<table border="1" cellspacing="0" cellpadding="8">
    <tr>
        <th>Issue</th>
        <td>
            <a href=https://github.com/llvm/llvm-project/issues/214399>214399</a>
        </td>
    </tr>

    <tr>
        <th>Summary</th>
        <td>
            [clang-tidy] Add a new check in cppcoreguidelines for checking enum values' names
        </td>
    </tr>

    <tr>
      <th>Labels</th>
      <td>
            clang-tidy
      </td>
    </tr>

    <tr>
      <th>Assignees</th>
      <td>
      </td>
    </tr>

    <tr>
      <th>Reporter</th>
      <td>
          kiner-shah
      </td>
    </tr>
</table>

<pre>
    ISO C++ Core Guidelines section [Enum.5](https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#enum5-dont-use-all_caps-for-enumerators) states that ALL_CAPS should be avoided for enum names. The reason for this mentioned there is to avoid clashes with macros.

Example given there:
```
 // webcolors.h (third party header)
#define RED 0xFF0000
#define GREEN 0x00FF00
#define BLUE  0x0000FF

// productinfo.h
// The following define product subtypes based on color

enum class Product_info { RED, PURPLE, BLUE };   // syntax error
```

</pre>
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