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23 lines
748 B
Plaintext
23 lines
748 B
Plaintext
/**
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* @name Unnecessary 'else' clause in loop
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* @description An 'else' clause in a 'for' or 'while' statement that does not contain a 'break' is redundant.
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* @kind problem
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* @tags maintainability
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* useless-code
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* @problem.severity warning
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* @sub-severity low
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* @precision very-high
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* @id py/redundant-else
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*/
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import python
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from Stmt loop, StmtList body, StmtList clause, string kind
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where
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(exists(For f | f = loop | clause = f.getOrelse() and body = f.getBody() and kind = "for")
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or
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exists(While w | w = loop | clause = w.getOrelse() and body = w.getBody() and kind = "while")
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)
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and not exists(Break b | body.contains(b))
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select loop, "This '" + kind + "' statement has a redundant 'else' as no 'break' is present in the body."
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