Warning for implicitly declared variables.

58e5be5f · Robert Bradshaw · 143113fc · 58e5be5f
Commit 58e5be5f authored Jan 21, 2010 by Robert Bradshaw
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Cython/Compiler/ExprNodes.py Cython/Compiler/ExprNodes.py +2 -0

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--- a/Cython/Compiler/ExprNodes.py
+++ b/Cython/Compiler/ExprNodes.py
@@ -1157,6 +1157,8 @@ class NameNode(AtomicExprNode):
        if not self.entry:
            self.entry = env.lookup_here(self.name)
        if not self.entry:
+            if env.directives['warn.undeclared']:
+                warning(self.pos, "implicit declaration of '%s'" % self.name, 1)
            if env.directives['infer_types'] != False:
                type = unspecified_type
            else: