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<title>ANSI_strict</title>
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<h3>ANSI_strict</h3>
<p> Controls the use of non-standard language features.</p>
<h5>Syntax</h5>
<p class="code">#pragma ANSI_strict on | off | reset
</p>
<h5>Targets</h5>
All platforms.<br />
<h5>Remarks</h5>
<p>If you enable the pragma ANSI_strict, the compiler generates an error if it encounters any of the following common ANSI extensions: </p>
<ul>
<li> C++-style comments</li>
</ul>
<blockquote>
<div class="listing">
<p class="code"> a = b; // This is a C++-style comment</p>
</div>
</blockquote>
<ul>
<li>Unnamed arguments in function definitions</li>
</ul>
<blockquote>
<div class="listing">
<p class="code">void f(int ) {} /* OK, if ANSI Strict is disabled */<br />
void f(int i) {} /* ALWAYS OK */</p>
</div>
</blockquote>
<ul>
<li>A # token that does not appear before an argument in a macro definition</li>
</ul>
<blockquote>
<div class="listing">
<p class="code"> #define add1(x) #x #1<br />
/* OK, if ANSI_strict is disabled,</p>
</div>
<p>but probably not what you wanted:</p>
<div class="listing">
<p class="code">add1(abc) creates "abc"#1 */<br />
#define add2(x) #x "2"<br />
/* ALWAYS OK: add2(abc) creates "abc2" */</p>
</div>
</blockquote>
<ul>
<li>An identifier after #endif</li>
</ul>
<blockquote>
<div class="listing">
<p>
<span class="code">#ifdef __CARBIDE__<br />
/* . . . */<br />
#endif __CARBIDE__ /* OK, if ANSI_strict is disabled */</span></p>
<p class="code">#ifdef __CARBIDE__<br />
/* . . . */<br />
#endif /*__CARBIDE__*/ /* ALWAYS OK */</p>
</div>
</blockquote>
<p>This pragma corresponds to the <a href="../pragmas/p_ANSI_strict.htm">ANSI Strict</a> setting . To check this setting, use <span class="code">__option (ANSI_strict)</span>, described in <a href="../symbols/sym_settings.htm">Checking Settings</a>. The default setting is <span class="code">off</span>.</p>
<p></p>
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