| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> |
| <html> |
| <head> |
| <title>Predefined Macros</title> |
| <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> |
| <link href="theme/style.css" rel="stylesheet" type="text/css"> |
| </head> |
| |
| <body> |
| <table width="100%" border="0" cellspacing="2" background="theme/bkd2.gif"> |
| <tr> |
| <td width="21"> <h1></h1></td> |
| <td width="885"> <font face="Verdana, Arial, Helvetica, sans-serif"><b><font size="6">Predefined |
| Macros </font></b></font></td> |
| <td width="96"><a href="http://www.boost.org"><img src="theme/wave.gif" width="93" height="68" align="right" border="0"></a></td> |
| </tr> |
| </table> |
| <br> |
| <table border="0"> |
| <tr> |
| <td width="10"></td> |
| <td width="30"><a href="../index.html"><img src="theme/u_arr.gif" border="0"></a></td> |
| <td width="30"><a href="class_reference_inptpolcy.html"><img src="theme/l_arr.gif" width="20" height="19" border="0"></a></td> |
| <td width="30"><a href="macro_expansion_process.html"><img src="theme/r_arr.gif" border="0"></a></td> |
| </tr> |
| </table> |
| <p dir="ltr">The following table lists the macros, which are predefined by the |
| <tt>Wave</tt> library. Some of these (all except the <code class="keyword">__LINE__</code>, |
| <code class="keyword">__FILE__</code>, <code class="keyword">__BASE_FILE__</code>, <code class="keyword">__DATE__</code>, |
| <code class="keyword">__TIME__</code>, <code class="keyword">__STDC__, __INCLUDE_LEVEL__</code> |
| and <code class="keyword">__cplusplus</code> macros) may be undefined from the command line of the driver executable |
| (<a href="wave_driver.html">see</a> the -U option) or through the function <a href="class_reference_context.html#remove_macro_definition">remove_macro_definition()</a>.</p> |
| <table width="90%" border="0" align="center"> |
| <tr> |
| <td colspan="3" class="table_title"><b>Summary of predefined macros</b></td> |
| </tr> |
| <tr class="table_title"> |
| <td width="28%"><b>Name</b></td> |
| <td width="62%"><p><code><font face="Verdana, Arial, Helvetica, sans-serif">Value</font></code></p></td> |
| <td width="10%">Undefinable</td> |
| </tr> |
| <tr> |
| <td width="28%" class="table_cells"><code>__STDC__</code></td> |
| <td width="62%" class="table_cells"><p> 1 (a decimal constant)</p></td> |
| <td width="10%" class="table_cells"><p>yes</p></td> |
| </tr> |
| <tr> |
| <td width="28%" class="table_cells"><code>__cplusplus</code></td> |
| <td width="62%" class="table_cells"> <p>199711L (a decimal constant), this |
| is defined in C++ mode only (C99 mode is off)<br> |
| In the C++0x mode this decimal constant is guaranteed to be larger than |
| 199711L (the concrete value is to be defined by the C++ committee).</p></td> |
| <td width="10%" class="table_cells"><p>no</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__LINE__</code></td> |
| <td class="table_cells"><p>The line number of the current source line (a decimal |
| constant)</p></td> |
| <td class="table_cells"><p>no</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__FILE__</code></td> |
| <td class="table_cells"><p>The presumed name of the source file (a character string literal)</p></td> |
| <td class="table_cells"><p>no</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__BASE_FILE__</code></td> |
| <td class="table_cells"><p> This macro expands to the name of the main input file (a character string literal). This is the source file that was specified during construction of the <a href="class_reference_context.html"><tt>wave::context</tt></a> template.</p></td> |
| <td class="table_cells"><p>no</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__DATE__</code></td> |
| <td class="table_cells"><p>The date of translation of the source file (a character |
| string literal of the form<br> |
| "Mmm dd yyyy", where the names of the months are the same as |
| those generated by the asctime function, and the first character of dd |
| is a space character if the value is less than 10). </p></td> |
| <td class="table_cells"><p>no</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__TIME__</code></td> |
| <td class="table_cells"><p>The time of translation of the source file (a character |
| string literal of the form "hh:mm:ss"<br> |
| as in the time generated by the asctime function).</p></td> |
| <td class="table_cells"><p>no</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__INCLUDE_LEVEL__</code></td> |
| <td class="table_cells"><p>A decimal integer constant that represents the |
| depth of nesting in include <br> |
| files. The value of this macro is incremented on every <tt>#include</tt> |
| directive <br> |
| and decremented at every end of file. </p></td> |
| <td class="table_cells"><p>no</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__WAVE__</code><br> <code>__SPIRIT_PP__</code></td> |
