From: Robert Bradshaw <robertwb@math.washington.edu>
Date: Fri, 18 Feb 2011 21:39:37 +0000 (-0800)
Subject: del test and assignment fix
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=d1ff05f2dc8991ca0d14f6fab535433c45257425;p=cython.git

del test and assignment fix
---

diff --git a/Cython/Compiler/TypeInference.py b/Cython/Compiler/TypeInference.py
index 857a28b0..c788d02c 100644
--- a/Cython/Compiler/TypeInference.py
+++ b/Cython/Compiler/TypeInference.py
@@ -121,6 +121,12 @@ class MarkAssignments(CythonTransform):
         self.visitchildren(node)
         return node
 
+    def visit_DelStatNode(self, node):
+        for arg in node.args:
+            self.mark_assignment(arg, arg)
+        self.visitchildren(node)
+        return node
+
 class MarkOverflowingArithmetic(CythonTransform):
 
     # It may be possible to integrate this with the above for
diff --git a/tests/errors/e_del2.pyx b/tests/errors/e_del2.pyx
deleted file mode 100644
index 20dac71a..00000000
--- a/tests/errors/e_del2.pyx
+++ /dev/null
@@ -1,12 +0,0 @@
-# Errors reported during code generation.
-
-cdef int i
-
-def f(a):
-	del a # error: deletion of local name not supported
-	del i # error: deletion of local name not supported
-
-_ERRORS = u"""
-6:52: Deletion of local or C global name not supported
-7:52: Deletion of local or C global name not supported
-"""
diff --git a/tests/run/delete.pyx b/tests/run/delete.pyx
index 2aabbf42..7157078a 100644
--- a/tests/run/delete.pyx
+++ b/tests/run/delete.pyx
@@ -80,3 +80,10 @@ def del_temp_slice(a):
     while a.attr:
         del a.attr[:]
     return a.attr
+
+def del_local(a):
+    """
+    >>> del_local(object())
+    """
+    del a
+    assert a is None # Until we have unbound locals...