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| <div class="titlepage"><div><div><h4 class="title"> |
| <a name="spirit.lex.reference.lex_basics"></a><a class="link" href="lex_basics.html" title="Basics">Basics</a> |
| </h4></div></div></div> |
| <a name="spirit.lex.reference.lex_basics.examples"></a><h6> |
| <a name="id1148343"></a> |
| <a class="link" href="lex_basics.html#spirit.lex.reference.lex_basics.examples">Examples</a> |
| </h6> |
| <p> |
| All sections in the reference present some real world examples. The examples |
| use a common test harness to keep the example code as minimal and direct |
| to the point as possible. The test harness is presented below. |
| </p> |
| <p> |
| Some includes: |
| </p> |
| <p> |
| |
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| <pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">lex</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">phoenix_core</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">spirit</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span><span class="identifier">phoenix_operator</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">iostream</span><span class="special">></span> |
| <span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">string</span><span class="special">></span> |
| </pre> |
| <p> |
| </p> |
| <p> |
| Our test functions: |
| </p> |
| <p> |
| This one tests token definitions. |
| </p> |
| <a name="spirit.lex.reference.lex_basics.models"></a><h6> |
| <a name="id1148549"></a> |
| <a class="link" href="lex_basics.html#spirit.lex.reference.lex_basics.models">Models</a> |
| </h6> |
| <p> |
| Predefined models include: |
| </p> |
| <div class="itemizedlist"><ul class="itemizedlist" type="disc"> |
| <li class="listitem"> |
| any literal string, e.g. "Hello, World", |
| </li> |
| <li class="listitem"> |
| a pointer/reference to a null-terminated array of characters |
| </li> |
| <li class="listitem"> |
| a <code class="computeroutput"><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special"><</span><span class="identifier">Char</span><span class="special">></span></code> |
| </li> |
| </ul></div> |
| <p> |
| The namespace <code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">spirit</span><span class="special">::</span><span class="identifier">traits</span></code> is open for users to provide their |
| own specializations. |
| </p> |
| </div> |
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| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 2001-2010 Joel de Guzman, Hartmut Kaiser<p> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
| 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>) |
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