# HG changeset patch
# User Ryoma SHINYA <shinya@firefly.cr.ie.u-ryukyu.ac.jp>
# Date 1291578398 -32400
# Node ID 82a8232625c354407c8d9e1e2f5a4766f129ae5c
# Parent  87cd1db7ec3fe2229cc3faf9aa0964d12f81ff44
implement range. but it's not perfect.

diff -r 87cd1db7ec3f -r 82a8232625c3 pyrect/regexp/nfa_translator.py
--- a/pyrect/regexp/nfa_translator.py	Sun Dec 05 01:48:56 2010 +0900
+++ b/pyrect/regexp/nfa_translator.py	Mon Dec 06 04:46:38 2010 +0900
@@ -114,6 +114,14 @@
 
         return frag
 
+    def visit_Range(self, range_):
+        elems = range(range_.lower.char, range_.upper.char+1)
+        elems = map(chr, elems)
+        elems = map(Character, elems)
+        union = reduce(Union, elems)
+        return union.accept(self)
+
+
 def test():
     import doctest
     doctest.testmod()