[libcamera-devel] [PATCH 2/4] Documentation: coding-style: Document order of includes

Kieran Bingham kieran.bingham at ideasonboard.com
Wed Oct 23 16:02:16 CEST 2019


Hi Laurent,

On 23/10/2019 14:52, Laurent Pinchart wrote:
> We follow the Google C++ Style Guide rule on include ordering with a few
> tweaks. Document our rule explicitly.
> 

Happy to see this documented for clarity.

> Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

Only white-space comments below.

Reviewed-by: Kieran Bingham <kieran.bingham at ideasonboard.com>

> ---
>  Documentation/coding-style.rst | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/Documentation/coding-style.rst b/Documentation/coding-style.rst
> index ced3155169a6..c53248234c34 100644
> --- a/Documentation/coding-style.rst
> +++ b/Documentation/coding-style.rst
> @@ -61,6 +61,29 @@ document:
>    Code Style for indentation, braces, spacing, etc
>  * Header guards are formatted as '__LIBCAMERA_FILE_NAME_H__'
>  

Single separating line here,

> +Order of Includes
> +~~~~~~~~~~~~~~~~~
> +
> +Headers shall be included at the beginning of .c, .cpp and .h files, right
> +after the file description comment block and, for .h files, the header guard
> +macro. For .cpp files, if the file implements an API declared in a header file,
> +that header file shall be included first in order to ensure it is
> +self-contained.
> +
> +The headers shall be grouped and ordered as follows.
> +
> + # The header declaring the API being implemented (if any)
> + # The C and C++ system and standard library headers
> + # Other libraries' headers, with one group per library
> + # Other project's headers
> +
> +Groups of headers shall be separated by a single blank line. Headers within
> +each group shall be sorted alphabetically.
> +
> +System and library headers shall be included with angle brackets. Project
> +headers shall be included with angle brackets for the libcamera public API
> +headers, and with double quotes for other libcamera headers.
> +
>  

But double here, just like the previous patch, so the adding an extra at
the bottom is consistent between the two making it look intentional -
but /both/ patches have a single separating line at the top or the entry?


>  C++ Specific Rules
>  ------------------
> 

-- 
Regards
--
Kieran


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