[libcamera-devel] [PATCH 3/4] utils: checkstyle.py: Add include checker

[Laurent Pinchart]

This is missing a commit message, sorry :-S

Add an include checker to verify usage of the C compatibility headers.
  
Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

On Wed, Oct 23, 2019 at 04:52:57PM +0300, Laurent Pinchart wrote:
> ---
>  utils/checkstyle.py | 32 ++++++++++++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 
> diff --git a/utils/checkstyle.py b/utils/checkstyle.py
> index 42a96f6d6102..335e58f5fddf 100755
> --- a/utils/checkstyle.py
> +++ b/utils/checkstyle.py
> @@ -240,6 +240,38 @@ class StyleIssue(object):
>          self.msg = msg
>  
>  
> +class IncludeChecker(StyleChecker):
> +    patterns = ('*.cpp', '*.h')
> +
> +    headers = ('assert', 'ctype', 'errno', 'fenv', 'float', 'inttypes',
> +               'limits', 'locale', 'math', 'setjmp', 'signal', 'stdarg',
> +               'stddef', 'stdint', 'stdio', 'stdlib', 'string', 'time', 'uchar',
> +               'wchar', 'wctype')
> +    include_regex = re.compile('^#include <c([a-z]*)>')
> +
> +    def __init__(self, content):
> +        super().__init__()
> +        self.__content = content
> +
> +    def check(self, line_numbers):
> +        issues = []
> +
> +        for line_number in line_numbers:
> +            line = self.__content[line_number - 1]
> +            match = IncludeChecker.include_regex.match(line)
> +            if not match:
> +                continue
> +
> +            header = match.group(1)
> +            if header not in IncludeChecker.headers:
> +                continue
> +
> +            issues.append(StyleIssue(line_number, line,
> +                                     'C compatibility header <%s.h> is preferred' % header))
> +
> +        return issues
> +
> +
>  class LogCategoryChecker(StyleChecker):
>      log_regex = re.compile('\\bLOG\((Debug|Info|Warning|Error|Fatal)\)')
>      patterns = ('*.cpp',)
> -- 
> Regards,
> 
> Laurent Pinchart
> 
> _______________________________________________
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> libcamera-devel at lists.libcamera.org
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-- 
Regards,

Laurent Pinchart