On Sun, Aug 28, 2011 at 1:19 PM, Vitja Makarov <[email protected]> wrote: > I've started #715 ticket investigation. > > > Here is minimal test case: > > # cython: language_level=3 > def foo(target): > return [(e for e in t) for t in target] > > Crash in the ticket is related to GeneratorExpressionScope (name is > not correct, actually ScopedExprScope or NestedScope) > > If you set languange_level to 2 you will see next error: > ... > Compiler crash traceback from this point on: > File "/home/vitja/work/cython-vitek-git/Cython/Compiler/ExprNodes.py", > line 7732, in __init__ > if not result_type.create_from_py_utility_code(env): > AttributeError: 'UnspecifiedType' object has no attribute > 'create_from_py_utility_code' > > > Since ComprehensionNode.append and ComprehensionNode.loop.body is the > same generator body is created twice in MarkClosureVisitor > > So the issue could be solved in two ways: > > - Write special handler for ComprehensionNode in MarkClosureVisitor > - Remove append child attribute from ComprehensionNode (it can be > removed completely or just from children attribute list)
+1 to the latter option (which I see is what you did, thanks). - Robert _______________________________________________ cython-devel mailing list [email protected] http://mail.python.org/mailman/listinfo/cython-devel
