[cfe-dev] compilation database for tooling

[Manuel Klimek via cfe-dev]

+clang-tidy folks, as this seems to be more of an issue with clang-tidy
than anything else

On Fri, Feb 5, 2016 at 12:27 PM Laszlo Nagy via cfe-dev <
cfe-dev at lists.llvm.org> wrote:

> hi Everyone,
>
> i have a question about compilation database (CDB). i wrote tools which
> generate CDB. it follows the format what is mentioned in the documentation
> <http://clang.llvm.org/docs/JSONCompilationDatabase.html>. my question
> related to the source file. a source file is mentioned two fields for a
> single entry, the 'file' and the 'command' fields. i remember a discussion
> earlier to make the source file to be relative to the directory (for
> portability). but at the same time, i receive complains
> <https://llvm.org/bugs/show_bug.cgi?id=24710> about my tool when it
> generates non absolute paths (in the 'command' field).
>
> to make it more fun, the 'directory' field could be also relative or
> absolute (by the documentation). but two years ago, that was the first
> thing i needed to fix (and always use absolute path).
>
> can somebody tell me what is the current status of the file paths in CDB?
> is there any test suite around the CDB reading in the Clang repo? or shall
> i just blindly copy the CMake generated CDBs and ignore the documentation?
>
> thanks,
> Laszlo
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