1 files changed, 38 insertions, 0 deletions
diff --git a/new-luxc/source/luxc/module/descriptor/common.lux b/new-luxc/source/luxc/module/descriptor/common.lux
new file mode 100644
index 000000000..60a313115
--- /dev/null
+++ b/new-luxc/source/luxc/module/descriptor/common.lux
@@ -0,0 +1,38 @@
+(;module:
+  lux
+  (lux (data [text]
+             (text format
+                   ["l" lexer "l/" Monad<Lexer>])
+             [char]
+             (coll [list "L/" Functor<List>]))))
+
+(type: #export Signal Text)
+
+(do-template [<name> <code>]
+  [(def: #export <name> Signal (|> <code> char;char char;as-text))]
+
+  [cons-signal +5]
+  [nil-signal  +6]
+  [stop-signal +7]
+  )
+
+(do-template [<name> <code>]
+  [(def: #export <name> Signal <code>)]
+
+  [ident-separator ";"]
+  )
+
+(def: #export (encode-list encode-elem types)
+  (All [a] (-> (-> a Text) (List a) Text))
+  (format (|> (L/map encode-elem types)
+              (text;join-with cons-signal))
+          nil-signal))
+
+(def: #export (decode-list decode-elem)
+  (All [a] (-> (l;Lexer a) (l;Lexer (List a))))
+  (l;alt (<| (l;after (l;text nil-signal))
+             (l/wrap []))
+         (<| (l;seq decode-elem)
+             (l;after (l;text cons-signal))
+             (decode-list decode-elem))))
+