Eric Blake <ebl...@redhat.com> writes: > Rather than requiring all flat unions to explicitly create > a separate base struct, we can allow the qapi schema to specify > the common members via an inline dictionary. This is similar to > how commands can specify an inline anonymous type for its 'data'. > We already have several struct types that only exist to serve as > a single flat union's base; the next commit will clean them up > (in particular, the doc change to the BlockdevOptions example in > this patch will be reflected to QMP in the next).
The parenthesis is a bit cryptic. "Reflected"? > Now that anonymous bases are legal, we need to rework the > flat-union-bad-base negative test (as previously written, it > forms what is now valid QAPI; tweak it to now provide coverage > of a new error message path), and add a positive test in > qapi-schema-test to use an anonymous base (making the integer > argument optional, for even more coverage). > > Note that this patch only allows anonymous bases for flat unions; > simple unions are already enough syntactic sugar that we do not > want to burden them further. Meanwhile, while it would be easy > to also allow an anonymous base for structs, that would be quite > redundant, as the members can be put right into the struct > instead. > > Signed-off-by: Eric Blake <ebl...@redhat.com> Patch looks good.