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| author | Aaron Ballman <aaron@aaronballman.com> | 2014-01-20 18:42:10 +0000 |
|---|---|---|
| committer | Aaron Ballman <aaron@aaronballman.com> | 2014-01-20 18:42:10 +0000 |
| commit | b39a9b8b0cc7eceea47bcd58738c07128e76ba7f (patch) | |
| tree | 90d4437c20de0aaf8b01a65be97072297c7d6144 /clang/docs/InternalsManual.rst | |
| parent | fb00d5bc7ccc49890c39a3896cbb0666f599211b (diff) | |
| download | bcm5719-llvm-b39a9b8b0cc7eceea47bcd58738c07128e76ba7f.tar.gz bcm5719-llvm-b39a9b8b0cc7eceea47bcd58738c07128e76ba7f.zip | |
Adding a bit of documentation that was missed with r198883 (when ParseArgumentsAsUnevaluated was added).
llvm-svn: 199679
Diffstat (limited to 'clang/docs/InternalsManual.rst')
| -rw-r--r-- | clang/docs/InternalsManual.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/docs/InternalsManual.rst b/clang/docs/InternalsManual.rst index eb19614e55d..96d43ab57dc 100644 --- a/clang/docs/InternalsManual.rst +++ b/clang/docs/InternalsManual.rst @@ -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. |
