[cfe-dev] Location of typedef types

[Manuel Klimek]

On Wed, Jan 30, 2013 at 3:37 PM, Sergejs Belajevs <
sergejs.belajevs at gmail.com> wrote:

> Hi all,
>
> we are working on source-to-source transformation tool based on clang and
> have a following problem. Example code:
>
> void foo()
> {
>   typedef int i32;
>   typedef i32 s32;
>   typedef i32 (*pfun)();
>
>   i32 a = (s32)0x1234u;
> }
>
> We want to rename i32, s32, pfun and all their occurrences in this
> function. We tried using VisitDeclRefExpr from clang::RecursiveASTVisitor,
> but it didn't walk through typedefs. We tried to use VisitTypedefType and
> it correctly visited all occurrences of i32/s32 for this function, but we
> haven't figured out how to get location information from clang::TypedefType
> to make actual renaming possible.
>

> What would be a working (best?) way to do it?
>

Visit the corresponding TypeLoc (in this case VisitTypedefTypeLoc)

Cheers,
/Manuel


>
> Thanks,
> Sergejs
>
>
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