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<a name="Displaying-the-Language"></a>
<h3 class="section">15.2 Displaying the Language</h3>

<p>The following commands help you find out which language is the
working language, and also what language source files were written in.
</p>
<dl compact="compact">
<dt><code>show language</code></dt>
<dd><a name="show-language"></a><a name="index-show-language"></a>
<p>Display the current working language.  This is the
language you can use with commands such as <code>print</code> to
build and compute expressions that may involve variables in your program.
</p>
</dd>
<dt><code>info frame</code></dt>
<dd><a name="index-info-frame_002c-show-the-source-language"></a>
<p>Display the source language for this frame.  This language becomes the
working language if you use an identifier from this frame.
See <a href="Frame-Info.html#Frame-Info">Information about a Frame</a>, to identify the other
information listed here.
</p>
</dd>
<dt><code>info source</code></dt>
<dd><a name="index-info-source_002c-show-the-source-language"></a>
<p>Display the source language of this source file.
See <a href="Symbols.html#Symbols">Examining the Symbol Table</a>, to identify the other
information listed here.
</p></dd>
</dl>

<p>In unusual circumstances, you may have source files with extensions
not in the standard list.  You can then set the extension associated
with a language explicitly:
</p>
<dl compact="compact">
<dt><code>set extension-language <var>ext</var> <var>language</var></code></dt>
<dd><a name="index-set-extension_002dlanguage"></a>
<p>Tell <small>GDB</small> that source files with extension <var>ext</var> are to be
assumed as written in the source language <var>language</var>.
</p>
</dd>
<dt><code>info extensions</code></dt>
<dd><a name="index-info-extensions"></a>
<p>List all the filename extensions and the associated languages.
</p></dd>
</dl>


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