at fs read)))
 
    (def (upload uri content)
      (do [! async.monad]
-       [.let [absolute_path (..absolute_path program fs uri)]
+       [.let [absolute_path (..absolute_path environment fs uri)]
         ? (at fs file? absolute_path)
         _ (is (Async (Try Any))
               (if ?
diff --git a/stdlib/source/program/aedifex/runtime.lux b/stdlib/source/program/aedifex/runtime.lux
index 20d270008..db9e662df 100644
--- a/stdlib/source/program/aedifex/runtime.lux
+++ b/stdlib/source/program/aedifex/runtime.lux
@@ -5,7 +5,7 @@
     [equivalence (.only Equivalence)]]
    [data
     ["[0]" product]
-    ["[0]" text
+    ["[0]" text (.only)
      ["%" \\format (.only format)]]
     [collection
      ["[0]" list (.use "[1]#[0]" monoid)]
diff --git a/stdlib/source/program/compositor.lux b/stdlib/source/program/compositor.lux
index 3b5150c7e..3f3009b67 100644
--- a/stdlib/source/program/compositor.lux
+++ b/stdlib/source/program/compositor.lux
@@ -133,7 +133,7 @@
 
 (with_expansions [<parameters> (these anchor expression artifact)]
   (def .public (compiler lux_compiler file_context
-                         expander host_analysis platform generation_bundle host_declaration_bundle program anchorT,expressionT,declarationT extender
+                         expander host_analysis platform generation_bundle host_declaration_bundle program global anchorT,expressionT,declarationT extender
                          service
                          packager,package)
     (All (_ <parameters>)
@@ -144,7 +144,7 @@
           (IO (Platform <parameters>))
           (generation.Bundle <parameters>)
           (-> phase.Wrapper (declaration.Bundle <parameters>))
-          (Program expression artifact)
+          (Program expression artifact) (-> Archive Symbol (generation.Operation <parameters> expression))
           [Type Type Type]
           (-> phase.Wrapper Extender)
           Service
@@ -157,23 +157,44 @@
         (<| (or_crash! "Compilation failed:")
             ..timed
             (do (try.with async.monad)
-              [.let [[compilation_host_dependencies compilation_libraries compilation_compilers compilation_sources compilation_target compilation_module compilation_configuration] compilation]
-               import (import.import (the platform.#file_system platform) compilation_libraries)
+              [import (import.import (the platform.#file_system platform) (the cli.#libraries compilation))
                [state archive phase_wrapper] (sharing [<parameters>]
                                                (is (Platform <parameters>)
                                                    platform)
                                                (is (Async (Try [(declaration.State+ <parameters>)
                                                                 Archive
                                                                 phase.Wrapper]))
-                                                   (as_expected (platform.initialize file_context compilation_module expander host_analysis platform generation_bundle host_declaration_bundle program anchorT,expressionT,declarationT extender
-                                                                                     import compilation_sources compilation_configuration))))
+                                                   (as_expected (platform.initialize file_context
+                                                                                     (the cli.#module compilation)
+                                                                                     expander
+                                                                                     host_analysis
+                                                                                     platform
+                                                                                     generation_bundle
+                                                                                     host_declaration_bundle
+                                                                                     program
+                                                                                     anchorT,expressionT,declarationT
+                                                                                     extender
+                                                                                     import
+                                                                                     (the cli.#sources compilation)
+                                                                                     (the cli.#configuration compilation)))))
                [archive state] (sharing [<parameters>]
                                  (is (Platform <parameters>)
                                      platform)
                                  (is (Async (Try [Archive (declaration.State+ <parameters>)]))
-                                     (as_expected (platform.compile lux_compiler phase_wrapper import file_context expander platform compilation [archive state]))))
+                                     (as_expected (platform.compile program
+                                                                    global
+                                                                    lux_compiler
+                                                                    phase_wrapper
+                                                                    import
+                                                                    file_context
+                                                                    expander
+                                                                    platform
+                                                                    compilation
+                                                                    [archive state]))))
                _ (cache.cache! (the platform.#file_system platform) file_context archive)
-               host_dependencies (..load_host_dependencies (the platform.#file_system platform) compilation_host_dependencies)
+               host_dependencies (..load_host_dependencies (the platform.#file_system platform)
+                                                           (the cli.#host_dependencies compilation))
+
                _ (..package! (for @.old (file.async file.default)
                                   @.jvm (file.async file.default)
                                   ... TODO: Handle this in a safer manner.
diff --git a/stdlib/source/test/aedifex.lux b/stdlib/source/test/aedifex.lux
index 790b09bdc..f30ec52c0 100644
--- a/stdlib/source/test/aedifex.lux
+++ b/stdlib/source/test/aedifex.lux
@@ -1,7 +1,7 @@
 (.require
  [library
   [lux (.except)
-   [program (.only program:)]
+   [program (.only program)]
    ["_" test (.only Test)]
    [control
     ["[0]" io]]]]
@@ -54,8 +54,9 @@
        /runtime.test
        ))
 
