Re: [PATCH v2 5/7] docs: kdoc: tighten up the array-of-pointers case

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Em Thu, 14 Aug 2025 09:40:33 -0600
Jonathan Corbet <corbet@xxxxxxx> escreveu:

> Simplify one gnarly regex and remove another altogether; add a comment
> describing what is going on.  There will be no #-substituted commas in this
> case, so don't bother trying to put them back.
> 
> Signed-off-by: Jonathan Corbet <corbet@xxxxxxx>

LGTM.

Reviewed-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>

> ---
>  scripts/lib/kdoc/kdoc_parser.py | 20 +++++++++-----------
>  1 file changed, 9 insertions(+), 11 deletions(-)
> 
> diff --git a/scripts/lib/kdoc/kdoc_parser.py b/scripts/lib/kdoc/kdoc_parser.py
> index 29881757bf1c..7f4d95dd47d4 100644
> --- a/scripts/lib/kdoc/kdoc_parser.py
> +++ b/scripts/lib/kdoc/kdoc_parser.py
> @@ -527,23 +527,21 @@ class KernelDoc:
>                  dtype = KernRe(r'([^\(]+\(\*?)\s*' + re.escape(param)).sub(r'\1', arg)
>                  self.push_parameter(ln, decl_type, param, dtype,
>                                      arg, declaration_name)
> -
> +            #
> +            # The array-of-pointers case.  Dig the parameter name out from the middle
> +            # of the declaration.
> +            #
>              elif KernRe(r'\(.+\)\s*\[').search(arg):
> -                # Array-of-pointers
> -
> -                arg = arg.replace('#', ',')
> -                r = KernRe(r'[^\(]+\(\s*\*\s*([\w\[\].]*?)\s*(\s*\[\s*[\w]+\s*\]\s*)*\)')
> +                r = KernRe(r'[^\(]+\(\s*\*\s*'		# Up to "(" and maybe "*"
> +                           r'([\w.]*?)'			# The actual pointer name
> +                           r'\s*(\[\s*\w+\s*\]\s*)*\)') # The [array portion]
>                  if r.match(arg):
>                      param = r.group(1)
>                  else:
>                      self.emit_msg(ln, f"Invalid param: {arg}")
>                      param = arg
> -
> -                dtype = KernRe(r'([^\(]+\(\*?)\s*' + re.escape(param)).sub(r'\1', arg)
> -
> -                self.push_parameter(ln, decl_type, param, dtype,
> -                                    arg, declaration_name)
> -
> +                dtype = arg.replace(param, '')
> +                self.push_parameter(ln, decl_type, param, dtype, arg, declaration_name)
>              elif arg:
>                  #
>                  # Clean up extraneous spaces and split the string at commas; the first



Thanks,
Mauro




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