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Adding a bit of documentation that was missed with r198883 (when ParseArgumentsAsUnevaluated was added). 

llvm-svn: 199679
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Aaron Ballman 2014-01-20 18:42:10 +00:00
parent fb00d5bc7c
commit b39a9b8b0c
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clang/docs/InternalsManual.rst
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@ -1718,6 +1718,11 @@ duplicated. However, if an attribute can be duplicated during this merging
stage, set ``DuplicatesAllowedWhileMerging`` to ``1``, and the attribute will
be merged.
By default, attribute arguments are parsed in an evaluated context. If the
arguments for an attribute should be parsed in an unevaluated context (akin to
the way the argument to a ``sizeof`` expression is parsed), you can set
``ParseArgumentsAsUnevaluated`` to ``1``.
If additional functionality is desired for the semantic form of the attribute,
the ``AdditionalMembers`` field specifies code to be copied verbatim into the
semantic attribute class object.