Fixed #824 -- corrected a crash when lookarounds were used in branches

topazproject · Oct 20, 2013 · fa28c22acc52d3ccffb310fc3180a2153dafe449 · fa28c22
1 parent dce3eef
commit fa28c22acc52d3ccffb310fc3180a2153dafe449
Unified Split

Showing with 4 additions and 0 deletions.

+1 −0 tests/objects/test_regexpobject.py

+3 −0 topaz/utils/regexp.py
diff --git a/tests/objects/test_regexpobject.py b/tests/objects/test_regexpobject.py
@@ -52,6 +52,7 @@ def test_compile_regexps(self, space):
         /(?<=b)/
         /\\A|\\z/
         /[[:alnum:]]/
+        /(?=a)|b/
         """)
 
     def test_regexp_syntax_errors(self, space):

diff --git a/topaz/utils/regexp.py b/topaz/utils/regexp.py
@@ -683,6 +683,9 @@ def __init__(self, subpattern, behind, positive):
     def fix_groups(self):
         self.subpattern.fix_groups()
 
+    def can_be_affix(self):
+        return self.subpattern.can_be_affix()
+
     def optimize(self, info, in_set=False):
         return LookAround(self.subpattern.optimize(info), self.behind, self.positive)