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24 lines
744 B
Plaintext
24 lines
744 B
Plaintext
/**
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* @name Parameter reassigned in function that uses arguments
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* @description A function that reassigns one of its parameters and also uses the arguments object
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* may not be optimized properly.
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* @kind problem
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* @problem.severity recommendation
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* @id js/parameter-reassignment-with-arguments
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* @tags efficiency
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* maintainability
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* @precision medium
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*/
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import javascript
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from Function f, SimpleParameter p, VarAccess assgn
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where
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p = f.getAParameter() and
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f.usesArgumentsObject() and
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assgn = p.getVariable().getAnAccess() and
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assgn.isLValue()
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select p,
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"This parameter $@, " + "which may prevent optimization because the surrounding function " +
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"uses the arguments object.", assgn, "is reassigned"
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