-(program: args
-  (<| io.io
-      _.run!
-      (_.times 100)
-      ..test))
+(def _
+  (program args
+    (<| io.io
+        _.run!
+        (_.times 100)
+        ..test)))
diff --git a/stdlib/source/test/lux.lux b/stdlib/source/test/lux.lux
index 04d1ca0f9..74983c2a1 100644
--- a/stdlib/source/test/lux.lux
+++ b/stdlib/source/test/lux.lux
@@ -1,7 +1,7 @@
 (.`` (.`` (.require
            [library
             ["/" lux (.except)
-             [program (.only program:)]
+             [program (.only program)]
              ["_" test (.only Test)]
              [abstract
               [monad (.only do)]]
@@ -1212,15 +1212,16 @@
              /ffi.test
              ))))
 
-(program: args
-  (let [times (for @.old 100
-                   @.jvm 100
-                   @.js 10
-                   @.python 1
-                   @.lua 1
-                   @.ruby 1
-                   100)]
-    (<| io.io
-        _.run!
-        (_.times times)
-        ..test)))
+(def _
+  (program args
+    (let [times (for @.old 100
+                     @.jvm 100
+                     @.js 10
+                     @.python 1
+                     @.lua 1
+                     @.ruby 1
+                     100)]
+      (<| io.io
+          _.run!
+          (_.times times)
+          ..test))))
diff --git a/stdlib/source/test/lux/meta/compiler/meta/cli.lux b/stdlib/source/test/lux/meta/compiler/meta/cli.lux
index 28bc83c3b..156804e1a 100644
--- a/stdlib/source/test/lux/meta/compiler/meta/cli.lux
+++ b/stdlib/source/test/lux/meta/compiler/meta/cli.lux
@@ -40,6 +40,7 @@
          libraries (random.list amount (random.lower_case 3))
          target (random.lower_case 4)
          module (random.lower_case 5)
+         program (random.lower_case 6)
          compilers (random.list amount $/compiler.random)
          configuration ($configuration.random 5)
          .let [compilation' (all list#composite
@@ -128,6 +129,7 @@
                                                 /.#sources sources
                                                 /.#target target
                                                 /.#module module
+                                                /.#program {.#Some program}
                                                 /.#configuration configuration]}]
                               [{/.#Interpretation [/.#host_dependencies host_dependencies
                                                    /.#libraries libraries
@@ -135,6 +137,7 @@
                                                    /.#sources sources
                                                    /.#target target
                                                    /.#module module
+                                                   /.#program {.#Some program}
                                                    /.#configuration configuration]}]
                               [{/.#Export [sources target]}]
                               )))))
diff --git a/stdlib/source/test/lux/program.lux b/stdlib/source/test/lux/program.lux
index 1f31b3874..c2e473f46 100644
--- a/stdlib/source/test/lux/program.lux
+++ b/stdlib/source/test/lux/program.lux
@@ -91,58 +91,48 @@
                         (!expect {try.#Failure _}))))
              ))))
 
