[llvm-dev] Rewriting opt-viewer in C++

Gleb Popov via llvm-dev llvm-dev at lists.llvm.org
Sun Nov 13 01:49:25 PST 2016

On Sun, Nov 13, 2016 at 11:19 AM, Adam Nemet via llvm-dev <
llvm-dev at lists.llvm.org> wrote:

> Hi Bob,
> I am glad you’re finding opt-viewer useful.  I am generally fine this
> being rewritten in C++.  The idea was that once the prototype proves itself
> to be useful this would be considered.
> Do you have ideas how to get syntax highlighting implemented?  In Python,
> Pygments makes this easy.
> Another usage model I was considering is for people who ssh to remote
> servers for their builds.  In this case it should be easy in Python to have
>  a simple HTTP server started in opt-viewer.
> On the other hand, I am not sure if we have precedence to ship tools
> written in Python in LLVM so we may *have to* move.
> Adam
> On Nov 11, 2016, at 11:50 PM, Bob Haarman <llvm at inglorion.net> wrote:
> Hi Adam,
> Thank you for writing opt-viewer! I've been playing around with it and
> found it helps me understand what optimizations were performed, which were
> missed, and why, as well as easily navigate to the relevant code. Wanting
> to use it on larger projects, I found that it can take a while to analyze
> the optimization reports. Since there doesn't seem to be too much code in
> it yet, I figured it wouldn't be too much work to implement the same
> functionality in C++, which should give us a nice speedup compared to the
> current Python implementation. I have something that implements most of the
> functionality: the index page is generated and links to lines on source
> pages, which are also generated, but I haven't gotten to annotations on
> source pages yet. I expect to put up some code for review next week, but
> wanted to post here in case others are thinking along similar lines so we
> can hopefully avoid duplicating effort.
> Cheers,
> Bob
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KTextEditor library from KDE Frameworks can provide you with full text
editor component. But this would bind you to Qt toolkit.
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