[PATCH] Minor Attr.td tablegen additions

[Aaron Ballman]

Ping

~Aaron

On Wed, Jul 17, 2013 at 8:57 PM, Aaron Ballman <aaron at aaronballman.com> wrote:
> There are type attributes and target-specific attributes which get
> somewhat special semantic handling.  By codifying this as part of the
> tablegen file, we can generate more specific code in the future as
> well as more cleanly express intent in the tablegen.
>
> This patch is laying some groundwork for eventually removing much of
> the redundancy from SemaDeclAttr.cpp.  More patches on that are
> coming.  In and of itself, this patch removes some code from Attr.td
> (namely ASTNode = 0 declarations on various type attributes), and
> fixes a mistake with Ptr32, Ptr64, UPtr and SPtr generating AST nodes
> that are never actually used anywhere.
>
> Note that this patch does not add a TypeAttr base class like it does
> for InheritableAttr (et al) -- there are no type attributes which
> generate AST nodes currently (this is the same reason there is no
> TYPE_ATTR macro).
>
> ~Aaron