| <td class="table_cells"><p>The version of the driver program (a hexadecinal |
| constant of the form 0xMmrr, where <span class="literal">'M'</span> is |
| the major version number, <span class="literal">'m'</span> the minor version |
| number and <span class="literal">'rr'</span> the release number).</p></td> |
| <td class="table_cells"><p>yes</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__WAVE_VERSION__</code><br> <code>__SPIRIT_PP_VERSION__</code></td> |
| <td class="table_cells"><p>The full version number of the driver program (a |
| hexadecimal constant of the form 0xMmrrbbbb, where <span class="literal">'M'</span> |
| is the major version number, <span class="literal">'m'</span> the minor |
| version number, <span class="literal">'rr'</span> the release number and |
| <span class="literal">'bbbb'</span> the build number).</p></td> |
| <td class="table_cells"><p>yes</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__WAVE_VERSION_STR__</code><br> <code>__SPIRIT_PP_VERSION_STR__</code></td> |
| <td class="table_cells"><p>The full version number of the driver program (a |
| character string literal of the form <span class="string">"M.m.rr.bbbb"</span>, |
| where <span class="literal">'M'</span> is the major version number, <span class="literal">'m'</span> |
| the minor version number, <span class="literal">'rr'</span> the release |
| number and <span class="literal">'bbbb'</span> the build number).</p></td> |
| <td class="table_cells"><p>yes</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__STDC_VERSION__</code></td> |
| <td class="table_cells"><p>199901L (a decimal constant), this is defined in C99 mode only</p></td> |
| <td class="table_cells"><p>yes</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__STDC_HOSTED__</code></td> |
| <td class="table_cells"><p>0L (a decimal constant), this is defined in C99 mode only</p></td> |
| <td class="table_cells"><p>yes</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__WAVE_HAS_VARIADICS__</code></td> |
| <td class="table_cells"><p>1 (a decimal constant), this is defined in C++ |
| mode only if variadics and placemarkers are enabled, and it is defined |
| in the C99 mode</p></td> |
| <td class="table_cells"><p>no</p></td> |
| </tr> |
| <tr> |
| <td class="table_cells"><code>__WAVE_CONFIG__</code></td> |
| <td class="table_cells"><p>The configuration information used during the compilation of the Wave library. This is a hexadecimal constant, where each of the bits represents a certain configuration option enabled/disabled during the compilation. You can query this contant using the following macro constants available in the <tt>wave_config_constant.hpp</tt> file:</p> |
| <blockquote> |
| <p> <tt>BOOST_WAVE_SUPPORT_VARIADICS_PLACEMARKERS_CONFIG</tt> (value: <span class="literal">0x1</span>) <br> |
| Variadics and placemarkers are supported</p> |
| <p><tt>BOOST_WAVE_SUPPORT_PRAGMA_ONCE_CONFIG</tt> (value: <span class="literal">0x02</span>)<br> |
| <span class="preprocessor">#pragma once</span> (<span class="keyword">_Pragma(once))</span> is supported </p> |
| <p><tt>BOOST_WAVE_SUPPORT_MS_EXTENSIONS_CONFIG</tt> (value: <span class="literal">0x04</span>)<br>MS Extensions are supported </p> |
| <p><tt>BOOST_WAVE_PREPROCESS_PRAGMA_BODY_CONFIG</tt> (value: <span class="literal">0x08</span>)<br> |
| The bodies of <span class="preprocessor">#pragma</span> statements (operator <span class="keyword">_Pragma</span>) will be preprocessed |
| <p><tt>BOOST_WAVE_USE_STRICT_LEXER_CONFIG</tt> (value: <span class="literal">0x10</span>)<br> |
| The C/C++ lexers recognize the |
| strict C99/C++ basic source character set. If it is not defined or defined |
| to zero, the lexers recognize the <span class="string">'$'</span> character as part of identifiers.</p> |
| </blockquote> |
| <p><br> |
| </p></td> |
| <td class="table_cells"><p>yes</p></td> |
| </tr> |
| </table> |
| <br> |
| <table border="0"> |
| <tr> |
| <td width="10"></td> |
| <td width="30"><a href="../index.html"><img src="theme/u_arr.gif" border="0"></a></td> |
| <td width="30"><a href="class_reference_inptpolcy.html"><img src="theme/l_arr.gif" width="20" height="19" border="0"></a></td> |
| <td width="30"><a href="macro_expansion_process.html"><img src="theme/r_arr.gif" border="0"></a></td> |
| </tr> |
| </table> |
| <hr size="1"> |
| <p class="copyright">Copyright © 2003-2010 Hartmut Kaiser<br> |
| <br> |
| <font size="2">Distributed under the Boost Software License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) </font> </p> |
| <span class="updated"></span> |
| <p class="copyright"><span class="updated">Last updated: |
| <!-- #BeginDate format:fcAm1m -->Monday, March 13, 2006 13:47<!-- #EndDate --> |
| </span></p> |
| </body> |
| </html> |
