[cfe-dev] Preliminary reinterpret_cast Sema patch
sebastian.redl at getdesigned.at
Thu Oct 23 14:06:07 PDT 2008
Doug Gregor wrote:
> On Thu, Oct 23, 2008 at 4:59 AM, Sebastian Redl
> <sebastian.redl at getdesigned.at> wrote:
>> I'll just post another full version of the patch. With SVN, separating
>> different parts is always a bit of a hassle.
> Yes, it is. Looking forward to your next revision!
Here you go. I split the check for casting away constness in its own
function, since it will be needed for static and dynamic casts as well.
Both const cast checker and the constness helper now use
UnwrapSimilarPointers for the loop.
I integrated the test cases into the source tree, and added one for the
edge case of casting away constness, i.e. that adding const at every
level should work. There's probably even more complicated tests
involving volatile that should be tested, but my mind refuses to handle
more than two levels of pointers with qualifiers properly. ;-)
There's also a test case for the pedantic warning.
Now, with all your nice work on conversions, static_cast checking should
be possible without too much effort.
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