qemu-patch-raspberry4/tests/qapi-schema/alternate-base.json
Eric Blake 44bd1276a7 qapi: Tighten checking of unions
Previous commits demonstrated that the generator had several
flaws with less-than-perfect unions:
- a simple union that listed the same branch twice (or two variant
names that map to the same C enumerator, including the implicit
MAX sentinel) ended up generating invalid C code
- an anonymous union that listed two branches with the same qtype
ended up generating invalid C code
- the generator crashed on anonymous union attempts to use an
array type
- the generator was silently ignoring a base type for anonymous
unions
- the generator allowed unknown types or nested anonymous unions
as a branch in an anonymous union

Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
2015-05-05 18:39:00 +02:00

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JSON

# we reject anonymous union with base type
{ 'type': 'Base',
'data': { 'string': 'str' } }
{ 'union': 'MyUnion',
'base': 'Base',
'discriminator': {},
'data': { 'number': 'int' } }