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From: Markus Armbruster <armbru@redhat.com>
To: John Snow <jsnow@redhat.com>
Cc: "Michael Roth" <michael.roth@amd.com>,
	"Cleber Rosa" <crosa@redhat.com>,
	qemu-devel@nongnu.org,
	"Marc-André Lureau" <marcandre.lureau@redhat.com>,
	"Eduardo Habkost" <ehabkost@redhat.com>
Subject: Re: [PATCH v2 04/12] qapi/gen: assert that _start_if is not None in _wrap_ifcond
Date: Wed, 13 Jan 2021 16:14:30 +0100	[thread overview]
Message-ID: <87im80yill.fsf@dusky.pond.sub.org> (raw)
In-Reply-To: <20201217015927.197287-5-jsnow@redhat.com> (John Snow's message of "Wed, 16 Dec 2020 20:59:19 -0500")

John Snow <jsnow@redhat.com> writes:

> We already assert this in end_if, but that's opaque to mypy. Do it in
> _wrap_ifcond instead. Same effect at runtime, but mypy can now infer
> the type in _wrap_ifcond's body.
>
> Signed-off-by: John Snow <jsnow@redhat.com>
> ---
>  scripts/qapi/gen.py | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/scripts/qapi/gen.py b/scripts/qapi/gen.py
> index b40f18eee3c..a6dc991b1d0 100644
> --- a/scripts/qapi/gen.py
> +++ b/scripts/qapi/gen.py
> @@ -130,11 +130,11 @@ def start_if(self, ifcond: List[str]) -> None:
>          self._start_if = (ifcond, self._body, self._preamble)
>  
>      def end_if(self) -> None:
> -        assert self._start_if
>          self._wrap_ifcond()
>          self._start_if = None
>  
>      def _wrap_ifcond(self) -> None:
> +        assert self._start_if
>          self._body = _wrap_ifcond(self._start_if[0],
>                                    self._start_if[1], self._body)
>          self._preamble = _wrap_ifcond(self._start_if[0],

Let's inline ._wrap_ifcond() into .end_if().  Not a blocker, of course.



  reply	other threads:[~2021-01-13 15:24 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-17  1:59 [PATCH v2 00/12] qapi: static typing conversion, pt1.5 John Snow
2020-12-17  1:59 ` [PATCH v2 01/12] qapi/commands: assert arg_type is not None John Snow
2020-12-17  1:59 ` [PATCH v2 02/12] qapi/events: fix visit_event typing John Snow
2020-12-17  1:59 ` [PATCH v2 03/12] qapi/main: handle theoretical None-return from re.match() John Snow
2020-12-17  1:59 ` [PATCH v2 04/12] qapi/gen: assert that _start_if is not None in _wrap_ifcond John Snow
2021-01-13 15:14   ` Markus Armbruster [this message]
2021-01-13 21:34     ` John Snow
2020-12-17  1:59 ` [PATCH v2 05/12] qapi/gen: use './builtin' for the built-in module name John Snow
2020-12-17  1:59 ` [PATCH v2 06/12] qapi/source: Add builtin null-object sentinel John Snow
2021-01-13 15:39   ` Markus Armbruster
2021-01-13 22:30     ` John Snow
2021-01-14 13:39       ` Markus Armbruster
2021-01-18 18:36         ` Eduardo Habkost
2021-01-19 10:21           ` Markus Armbruster
2021-01-19 16:10             ` Eduardo Habkost
2020-12-17  1:59 ` [PATCH v2 07/12] qapi/schema: make QAPISourceInfo mandatory John Snow
2021-01-13 16:12   ` Markus Armbruster
2021-01-13 23:04     ` John Snow
2021-01-14  0:29       ` Eduardo Habkost
2021-01-14  0:47         ` John Snow
2020-12-17  1:59 ` [PATCH v2 08/12] qapi/gen: write _genc/_genh access shims John Snow
2020-12-17  1:59 ` [PATCH v2 09/12] qapi/gen: move write method to QAPIGenC, make fname a str John Snow
2020-12-17  1:59 ` [PATCH v2 10/12] tests/qapi-schema: Add quotes to module name in test output John Snow
2020-12-17  1:59 ` [PATCH v2 11/12] qapi/schema: Name the builtin module "" instead of None John Snow
2020-12-17  1:59 ` [PATCH v2 12/12] qapi: enable strict-optional checks John Snow
2021-01-13 16:23 ` [PATCH v2 00/12] qapi: static typing conversion, pt1.5 Markus Armbruster

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