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qapi: Support downstream alternates

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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
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7
scripts/qapi-types.py
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('''
};

6
scripts/qapi-visit.py
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()

2
tests/qapi-schema/qapi-schema-test.json
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' } }

6
tests/qapi-schema/qapi-schema-test.out
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')]))]),