-(def actual_program
-  (syntax (_ [actual_program (<| <code>.form
-                                 (<>.after (<code>.this_text "lux def program"))
-                                 <code>.any)])
-    (in (list actual_program))))
-
 (def .public test
   Test
   (<| (_.covering /._)
       (do random.monad
         [inputs (random.list 5 (random.upper_case 5))]
         (all _.and
-             (_.coverage [/.program:]
+             (_.coverage [/.program]
                (let [(open "list#[0]") (list.equivalence text.equivalence)]
-                 (and (with_expansions [<program> (/.program: all_arguments
-                                                    (io.io all_arguments))]
-                        (let [outcome ((is (-> (List Text) (io.IO Any))
-                                           (..actual_program <program>))
-                                       inputs)]
-                          (same? (is Any inputs)
-                                 (io.run! outcome))))
-                      (with_expansions [<program> (/.program: [arg/0 \\parser.any
-                                                               arg/1 \\parser.any
-                                                               arg/2 \\parser.any
-                                                               arg/3 \\parser.any
-                                                               arg/4 \\parser.any]
-                                                    (io.io (list arg/4 arg/3 arg/2 arg/1 arg/0)))]
-                        (let [outcome ((is (-> (List Text) (io.IO Any))
-                                           (..actual_program <program>))
-                                       inputs)]
-                          (list#= (list.reversed inputs)
-                                  (as (List Text) (io.run! outcome)))))
-                      (with_expansions [<program> (/.program: [all_arguments (<>.many \\parser.any)]
-                                                    (io.io all_arguments))]
-                        (let [outcome ((is (-> (List Text) (io.IO Any))
-                                           (..actual_program <program>))
-                                       inputs)]
-                          (list#= inputs
-                                  (as (List Text) (io.run! outcome)))))
-                      (with_expansions [<program> (/.program: [arg/0 \\parser.any
-                                                               arg/1 \\parser.any
-                                                               arg/2 \\parser.any
-                                                               arg/3 \\parser.any]
-                                                    (io.io []))]
-                        (case (try ((is (-> (List Text) (io.IO Any))
-                                        (..actual_program <program>))
-                                    inputs))
-                          {try.#Success _}
-                          false
-                          
-                          {try.#Failure _}
-                          true)))))
+                 (and (let [outcome ((is /.Program
+                                         (/.program all_arguments
+                                           (io.io all_arguments)))
+                                     inputs)]
+                        (same? (is Any inputs)
+                               (io.run! outcome)))
+                      (let [outcome ((is /.Program
+                                         (/.program [arg/0 \\parser.any
+                                                     arg/1 \\parser.any
+                                                     arg/2 \\parser.any
+                                                     arg/3 \\parser.any
+                                                     arg/4 \\parser.any]
+                                           (io.io (list arg/4 arg/3 arg/2 arg/1 arg/0))))
+                                     inputs)]
+                        (list#= (list.reversed inputs)
+                                (as (List Text) (io.run! outcome))))
+                      (let [outcome ((is /.Program
+                                         (/.program [all_arguments (<>.many \\parser.any)]
+                                           (io.io all_arguments)))
+                                     inputs)]
+                        (list#= inputs
+                                (as (List Text) (io.run! outcome))))
+                      (case (try ((is /.Program
+                                      (/.program [arg/0 \\parser.any
+                                                  arg/1 \\parser.any
+                                                  arg/2 \\parser.any
+                                                  arg/3 \\parser.any]
+                                        (io.io [])))
+                                  inputs))
+                        {try.#Success _}
+                        false
+                        
+                        {try.#Failure _}
+                        true))))
 
              ..\\parser
              ))))