On 07/23/2013 07:03 AM, Kevin Wolf wrote:
> The new 'base' key in a union definition refers to a struct type, which
> is inlined into the union definition and can represent fields common to
> all kinds.
>
> For example the following schema definition...
>
> { 'type': 'BlockOptionsBase', 'data': { 'read-only': 'bool' } }
>
> { 'union': 'BlockOptions',
> 'base': 'BlockOptionsBase',
> 'data': {
> 'raw': 'BlockOptionsRaw'
> 'qcow2': 'BlockOptionsQcow2'
> } }
>
> ...would result in this generated C struct:
>
> struct BlockOptions
> {
> BlockOptionsKind kind;
> union {
> void *data;
> BlockOptionsRaw * raw;
> BlockOptionsQcow2 * qcow2;
> };
> bool read_only;
> };
>
> Signed-off-by: Kevin Wolf <kw...@redhat.com>
> ---
> scripts/qapi-types.py | 16 ++++++++++++++--
> 1 file changed, 14 insertions(+), 2 deletions(-)Reviewed-by: Eric Blake <ebl...@redhat.com> -- Eric Blake eblake redhat com +1-919-301-3266 Libvirt virtualization library http://libvirt.org
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