| <html> |
| <head> |
| <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII"> |
| <title>no_exceptions_support</title> |
| <link rel="stylesheet" href="../../../../../doc/src/boostbook.css" type="text/css"> |
| <meta name="generator" content="DocBook XSL Stylesheets V1.78.1"> |
| <link rel="home" href="../index.html" title="Chapter 1. Boost.Core"> |
| <link rel="up" href="../index.html" title="Chapter 1. Boost.Core"> |
| <link rel="prev" href="lightweight_test.html" title="lightweight_test"> |
| <link rel="next" href="noncopyable.html" title="noncopyable"> |
| </head> |
| <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> |
| <table cellpadding="2" width="100%"><tr> |
| <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../boost.png"></td> |
| <td align="center"><a href="../../../../../index.html">Home</a></td> |
| <td align="center"><a href="../../../../../libs/libraries.htm">Libraries</a></td> |
| <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> |
| <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> |
| <td align="center"><a href="../../../../../more/index.htm">More</a></td> |
| </tr></table> |
| <hr> |
| <div class="spirit-nav"> |
| <a accesskey="p" href="lightweight_test.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.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="noncopyable.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> |
| </div> |
| <div class="section"> |
| <div class="titlepage"><div><div><h2 class="title" style="clear: both"> |
| <a name="core.no_exceptions_support"></a><a class="link" href="no_exceptions_support.html" title="no_exceptions_support">no_exceptions_support</a> |
| </h2></div></div></div> |
| <div class="toc"><dl class="toc"><dt><span class="section"><a href="no_exceptions_support.html#core.no_exceptions_support.header_boost_core_no_exceptions_">Header |
| <boost/core/no_exceptions_support.hpp></a></span></dt></dl></div> |
| <div class="simplesect"> |
| <div class="titlepage"><div><div><h3 class="title"> |
| <a name="idp86807552"></a>Authors</h3></div></div></div> |
| <div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "><li class="listitem"> |
| Pavel Vozenilek |
| </li></ul></div> |
| </div> |
| <div class="section"> |
| <div class="titlepage"><div><div><h3 class="title"> |
| <a name="core.no_exceptions_support.header_boost_core_no_exceptions_"></a><a class="link" href="no_exceptions_support.html#core.no_exceptions_support.header_boost_core_no_exceptions_" title="Header <boost/core/no_exceptions_support.hpp>">Header |
| <boost/core/no_exceptions_support.hpp></a> |
| </h3></div></div></div> |
| <p> |
| The header <code class="computeroutput"><span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">core</span><span class="special">/</span><span class="identifier">no_exceptions_support</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span></code> |
| defines macros for use in code that needs to be portable to environments |
| that do not have support for C++ exceptions. |
| </p> |
| <div class="section"> |
| <div class="titlepage"><div><div><h4 class="title"> |
| <a name="core.no_exceptions_support.header_boost_core_no_exceptions_.synopsis"></a><a class="link" href="no_exceptions_support.html#core.no_exceptions_support.header_boost_core_no_exceptions_.synopsis" title="Synopsis">Synopsis</a> |
| </h4></div></div></div> |
| <pre class="programlisting"><span class="preprocessor">#define</span> <span class="identifier">BOOST_TRY</span> <span class="comment">/*unspecified*/</span> |
| <span class="preprocessor">#define</span> <span class="identifier">BOOST_CATCH</span><span class="special">(</span><span class="identifier">x</span><span class="special">)</span> <span class="comment">/*unspecified*/</span> |
| <span class="preprocessor">#define</span> <span class="identifier">BOOST_CATCH_END</span> <span class="comment">/*unspecified*/</span> |
| <span class="preprocessor">#define</span> <span class="identifier">BOOST_RETHROW</span> <span class="comment">/*unspecified*/</span> |
| </pre> |
| </div> |
| <div class="section"> |
| <div class="titlepage"><div><div><h4 class="title"> |
| <a name="core.no_exceptions_support.header_boost_core_no_exceptions_.example_use"></a><a class="link" href="no_exceptions_support.html#core.no_exceptions_support.header_boost_core_no_exceptions_.example_use" title="Example Use">Example |
| Use</a> |
| </h4></div></div></div> |
| <pre class="programlisting"><span class="keyword">void</span> <span class="identifier">foo</span><span class="special">()</span> <span class="special">{</span> |
| <span class="identifier">BOOST_TRY</span> <span class="special">{</span> |
| <span class="special">...</span> |
| <span class="special">}</span> <span class="identifier">BOOST_CATCH</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">bad_alloc</span><span class="special">&)</span> <span class="special">{</span> |
| <span class="special">...</span> |
| <span class="identifier">BOOST_RETHROW</span> |
| <span class="special">}</span> <span class="identifier">BOOST_CATCH</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">exception</span><span class="special">&</span> <span class="identifier">e</span><span class="special">)</span> <span class="special">{</span> |
| <span class="special">...</span> |
| <span class="special">}</span> |
| <span class="identifier">BOOST_CATCH_END</span> |
| <span class="special">}</span> |
| </pre> |
| <p> |
| With exception support enabled it will expand into: |
| </p> |
| <pre class="programlisting"><span class="keyword">void</span> <span class="identifier">foo</span><span class="special">()</span> <span class="special">{</span> |
| <span class="special">{</span> <span class="keyword">try</span> <span class="special">{</span> |
| <span class="special">...</span> |
| <span class="special">}</span> <span class="keyword">catch</span> <span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">bad_alloc</span><span class="special">&)</span> <span class="special">{</span> |
| <span class="special">...</span> |
| <span class="keyword">throw</span><span class="special">;</span> |
| <span class="special">}</span> <span class="keyword">catch</span> <span class="special">(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">exception</span><span class="special">&</span> <span class="identifier">e</span><span class="special">)</span> <span class="special">{</span> |
| <span class="special">...</span> |
| <span class="special">}</span> |
| <span class="special">}</span> |
| <span class="special">}</span> |
| </pre> |
| <p> |
| With exception support disabled it will expand into: |
| </p> |
| <pre class="programlisting"><span class="keyword">void</span> <span class="identifier">foo</span><span class="special">()</span> <span class="special">{</span> |
| <span class="special">{</span> <span class="keyword">if</span><span class="special">(</span><span class="keyword">true</span><span class="special">)</span> <span class="special">{</span> |
| <span class="special">...</span> |
| <span class="special">}</span> <span class="keyword">else</span> <span class="keyword">if</span> <span class="special">(</span><span class="keyword">false</span><span class="special">)</span> <span class="special">{</span> |
| <span class="special">...</span> |
| <span class="special">}</span> <span class="keyword">else</span> <span class="keyword">if</span> <span class="special">(</span><span class="keyword">false</span><span class="special">)</span> <span class="special">{</span> |
| <span class="special">...</span> |
| <span class="special">}</span> |
| <span class="special">}</span> |
| <span class="special">}</span> |
| </pre> |
| </div> |
| </div> |
| </div> |
| <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> |
| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 2014 Peter Dimov<br>Copyright © 2014 Glen Fernandes<br>Copyright © 2014 Andrey Semashev<p> |
| Distributed under the <a href="http://boost.org/LICENSE_1_0.txt" target="_top">Boost |
| Software License, Version 1.0</a>. |
| </p> |
| </div></td> |
| </tr></table> |
| <hr> |
| <div class="spirit-nav"> |
| <a accesskey="p" href="lightweight_test.html"><img src="../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../index.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="noncopyable.html"><img src="../../../../../doc/src/images/next.png" alt="Next"></a> |
| </div> |
| </body> |
| </html> |
