From: Stefan Behnel <scoder@users.berlios.de>
Date: Mon, 15 Nov 2010 09:28:15 +0000 (+0100)
Subject: fix list comprehensions as if conditions
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=94ed1b5a3ad59be0af1f5bfc248cdffbf97862f4;p=cython.git

fix list comprehensions as if conditions
---

diff --git a/Cython/Compiler/Nodes.py b/Cython/Compiler/Nodes.py
index 6556d9e2..b077e250 100644
--- a/Cython/Compiler/Nodes.py
+++ b/Cython/Compiler/Nodes.py
@@ -4035,7 +4035,6 @@ class IfClauseNode(Node):
         self.body.analyse_control_flow(env)
         
     def analyse_declarations(self, env):
-        self.condition.analyse_declarations(env)
         self.body.analyse_declarations(env)
     
     def analyse_expressions(self, env):
diff --git a/tests/run/cython3.pyx b/tests/run/cython3.pyx
index 56594bd8..04a569bb 100644
--- a/tests/run/cython3.pyx
+++ b/tests/run/cython3.pyx
@@ -64,6 +64,19 @@ def list_comp_unknown_type(l):
     """
     return [x*2 for x in l if x % 2 == 0]
 
+def listcomp_as_condition(sequence):
+    """
+    >>> listcomp_as_condition(['a', 'b', '+'])
+    True
+    >>> listcomp_as_condition('ab+')
+    True
+    >>> listcomp_as_condition('abc')
+    False
+    """
+    if [1 for c in sequence if c in '+-*/<=>!%&|([^~,']:
+        return True
+    return False
+
 def set_comp():
     """
     >>> sorted(set_comp())
diff --git a/tests/run/listcomp.pyx b/tests/run/listcomp.pyx
index 1d9a38f6..81383061 100644
--- a/tests/run/listcomp.pyx
+++ b/tests/run/listcomp.pyx
@@ -63,3 +63,16 @@ def nested_result():
     """
     result = [[a-1 for a in range(b)] for b in range(4)]
     return result
+
+def listcomp_as_condition(sequence):
+    """
+    >>> listcomp_as_condition(['a', 'b', '+'])
+    True
+    >>> listcomp_as_condition('ab+')
+    True
+    >>> listcomp_as_condition('abc')
+    False
+    """
+    if [1 for c in sequence if c in '+-*/<=>!%&|([^~,']:
+        return True
+    return False