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Document the cl::SetVersionPrinter function.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@28690 91177308-0d34-0410-b5e6-96231b3b80d8
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Reid Spencer 2006-06-05 17:30:16 +00:00
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commit 2403b855cd
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docs/CommandLine.html
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@ -60,6 +60,8 @@
<tt>cl::ParseCommandLineOptions</tt> function</a></li>
<li><a href="#cl::ParseEnvironmentOptions">The
<tt>cl::ParseEnvironmentOptions</tt> function</a></li>
<li><a href="#cl::SetVersionPrinter">The cl::SetVersionPrinter
function</a></li>
<li><a href="#cl::opt">The <tt>cl::opt</tt> class</a></li>
<li><a href="#cl::list">The <tt>cl::list</tt> class</a></li>
<li><a href="#cl::bits">The <tt>cl::bits</tt> class</a></li>
@ -1505,6 +1507,27 @@ input.</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection">
<a name="cl::SetVersionPrinter">The <tt>cl::SetVersionPrinter</tt>
function</a>
</div>
<div class="doc_text">
<p>The <tt>cl::SetVersionPrinter</tt> function is designed to be called
directly from <tt>main</tt>, and <i>before</i>
<tt>cl::ParseCommandLineOptions</tt>. Its use is optional. It simply arranges
for a function to be called in response to the <tt>--version</tt> option instead
of having the <tt>CommandLine</tt> library print out the usual version string
for LLVM. This is useful for programs that are not part of LLVM but wish to use
the <tt>CommandLine</tt> facilities. Such programs should just define a small
function that takes no arguments and returns <tt>void</tt> and that prints out
whatever version information is appropriate for the program. Pass the address
of that function to <tt>cl::SetVersionPrinter</tt> to arrange for it to be
called when the <tt>--version</tt> option is given by the user.</p>
</div>
<!-- _______________________________________________________________________ -->
<div class="doc_subsubsection">
<a name="cl::opt">The <tt>cl::opt</tt> class</a>