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28 lines
926 B
Plaintext
28 lines
926 B
Plaintext
/**
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* @name Multiple calls to __del__ during object destruction
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* @description A duplicated call to a super-class __del__ method may lead to class instances not be cleaned up properly.
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* @kind problem
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* @tags efficiency
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* correctness
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* @problem.severity warning
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* @sub-severity high
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* @precision very-high
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* @id py/multiple-calls-to-delete
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*/
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import python
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import MethodCallOrder
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from ClassObject self, FunctionObject multi
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where
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multiple_calls_to_superclass_method(self, multi, "__del__") and
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not multiple_calls_to_superclass_method(self.getABaseType(), multi, "__del__") and
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not exists(FunctionObject better |
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multiple_calls_to_superclass_method(self, better, "__del__") and
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better.overrides(multi)
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) and
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not self.failedInference()
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select self, "Class " + self.getName() + " may not be cleaned up properly as $@ may be called multiple times during destruction.",
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multi, multi.descriptiveString()
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