From: Stefan Behnel <scoder@users.berlios.de>
Date: Thu, 9 Sep 2010 06:52:46 +0000 (+0200)
Subject: fix compiler crash in type inference if we cannot determine the type of the indexing... 
X-Git-Tag: 0.14.alpha0~337
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=59d44445c6c87cab1a4c010b7d80d318a99b820d;p=cython.git

fix compiler crash in type inference if we cannot determine the type of the indexing offset
---

diff --git a/Cython/Compiler/ExprNodes.py b/Cython/Compiler/ExprNodes.py
index ab267126..94dd8cf7 100755
--- a/Cython/Compiler/ExprNodes.py
+++ b/Cython/Compiler/ExprNodes.py
@@ -1960,7 +1960,8 @@ class IndexNode(ExprNode):
             # any better than this:
             return py_object_type
 
-        if self.index.infer_type(env).is_int or isinstance(self.index, (IntNode, LongNode)):
+        index_type = self.index.infer_type(env)
+        if index_type and index_type.is_int or isinstance(self.index, (IntNode, LongNode)):
             # indexing!
             if base_type is unicode_type:
                 # Py_UNICODE will automatically coerce to a unicode string
@@ -1973,6 +1974,7 @@ class IndexNode(ExprNode):
                 return PyrexTypes.c_py_unicode_type
             elif base_type.is_ptr or base_type.is_array:
                 return base_type.base_type
+
         if base_type is unicode_type:
             # this type always returns its own type on Python indexing/slicing
             return base_type