[pypy-svn] r13658 - pypy/dist/pypy/annotation

[ac at codespeak.net]

Author: ac
Date: Tue Jun 21 17:58:27 2005
New Revision: 13658

Modified:
   pypy/dist/pypy/annotation/unaryop.py
Log:
in the case of a empty list .join returns an empty string constant

Modified: pypy/dist/pypy/annotation/unaryop.py
==============================================================================
--- pypy/dist/pypy/annotation/unaryop.py	(original)
+++ pypy/dist/pypy/annotation/unaryop.py	Tue Jun 21 17:58:27 2005
@@ -291,6 +291,9 @@
 
     def method_join(str, s_list):
         getbookkeeper().count("str_join", str)
+        s_item = s_list.listdef.read_item()
+        if s_item == SomeImpossibleValue():
+            return immutablevalue("")            
         return SomeString()
 
     def iter(str):