Re: [Qemu-devel] [PATCH 6/6] qapi: add doc for QEvent

[Eric Blake]

On 10/22/2013 07:55 AM, Wenchao Xia wrote:
> 于 2013/10/22 5:00, Eric Blake 写道:
>> On 10/21/2013 03:16 AM, Wenchao Xia wrote:
>>> Signed-off-by: Wenchao Xia <xiaw...@linux.vnet.ibm.com>
>>> ---
>>>   qapi-schema.json |   56
>>> ++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>   1 files changed, 56 insertions(+), 0 deletions(-)
>> Incomplete.  Now that you are actually using the enum (see the spot I
>> pointed out in 5/6), you ALSO need to change:
>>
>> -{ 'type': 'EventInfo', 'data': {'name': 'str'} }
>> +{ 'type': 'EventInfo', 'data': {'name': 'QEvent'} }
>>
>> and make use of the enum in the QAPI documentation.
>>
>   I just found QEvent is a int(enum) so this change can't be done.

Huh?  That's the whole point of qapi enums - they are stored as int
constants in C code, but sent as strings over QMP.

> Is there a way to tell use QEvent's correspond string? Add a new
> way to specify enum's correspond string automatically? for example:
> 
> { 'type': 'EventInfo', 'data': {'name': '&QEvent'}

No, QAPI does it for you already, no change in syntax needed.

-- 
Eric Blake   eblake redhat com    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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