[cfe-dev] GSoC project ideas

Douglas Gregor dgregor at apple.com
Wed Apr 17 08:38:33 PDT 2013

On Apr 14, 2013, at 3:05 AM, Sergey Shambir <sergey.shambir.auto at gmail.com> wrote:

> Are you interested in improving C++ code completion? QtCreator clang plugin revealed ~12 issues in this area. Fixing it probably will be enough for GSoC.

Improving C++ code completion would be a great GSoC project. There's a ton of low-hanging fruit there.

	- Doug

> On the on hand, I have no idea where you can find mentor for this project. On the other hand, I can provide additional information for each bug when needed. I hope you will find some feature requests collected in other clang-based plugins. Maybe Dmitri Gribenko can tell about situation with vim-complete.
> http://qt-project.org/wiki/clang-bugs-at-wip-clang-branch
> http://llvm.org/bugs/buglist.cgi?quicksearch=completion&list_id=36503
> If you want to make some patches before GSOC, check this: http://llvm.org/bugs/show_bug.cgi?id=15660
> The most annoying bug is: http://llvm.org/bugs/show_bug.cgi?id=15745 (it can take much time to fix)
> 13.04.2013 07:02, Guillaume Papin пишет:
>> Hello,
>> I'm currently trying to define a project proposal for the Google Summer
>> of Code. I'm looking for a project that will be at the same time
>> valuable to Clang and appealing to me. I am mainly interested by the
>> tooling infrastructure (enhancements to LibClang, LibTooling or work in
>> extra/).
>> After some digging, I have found various options that I would like to
>> discuss with the community in order to find the best match in terms of
>> usefulness and "fitability" (~12 weeks).
>> -- Modules --
>> I stumbled upon the modularize project (in extra/) and the Module.rst
>> document. The section "Future Directions" caught my attention.
>> Available here: http://clang.llvm.org/docs/Modules.html#future-directions
>> **Improve modularize** interests me but I'm not sure what "better UI"
>> and "assistant mode" imply. If it's about writing a GUI application I am
>> not sure it is what I'm looking for the GSoC but maybe it's about
>> enhanced program options, configuration files and an interactive mode? I
>> don't know yet how convoluted can be the detection of problems. Might-it
>> be a fit for the GSoC itself?
>> I'm also interested by **Detect unused module imports** and **Fix-Its
>> for missing imports** which I think can fit together under the same
>> project.
>> For the **C++ Support**, this is really unclear to me today what are the
>> implications of such project. What needs to be done and how.
>> -- Doxygen like tool --
>> The open Clang projects page has an entry: "Implement a tool to generate
>> code documentation". I have the feeling that everything that is needed
>> is already available in the LibClang comment API. What is left is mainly
>> the generation of the website (or similar). If I am not mistaken then I
>> am too interested by this project for the GSoC.
>> -- cpp11-migrate --
>> I saw this project in extra/ that I find interesting. One idea of
>> improvement I read is "add the passing by value when move constructor is
>> available on the stored type".
>> And some other ideas are also available here:
>> http://clang.llvm.org/docs/ClangTools.html#ideas-for-new-tools
>> Such as:
>> - Convert member functions begin()/end() to their non-member counterpart.
>> - Replace tr1 by the C++11 version (drop tr1 namespace and tr1/
>>   include prefix for example).
>> -- Compilation Database --
>> I saw a few times on the mailing list the idea of adding an option to
>> Clang to generate a compile_commands.json. I think only CMake and Ninja
>> offer such support for now. Clang is supported by more build systems,
>> having this option could increase the number of projects
>> "Tooling-friendly". The implementation will have to deal with parallel
>> compilation jobs but I don't think it's too difficult. Alone this task
>> is certainly too short for the GSoC.
>> To finish a few words about me. I'm Guillaume Papin, French student (but
>> actually doing the 1st year of my Master in Sweden). I chose Clang for
>> the GSoC because it's a project I follow for some time now (since 2011).
>> I regularly check the mailing list and I'm in love with the code base
>> who is very clean IMHO (not only Clang but more generally LLVM). I'm
>> working on an Emacs package that provides C/C++ completion using
>> LibClang (still needs a lot of work): https://github.com/Sarcasm/irony-mode.
>> Thank you.
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