debug/org.eclipse.cdt.debug.application.doc/concepts/cdt_c_comments.htm - cdt/org.eclipse.cdt - Git at Google

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 <title>Comments</title>
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 <h1>Comments</h1>
 <p>Comments are lines in a source file that have been marked to be ignored by the compiler.
 Two styles of comments are supported by current C/C++ compilers:</p>
 <ul>
 <li><samp>/* text */</samp></li>
 <li><samp>// text</samp></li>
 </ul>

 <h2>Comment</h2>
 <p>You can quickly comment out one or more lines of code by inserting the leading
 characters <samp>//</samp> at the beginning of the line.  To do so, select the line
 (or lines) of code you want to comment out and press <strong>CTRL+/</strong> (slash).</p>

 <h2>Uncomment</h2>
 <p>To uncomment  select the line (or lines) of code, and press <strong>CTRL+\</strong>
 (backslash).

 <p><strong>Tip:</strong> The characters <samp>/* */</samp> on lines that are
 already commented out, are not affected when you comment and uncomment code.</p>

 <h2>Multiline comment</h2>
 <p>You can use the Content Assist feature to insert a multi-line comment before a function.
 Type <span class="typewriter">com+Ctrl+Space</span>, and the following code is entered at the cursor location:
 <br><pre>
 /*
  * author userid
  *
  * To change this generated comment edit the template variable "comment":
  * Window > Preferences > C/C++ > Editor > Templates.
  */
  </pre>

  To change the default comment click <strong>Window > Preferences > C > Templates</strong>.  For more information see the
  <a href="cdt_c_content_assist.htm">Content Assist</a> section.

  <p><img src="../images/ngconcepts.gif" ALT="Related concepts" width="143" height="21">
 <br>
 <a href="cdt_c_content_assist.htm">Content Assist and code completion</a></p>
 <p><img src="../images/ngtasks.gif" ALT="Related tasks" width="143" height="21">
 <br>
 <a href="../tasks/cdt_t_cust_cpp_editor.htm">Customizing the C++ editor</a><br>
 <a href="../tasks/cdt_t_comment_out.htm">Commenting out code</a></p>
 <p><img src="../images/ngref.gif" ALT="Related reference" width="143" height="21">
 <br>
 <a href="../reference/cdt_o_ceditor_pref.htm">C/C++ editor preferences</a></p>

 <p>
 <img src="../images/rh03_04.gif" ALT="Red Hat Copyright Statement"><br>
 <img src="../images/ng00_04a.gif" ALT=" IBM Copyright Statement" >
 </p>
 </div>
 </body>

 </html>
	<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
	<html lang="en">

	<head>
	<meta http-equiv="Content-Language" content="en-us">
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
	<title>Comments</title>
	<link rel="stylesheet" type="text/css" href="../help.css">
	</head>

	<body>
	<div role="main">
	<h1>Comments</h1>
	<p>Comments are lines in a source file that have been marked to be ignored by the compiler.
	Two styles of comments are supported by current C/C++ compilers:</p>
	<ul>
	<li><samp>/* text */</samp></li>
	<li><samp>// text</samp></li>
	</ul>

	<h2>Comment</h2>
	<p>You can quickly comment out one or more lines of code by inserting the leading
	characters <samp>//</samp> at the beginning of the line. To do so, select the line
	(or lines) of code you want to comment out and press <strong>CTRL+/</strong> (slash).</p>

	<h2>Uncomment</h2>
	<p>To uncomment select the line (or lines) of code, and press <strong>CTRL+\</strong>
	(backslash).

	<p><strong>Tip:</strong> The characters <samp>/* */</samp> on lines that are
	already commented out, are not affected when you comment and uncomment code.</p>

	<h2>Multiline comment</h2>
	<p>You can use the Content Assist feature to insert a multi-line comment before a function.
	Type <span class="typewriter">com+Ctrl+Space</span>, and the following code is entered at the cursor location:
	<br><pre>
	/*
	* author userid
	*
	* To change this generated comment edit the template variable "comment":
	* Window > Preferences > C/C++ > Editor > Templates.
	*/
	</pre>

	To change the default comment click <strong>Window > Preferences > C > Templates</strong>. For more information see the
	<a href="cdt_c_content_assist.htm">Content Assist</a> section.

	<p><img src="../images/ngconcepts.gif" ALT="Related concepts" width="143" height="21">
	<br>
	<a href="cdt_c_content_assist.htm">Content Assist and code completion</a></p>
	<p><img src="../images/ngtasks.gif" ALT="Related tasks" width="143" height="21">
	<br>
	<a href="../tasks/cdt_t_cust_cpp_editor.htm">Customizing the C++ editor</a><br>
	<a href="../tasks/cdt_t_comment_out.htm">Commenting out code</a></p>
	<p><img src="../images/ngref.gif" ALT="Related reference" width="143" height="21">
	<br>
	<a href="../reference/cdt_o_ceditor_pref.htm">C/C++ editor preferences</a></p>

	<p>
	<img src="../images/rh03_04.gif" ALT="Red Hat Copyright Statement"><br>
	<img src="../images/ng00_04a.gif" ALT=" IBM Copyright Statement" >
	</p>
	</div>
	</body>

	</html>