[cfe-dev] Is it safe to cast-away constness to use Clang static analysis?

[Roman Popov via cfe-dev]

In conclusion:
Should AST matchers should return non-const pointers to comply with Clang
coding standard for immutable objects?

2017-10-04 11:14 GMT-07:00 John McCall via cfe-dev <cfe-dev at lists.llvm.org>:

>
> > On Oct 4, 2017, at 3:30 AM, Csaba Raduly via cfe-dev <
> cfe-dev at lists.llvm.org> wrote:
> >
> > On Wed, Oct 4, 2017 at 2:20 AM, John McCall via cfe-dev
> > <cfe-dev at lists.llvm.org> wrote:
> >>
> >> The AST is largely immutable by design, and the best solution would
> probably
> >> be to adopt what LLVM did to Type and just mass-refactor code to stop
> >> passing around const pointers at all.
> >
> > If the AST is meant to be immutable, why not pass const
> > {pointers,references} around?
>
> If the objects are actually immutable, const is just noise repeated
> everywhere, because a non-const object is basically a useless type.
>
> John.
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