Add Clang version inspection macros. Fixes PR6681.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@102686 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/LanguageExtensions.html b/docs/LanguageExtensions.html
index 9779c3f..838b65f 100644
--- a/docs/LanguageExtensions.html
+++ b/docs/LanguageExtensions.html
@@ -199,7 +199,44 @@
<h2 id="builtinmacros">Builtin Macros</h2>
<!-- ======================================================================= -->
-<p>__BASE_FILE__, __INCLUDE_LEVEL__, __TIMESTAMP__, __COUNTER__</p>
+<dl>
+ <dt><code>__BASE_FILE__</code></dt>
+ <dd>Defined to a string that contains the name of the main input
+ file passed to Clang.</dd>
+
+ <dt><code>__COUNTER__</code></dt>
+ <dd>Defined to an integer value that starts at zero and is
+ incremented each time the <code>__COUNTER__</code> macro is
+ expanded.</dd>
+
+ <dt><code>__INCLUDE_LEVEL__</code></dt>
+ <dd>Defined to an integral value that is the include depth of the
+ file currently being translated. For the main file, this value is
+ zero.</dd>
+
+ <dt><code>__TIMESTAMP__</code></dt>
+ <dd>Defined to the date and time of the last modification of the
+ current source file.</dd>
+
+ <dt><code>__clang__</code></dt>
+ <dd>Defined when compiling with Clang</dd>
+
+ <dt><code>__clang_major__</code></dt>
+ <dd>Defined to the major version number of Clang (e.g., the 2 in
+ 2.0.1).</dd>
+
+ <dt><code>__clang_minor__</code></dt>
+ <dd>Defined to the minor version number of Clang (e.g., the 0 in
+ 2.0.1).</dd>
+
+ <dt><code>__clang_patchlevel__</code></dt>
+ <dd>Defined to the patch level of Clang (e.g., the 1 in 2.0.1).</dd>
+
+ <dt><code>__clang_version__</code></dt>
+ <dd>Defined to a string that captures the Clang version, including
+ the Subversion tag or revision number, e.g., "1.5 (trunk
+ 102332)".</dd>
+</dl>
<!-- ======================================================================= -->
<h2 id="vectors">Vectors and Extended Vectors</h2>