Mercurial > hg > Members > shinya > pyrect

changeset 93:82a8232625c3

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implement range. but it's not perfect.
author Ryoma SHINYA <shinya@firefly.cr.ie.u-ryukyu.ac.jp>
date Mon, 06 Dec 2010 04:46:38 +0900
parents 87cd1db7ec3f
children 492f543703d5
files pyrect/regexp/nfa_translator.py
diffstat 1 files changed, 8 insertions(+), 0 deletions(-) [+]
line wrap: on
line diff
--- 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()