[cfe-dev] C++ Semantic highlighting and YouCompleteMe

Benjamin Kramer via cfe-dev cfe-dev at lists.llvm.org
Fri Dec 25 06:40:12 PST 2015

On Fri, Dec 25, 2015 at 2:39 PM, Davit Samvelyan via cfe-dev
<cfe-dev at lists.llvm.org> wrote:
> Hi,
> Sorry if this email is off topic.
> Today I've got this sticky idea, to do a semantic highlighting of C++ source
> in Vim using YouCompleteMe's infrastructure.
> For the start I would like to be able get  class, namespace, enum... names
> and highlight them.
> So I dug in, and didn't find anything similar in the libclang C API (the one
> used by YCM).
> I'm not sure how to do it right with the C++ API: to traverse the whole AST
> or there is a better/cheaper way to do it? (for example judging by its name
> ASTContext::getTypes() is doing something similar)
> So if anyone is interested in the topic and is willing to help me by giving
> initial direction or guiding me, and if I will be allowed to add such
> functionality into the libclang C API :) I will be glad to work on this.

There is color_coded [1] which does semantic highlighting in vim via
libclang, maybe you can take some ideas from it.

- Ben

[1] https://github.com/jeaye/color_coded

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