[libcxx-dev] Contributing debug visualizers for libc++

[Marshall Clow via libcxx-dev]

On Tue, May 7, 2019 at 12:08 PM Nico Weber via libcxx-dev <
libcxx-dev at lists.llvm.org> wrote:

> Hi,
>
> Chromium now uses a statically linked libc++ on most platforms. One piece
> of feedback we got from devs is that they don't want the switch to libc++
> to impede their debugging experience, so we wrote a natvis file that
> teaches Microsoft's debuggers how to display libc++ types. We're also using
> https://github.com/koutheir/libcxx-pretty-printers to achieve the same
> for gdb.
>
> Other projects are probably also interested in having good libc++ support
> in their debuggers. Would there be interest to have these debug visualizers
> right in the libc++ repository, either somewhere in utils/, or in a new
> misc/ directory, or what have you?
>
> We'd gladly contribute the natvis file [1] under LLVM's license.
>
> (libcxx-pretty-printers is a separate project not done by us. If this
> thread goes somewhere, I'm planning to ask the upstream maintainers if
> they'd be open to relicensing and contributing the gdb pretty printers to
> upstream libcxx as well, but they might not agree. If they don't, we
> (chromium) might want to write libc++ pretty printers for gdb from scratch
> and contribute those, but not sure.)
>
>
Nico --

I'm going to apologize in advance for a slow response, since I (and Louis)
are at C++Now this week.
This sounds really interesting, and I'll take a look at this early next
week.

-- Marshall
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