Improved compilation of loops and pattern-matching for Python.

1 files changed, 13 insertions, 4 deletions

diff --git a/stdlib/source/lux/target/python.lux b/stdlib/source/lux/target/python.lux
index 700dff481..e38694d08 100644
--- a/stdlib/source/lux/target/python.lux
+++ b/stdlib/source/lux/target/python.lux
@@ -339,18 +339,25 @@
 
   (template [<keyword> <0>]
     [(def: #export <0>
-       Statement
+       (Statement Any)
        (:abstraction <keyword>))]
 
     ["break"    break]
     ["continue" continue]
     )
 
-  (def: #export (while test body!)
-    (-> (Expression Any) (Statement Any) Loop)
+  (def: #export (while test body! else!)
+    (-> (Expression Any) (Statement Any) (Maybe (Statement Any)) Loop)
     (:abstraction
      (format "while " (:representation test) ":"
-             (..nest (:representation body!)))))
+             (..nest (:representation body!))
+             (case else!
+               (#.Some else!)
+               (format text.new_line "else:"
+                       (..nest (:representation else!)))
+               
+               #.None
+               ""))))
 
   (def: #export (for_in var inputs body!)
     (-> SVar (Expression Any) (Statement Any) Loop)
@@ -461,6 +468,8 @@
     ["int"]
     ["len"]
     ["chr"]
+    ["unichr"]
+    ["unicode"]
     ["repr"]
     ["__import__"]
     ["Exception"]]]