hapeeeeee wrote:
> That's better, but checking something the SourceManager calls the last line
> against UINT32_MAX seem to me too much implementation detail. I also can't
> see any other reason why m_last_line would be useful outside the
> SourceManager.
>
> So maybe a better API would be
>
> `bool SourceManager::AtLastLine() { return m_last_line == UINT32_MAX; } `
>
> Then client code doesn't have to know how the SourceManager manages its
> paging through the source file.
As you suggested, I’ve encapsulated the `AsLastLine` for checking whether a
line is the last one, and reused this API in the `SourceManager` to replace the
original logic for determining the last line.
> Also, it would be good in your test to page twice past the end of the source
> buffer, not just once. That SHOULD just present the same error again, but it
> would be good to assert that it does.
I added a second `list` command when reaching the end of the file to ensure the
output is consistent across both attempts.
Could you please review my commit again? @jimingham
https://github.com/llvm/llvm-project/pull/137515
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