check_name(info, "Member of union '%s'" % name, key)
check_known_keys(info, "member '%s' of union '%s'" % (key, name),
- value, ['type'], [])
+ value, ['type'], ['if'])
# Each value must name a known type
check_type(info, "Member '%s' of union '%s'" % (key, name),
value['type'],
class QAPISchemaObjectTypeVariant(QAPISchemaObjectTypeMember):
role = 'branch'
- def __init__(self, name, typ):
- QAPISchemaObjectTypeMember.__init__(self, name, typ, False)
+ def __init__(self, name, typ, ifcond=None):
+ QAPISchemaObjectTypeMember.__init__(self, name, typ, False, ifcond)
class QAPISchemaAlternateType(QAPISchemaType):
def _make_variant(self, case, typ):
return QAPISchemaObjectTypeVariant(case, typ)
- def _make_simple_variant(self, case, typ, info):
+ def _make_simple_variant(self, case, typ, ifcond, info):
if isinstance(typ, list):
assert len(typ) == 1
typ = self._make_array_type(typ[0], info)
typ = self._make_implicit_object_type(
typ, info, None, self.lookup_type(typ),
'wrapper', [self._make_member('data', typ, None, info)])
- return QAPISchemaObjectTypeVariant(case, typ)
+ return QAPISchemaObjectTypeVariant(case, typ, ifcond)
def _def_union_type(self, expr, info, doc):
name = expr['union']
for (key, value) in data.items()]
members = []
else:
- variants = [self._make_simple_variant(key, value['type'], info)
+ variants = [self._make_simple_variant(key, value['type'],
+ value.get('if'), info)
for (key, value) in data.items()]
- enum = [{'name': v.name} for v in variants]
+ enum = [{'name': v.name, 'if': v.ifcond} for v in variants]
typ = self._make_implicit_enum_type(name, info, ifcond, enum)
tag_member = QAPISchemaObjectTypeMember('type', typ, False)
members = [tag_member]
[ 'foo', { 'name' : 'bar', 'if': 'defined(TEST_IF_ENUM_BAR)' } ],
'if': 'defined(TEST_IF_ENUM)' }
-{ 'union': 'TestIfUnion', 'data': { 'foo': 'TestStruct' },
+{ 'union': 'TestIfUnion', 'data':
+ { 'foo': 'TestStruct',
+ 'union_bar': { 'type': 'str', 'if': 'defined(TEST_IF_UNION_BAR)'} },
'if': 'defined(TEST_IF_UNION) && defined(TEST_IF_STRUCT)' }
{ 'command': 'TestIfUnionCmd', 'data': { 'union_cmd_arg': 'TestIfUnion' },