1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Visual C++ Debugger Visualizers</title> 5<link rel="stylesheet" href="../../../multiprecision.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../../index.html" title="Chapter 1. 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Visual C++ provides a 33 partial solution in the shape of "visualizers" which provide 34 improved views of complex data structures, these visualizers need to be 35 added to the <code class="computeroutput"><span class="special">[</span><span class="identifier">Visualizer</span><span class="special">]</span></code> section of <code class="computeroutput"><span class="identifier">autoexp</span><span class="special">.</span><span class="identifier">dat</span></code> 36 located in the <code class="computeroutput"><span class="identifier">Common7</span><span class="special">/</span><span class="identifier">Packages</span><span class="special">/</span><span class="identifier">Debugger</span></code> 37 directory of your Visual Studio installation. The actual visualizer code 38 is in the sandbox <a href="https://svn.boost.org/svn/boost/sandbox/boost_docs/subprojects/DebuggerVisualizers/multiprecision.vis.txt" target="_top">here</a> 39 - just cut and paste the code into your <code class="computeroutput"><span class="identifier">autoexp</span><span class="special">.</span><span class="identifier">dat</span></code> 40 file. 41 </p> 42<div class="note"><table border="0" summary="Note"> 43<tr> 44<td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../../../doc/src/images/note.png"></td> 45<th align="left">Note</th> 46</tr> 47<tr><td align="left" valign="top"><p> 48 These visualizers have only been tested with VC10, also given the ability 49 of buggy visualizers to crash your Visual C++ debugger, make sure you 50 back up <code class="computeroutput"><span class="identifier">autoexp</span><span class="special">.</span><span class="identifier">dat</span></code> file before using these!! 51 </p></td></tr> 52</table></div> 53<p> 54 The first visualizer provides improved views of <code class="computeroutput"><span class="identifier">debug_adaptor</span></code>: 55 </p> 56<p> 57 <span class="inlinemediaobject"><img src="../../../../debugger1.png"></span> 58 </p> 59<p> 60 The next visualizer provides improved views of cpp_int: small numbers are 61 displayed as actual values, while larger numbers are displayed as an array 62 of hexadecimal parts, with the most significant part first. 63 </p> 64<p> 65 Here's what it looks like for small values: 66 </p> 67<p> 68 <span class="inlinemediaobject"><img src="../../../../debugger4.png"></span> 69 </p> 70<p> 71 And for larger values: 72 </p> 73<p> 74 <span class="inlinemediaobject"><img src="../../../../debugger5.png"></span> 75 </p> 76<p> 77 There is also a <code class="computeroutput"><span class="special">~</span><span class="identifier">raw</span></code> 78 child member that lets you see the actual members of the class: 79 </p> 80<p> 81 <span class="inlinemediaobject"><img src="../../../../debugger6.png"></span> 82 </p> 83<p> 84 The visualizer for <code class="computeroutput"><span class="identifier">cpp_dec_float</span></code> 85 shows the first few digits of the value in the preview field, and the full 86 array of digits when you expand the view. As before the <code class="computeroutput"><span class="special">~</span><span class="identifier">raw</span></code> child gives you access to the actual 87 data members: 88 </p> 89<p> 90 <span class="inlinemediaobject"><img src="../../../../debugger7.png"></span> 91 </p> 92</div> 93<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 94<td align="left"></td> 95<td align="right"><div class="copyright-footer">Copyright © 2002-2020 John 96 Maddock and Christopher Kormanyos<p> 97 Distributed under the Boost Software License, Version 1.0. (See accompanying 98 file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>) 99 </p> 100</div></td> 101</tr></table> 102<hr> 103<div class="spirit-nav"> 104<a accesskey="p" href="debug_adaptor.html"><img src="../../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../misc.html"><img src="../../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../../index.html"><img src="../../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="../conversions.html"><img src="../../../../../../../doc/src/images/next.png" alt="Next"></a> 105</div> 106</body> 107</html> 108
