[LLVMdev] [RFC] C++11: 'virtual' and 'override'

Craig Topper craig.topper at gmail.com
Wed Mar 5 14:54:00 PST 2014


Didn't realize that. I'll see if i can figure out how to make it delete the
virtual keyword.


On Wed, Mar 5, 2014 at 2:32 PM, Ben Langmuir <blangmuir at apple.com> wrote:

> clang-modernize has a -format option that will run clang-format on the
> code it changes.
>
> Ben
>
>
>
> On Mar 5, 2014, at 2:26 PM, Craig Topper <craig.topper at gmail.com> wrote:
>
> clang-modernize can add the 'override', but it can't currently delete
> 'virtual'. It will also potentially overflow 80 columns. And if it removed
> virtual it would fail to align a second line of arguments correctly. So you
> need modernize and clang-format I guess. Though I'm not sure we want to
> widespread apply clang-format.
>
>
> On Wed, Mar 5, 2014 at 1:10 PM, Rui Ueyama <ruiu at google.com> wrote:
>
>> On Wed, Mar 5, 2014 at 1:02 PM, Marshall Clow <mclow.lists at gmail.com>wrote:
>>
>>>
>>> On Mar 5, 2014, at 10:29 AM, Chris Lattner <clattner at apple.com> wrote:
>>>
>>>
>>> On Mar 5, 2014, at 9:53 AM, David Blaikie <dblaikie at gmail.com> wrote:
>>>
>>>  It might be reasonable to warn if a class has both a function marked
>>> 'override' and a function that overrides but is not marked 'override'.
>>>
>>>
>>> That could be useful - because it means that the author of the class is
>>> at
>>> least thinking about override - but having a "coding style" warning of "I
>>> always intend to use override" would still be useful.
>>>
>>>
>>> Doug (not sure about other Clang owners) is pretty hesitant about
>>> implementing coding style warnings - anything with such a high false
>>> positive rate as to be off by default is assumed to be a non-starter
>>> in Clang (though perhaps things have changed in the years since I last
>>> tested the waters here).
>>>
>>> And now that we have something like clang-tidy, it's perhaps less of
>>> an issue... we'll see.
>>>
>>>
>>> Making it part of clang-tidy would make a lot of sense then!  Is there
>>> any plans to get clang-tidy running against the llvm/clang codebases
>>> regularly, or is it already happening?
>>>
>>>
>>> I believe that the "clang-modernize" tool can add "override" in the
>>> appropriate places.
>>>
>>> http://stackoverflow.com/questions/7293715/is-there-a-tool-to-add-the-override-identifier-to-existing-c-code
>>>
>>
>> Can it also delete "virtual" if it has "override"?
>>
>>
>>>
>>> -- Marshall
>>>
>>>
>>>
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>>
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>
>
> --
> ~Craig
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-- 
~Craig
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