qapi: Support downstream alternates

Enhance the testsuite to cover downstream alternates, including
whether the branch name or type is downstream.  Update the
generator to mangle alternate names in the appropriate places.

Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
This commit is contained in:
Eric Blake 2015-05-14 06:51:00 -06:00 committed by Markus Armbruster
parent 857af5f06c
commit d1f07c86c0
4 changed files with 13 additions and 8 deletions

View File

@ -174,16 +174,17 @@ def generate_alternate_qtypes(expr):
ret = mcgen('''
const int %(name)s_qtypes[QTYPE_MAX] = {
''',
name=name)
name=c_name(name))
for key in members:
qtype = find_alternate_member_qtype(members[key])
assert qtype, "Invalid alternate member"
ret += mcgen('''
[ %(qtype)s ] = %(enum_const)s,
[%(qtype)s] = %(enum_const)s,
''',
qtype = qtype, enum_const = c_enum_const(name + 'Kind', key))
qtype = qtype,
enum_const = c_enum_const(name + 'Kind', key))
ret += mcgen('''
};

View File

@ -202,11 +202,11 @@ void visit_type_%(name)s(Visitor *m, %(name)s **obj, const char *name, Error **e
}
switch ((*obj)->kind) {
''',
name=name)
name=c_name(name))
# For alternate, always use the default enum type automatically generated
# as "'%sKind' % (name)"
disc_type = '%sKind' % (name)
# as name + 'Kind'
disc_type = c_name(name) + 'Kind'
for key in members:
assert (members[key] in builtin_types.keys()

View File

@ -120,3 +120,5 @@
{ 'union': '__org.qemu_x-Union2', 'base': '__org.qemu_x-Base',
'discriminator': '__org.qemu_x-member1',
'data': { '__org.qemu_x-value': '__org.qemu_x-Struct2' } }
{ 'alternate': '__org.qemu_x-Alt',
'data': { '__org.qemu_x-branch': 'str', 'b': '__org.qemu_x-Base' } }

View File

@ -28,12 +28,14 @@
OrderedDict([('struct', '__org.qemu_x-Struct'), ('base', '__org.qemu_x-Base'), ('data', OrderedDict([('__org.qemu_x-member2', 'str')]))]),
OrderedDict([('union', '__org.qemu_x-Union1'), ('data', OrderedDict([('__org.qemu_x-branch', 'str')]))]),
OrderedDict([('struct', '__org.qemu_x-Struct2'), ('data', OrderedDict([('array', ['__org.qemu_x-Union1'])]))]),
OrderedDict([('union', '__org.qemu_x-Union2'), ('base', '__org.qemu_x-Base'), ('discriminator', '__org.qemu_x-member1'), ('data', OrderedDict([('__org.qemu_x-value', '__org.qemu_x-Struct2')]))])]
OrderedDict([('union', '__org.qemu_x-Union2'), ('base', '__org.qemu_x-Base'), ('discriminator', '__org.qemu_x-member1'), ('data', OrderedDict([('__org.qemu_x-value', '__org.qemu_x-Struct2')]))]),
OrderedDict([('alternate', '__org.qemu_x-Alt'), ('data', OrderedDict([('__org.qemu_x-branch', 'str'), ('b', '__org.qemu_x-Base')]))])]
[{'enum_name': 'EnumOne', 'enum_values': ['value1', 'value2', 'value3']},
{'enum_name': '__org.qemu_x-Enum', 'enum_values': ['__org.qemu_x-value']},
{'enum_name': 'UserDefAlternateKind', 'enum_values': None},
{'enum_name': 'UserDefNativeListUnionKind', 'enum_values': None},
{'enum_name': '__org.qemu_x-Union1Kind', 'enum_values': None}]
{'enum_name': '__org.qemu_x-Union1Kind', 'enum_values': None},
{'enum_name': '__org.qemu_x-AltKind', 'enum_values': None}]
[OrderedDict([('struct', 'NestedEnumsOne'), ('data', OrderedDict([('enum1', 'EnumOne'), ('*enum2', 'EnumOne'), ('enum3', 'EnumOne'), ('*enum4', 'EnumOne')]))]),
OrderedDict([('struct', 'UserDefZero'), ('data', OrderedDict([('integer', 'int')]))]),
OrderedDict([('struct', 'UserDefOne'), ('base', 'UserDefZero'), ('data', OrderedDict([('string', 'str'), ('*enum1', 'EnumOne')]))]),