Re: [PATCH 1/6] qapi/parser.py: remove unused check_args_section arguments

[Markus Armbruster <armbru@redhat.com>]

John Snow <jsnow@redhat.com> writes:

> (Addresses a pylint warning.)
>
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>  scripts/qapi/parser.py | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/scripts/qapi/parser.py b/scripts/qapi/parser.py
> index 06167ed3e0a..b3a468504fc 100644
> --- a/scripts/qapi/parser.py
> +++ b/scripts/qapi/parser.py
> @@ -753,7 +753,7 @@ def check_expr(self, expr):
>  
>      def check(self):
>  
> -        def check_args_section(args, info, what):
> +        def check_args_section(args):
>              bogus = [name for name, section in args.items()
>                       if not section.member]
>              if bogus:
> @@ -764,5 +764,5 @@ def check_args_section(args, info, what):
>                         "', '".join(bogus),
>                         "do" if len(bogus) > 1 else "does"))
>  
> -        check_args_section(self.args, self.info, 'members')
> -        check_args_section(self.features, self.info, 'features')
> +        check_args_section(self.args)
> +        check_args_section(self.features)

I messed this up in commit e151941d1b "qapi: Check feature documentation
against the schema".

I "obviously" meant to use @info, but used self.info instead.  Dropping
@info is fine.

I "obviously" meant to use @what in the error message, but hardcoded
"member" instead, resulting in a confusing error message when it's about
features.  Test case qapi-schema/doc-bad-feature.json shows it:

    $ cat tests/qapi-schema/doc-bad-feature.json 
    # Features listed in the doc comment must exist in the actual schema

    ##
    # @foo:
    #
    # Features:
    # @a: a
    ##
    { 'command': 'foo' }
    $ cat tests/qapi-schema/doc-bad-feature.err 
    doc-bad-feature.json:3: documented member 'a' does not exist

Instead of dropping what, let's put it to use to improve this error
message.