Preventing several replacements on a macro call.

[Angel Garcia via cfe-commits]

+cfe-commits

On Tue, Sep 8, 2015 at 6:56 PM, Angel Garcia <angelgarcia at google.com> wrote:

> Hi Ted,
>
> I was working on a clang-tidy check, and today I discovered that it was
> unable to do several replacements in different arguments of the same macro
> call. At first, I thought it was a bug, and trying to figure out why this
> was happening, I found that the replacements were rejected in
> *lib/Edit/EditedSource.cpp:46*, where there is a comment that says
> "Trying to write in a macro argument input that has already been written
> for another argument of the same macro". This comment means that this
> changes are rejected on purpose.
>
> At the commit history, I saw that you had commited
> <http://reviews.llvm.org/rL152141> this code (that's why I am asking
> you). Do you think that there is a way around this? I don't really
> understand why there is a particular case for the macros here, and
> understanding it would help me to decide whether I should give up on trying
> to make this work, or try to find a "better" solution.
>
> Thanks and sorry for the inconvenience,
> Angel
>
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