[PATCH] D141324: [clang] extend external_source_symbol attribute with the USR clause

[Alex Lorenz via Phabricator via cfe-commits]

arphaman added inline comments.


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Comment at: clang/include/clang/Basic/AttrDocs.td:1764
+  the ``external_source_symbol`` attribute with
+  ``__has_attribute(external_source_symbol_with_usr)``.
+
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aaron.ballman wrote:
> erichkeane wrote:
> > I don't think we can do this.  __has_attribute needs to take the actual name of the attribute.
> +1
`__has_attribute(external_source_symbol)` already works but it wouldn't help here as it doesn't tell whether the attribute supports USR or not. Are you saying I should come up with a totally new attribute that accepts USR? That was originally why I had the `__has_feature` check.


CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D141324/new/

https://reviews.llvm.org/D141324