Tweaking out the machine voodoo.

hy/lex/machine.py

@@ -87,12 +87,13 @@ class Machine(object):
             if self.submachine:
                 self.submachine.process([char])
                 if type(self.submachine.state) == Idle:
-                    if len(self.submachine.nodes) != 1:
+                    if len(self.submachine.nodes) > 1:
                         raise LexException("Funky Submachine stuff")
 
                     nodes = self.submachine.nodes
                     self.submachine = None
-                    self.state.nodes.append(nodes[0])
+                    if nodes != []:
+                        self.state.nodes.append(nodes[0])
                 continue
 
             new = self.state.process(char)

hy/lex/states.py

@@ -153,6 +153,11 @@ class ListeyThing(State):
             self.machine.sub(String)
             return
 
+        if char == ";":
+            self.commit()
+            self.machine.sub(Comment)
+            return
+
         if char == self.end_char:
             return Idle
 

site/app.hy

@@ -26,7 +26,8 @@
 (route "/" [] (render-template "repl.html"))
 
 (post-route "/hy2py" []
-  (try (hy-to-py (get request.form "code"))
-    (catch LexException (err "Incomplete Code."))
-    (catch HyError (err "Generic error during processing."))
-    (catch Exception (err "Erm, you broke something."))))
+  (try
+    (hy-to-py (get request.form "code"))
+  (catch LexException (err "Incomplete Code."))
+  (catch HyError (err "Generic error during processing."))
+  (catch Exception (err "Erm, you broke something."))))