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Re: [Qemu-devel] [PATCH v7 01/15] qapi: Consolidate object visitors
From: |
Markus Armbruster |
Subject: |
Re: [Qemu-devel] [PATCH v7 01/15] qapi: Consolidate object visitors |
Date: |
Thu, 16 Jun 2016 16:46:37 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux) |
Markus Armbruster <address@hidden> writes:
> Eric Blake <address@hidden> writes:
>
>> Rather than having two separate visitor callbacks with items
>> already broken out, pass the actual QAPISchemaObjectType object
>> to the visitor. This lets the visitor access things like
>> type.is_implicit() without needing another parameter, resolving
>> a TODO from previous patches.
>>
>> For convenience and consistency, the 'name' and 'info' parameters
>> are still provided, even though they are now redundant with
>> 'typ.name' and 'typ.info'.
>>
>> Signed-off-by: Eric Blake <address@hidden>
>
> We've seen this one before :)
>
> The previous review is relevant:
> Message-ID: <address@hidden>
> http://lists.nongnu.org/archive/html/qemu-devel/2016-04/msg02151.html
>
> Quote its recap of pros and cons:
>
> * The existing interface
>
> def visit_object_type(self, name, info, base, members, variants):
> def visit_object_type_flat(self, name, info, members, variants):
>
> is explicit and narrow, but when you need more information, you have
> to add parameters or functions.
>
> * The new interface
>
> def visit_object_type(self, name, info, typ):
>
> avoids that, but now its users can access everything.
>
> End quote. Let's see how this series profits from the patch, and
> whether we want to change the other visit methods as well for
> consistency.
Where is this used in the rest of the series?