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Modernize visualizer doc and maybe future plan

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ckormanyos
2025-07-11 19:44:17 +02:00
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doc/tutorial_visualizers.qbk
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[/
Copyright 2011 - 2020 John Maddock.
Copyright 2011 - 2025 John Maddock.
Copyright 2013 - 2019 Paul A. Bristow.
Copyright 2013 Christopher Kormanyos.
Copyright 2013 - 2025 Christopher Kormanyos.
Distributed under the Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at
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[section:visualizers Visual C++ Debugger Visualizers]
[important This section is seriously out of date compared to recent Visual C++ releases.]
[important This section is seriously out of date compared to recent Visual C++ releases. A modernization of Multiprecision's visualizers is planned for Visual Studio 2022 (and beyond). The legacy description has been maintained and is provided below.]
Let's face it debugger multiprecision numbers is hard - simply because we can't easily inspect the value of the numbers.
Visual C++ provides a partial solution in the shape of "visualizers" which provide improved views of complex data structures,
these visualizers need to be added to the `[Visualizer]` section of `autoexp.dat` located in the `Common7/Packages/Debugger`
directory of your Visual Studio installation. The actual visualizer code is in the sandbox
[@https://svn.boost.org/svn/boost/sandbox/boost_docs/subprojects/DebuggerVisualizers/multiprecision.vis.txt here] - just cut and paste the code
into your `autoexp.dat` file.
Let's face it debugging multiprecision numbers is challenging - simply because we can't easily inspect the value of the numbers.
Visual C++ provides a partial solution in the shape of "visualizers" which provide improved views of complex data structures.
Previously, there was preliminary support for visualizers within older versions of Visual Studio.
These legacy visualizers needed to be added to the `[Visualizer]` section of `autoexp.dat` located in the `Common7/Packages/Debugger`
directory of the local Visual Studio installation. The actual visualizer code had previously been stored in the sandbox.
[note These visualizers have only been tested with VC10, also given the ability of buggy visualizers to crash your Visual C++
debugger, make sure you back up `autoexp.dat` file before using these!!]