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-rw-r--r--clang/docs/LanguageExtensions.rst5
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/docs/LanguageExtensions.rst b/clang/docs/LanguageExtensions.rst
index 9871c23d9b4..1e4f72902ec 100644
--- a/clang/docs/LanguageExtensions.rst
+++ b/clang/docs/LanguageExtensions.rst
@@ -330,6 +330,11 @@ Builtin Macros
``__BASE_FILE__``
Defined to a string that contains the name of the main input file passed to
Clang.
+
+``__FILE_NAME__``
+ Clang-specific extension that functions similar to ``__FILE__`` but only
+ renders the last path component (the filename) instead of an invocation
+ dependent full path to that file.
``__COUNTER__``
Defined to an integer value that starts at zero and is incremented each time
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