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QL code and tests for C#/C++/JavaScript.

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Pavel Avgustinov
2018-08-02 17:53:23 +01:00
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javascript/ql/src/Statements/LabelInCase.qhelp Normal file
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<!DOCTYPE qhelp PUBLIC
"-//Semmle//qhelp//EN"
"qhelp.dtd">
<qhelp>
<overview>
<p>
JavaScript allows to freely mix <code>case</code> labels and ordinary statement labels in the body of
a <code>switch</code> statement. However, this is confusing to read (especially if both kinds of
labels have the same amount of indentation), and indeed most likely the result of a typo.
</p>
</overview>
<recommendation>
<p>
Examine the statement labels to see whether they were meant to be case labels. If not, consider
wrapping them into a statement block and indent them to set them apart visually from the case
labels.
</p>
</recommendation>
<example>
<p>
In this example, the label <code>case3</code> is most likely a typo for <code>case 3</code> and
should be fixed.
</p>
<sample src="examples/LabelInCase.js" />
</example>
<references>
<li>Ecma International, <i>ECMAScript Language Definition</i>, 5.1 Edition, Section 12.11. ECMA, 2011.</li>
</references>
</qhelp>