The generated code is for now *unconditional*. Later patches generate the conditionals.
Signed-off-by: Marc-André Lureau <marcandre.lur...@redhat.com> Reviewed-by: Markus Armbruster <arm...@redhat.com> --- scripts/qapi/common.py | 14 +++++++------- docs/devel/qapi-code-gen.txt | 10 ++++++++++ tests/qapi-schema/qapi-schema-test.json | 12 +++++++++--- tests/qapi-schema/qapi-schema-test.out | 5 +++++ tests/qapi-schema/test-qapi.py | 1 + 5 files changed, 32 insertions(+), 10 deletions(-) diff --git a/scripts/qapi/common.py b/scripts/qapi/common.py index 9c353986a8..cc2842bcc7 100644 --- a/scripts/qapi/common.py +++ b/scripts/qapi/common.py @@ -705,7 +705,7 @@ def check_type(info, source, value, allow_array=False, # Todo: allow dictionaries to represent default values of # an optional argument. check_known_keys(info, "member '%s' of %s" % (key, source), - arg, ['type'], []) + arg, ['type'], ['if']) check_type(info, "Member '%s' of %s" % (key, source), arg['type'], allow_array=True, allow_metas=['built-in', 'union', 'alternate', 'struct', @@ -1413,8 +1413,8 @@ class QAPISchemaMember(object): class QAPISchemaObjectTypeMember(QAPISchemaMember): - def __init__(self, name, typ, optional): - QAPISchemaMember.__init__(self, name) + def __init__(self, name, typ, optional, ifcond=None): + QAPISchemaMember.__init__(self, name, ifcond) assert isinstance(typ, str) assert isinstance(optional, bool) self._type_name = typ @@ -1727,7 +1727,7 @@ class QAPISchema(object): name, info, doc, ifcond, self._make_enum_members(data), prefix)) - def _make_member(self, name, typ, info): + def _make_member(self, name, typ, ifcond, info): optional = False if name.startswith('*'): name = name[1:] @@ -1735,10 +1735,10 @@ class QAPISchema(object): if isinstance(typ, list): assert len(typ) == 1 typ = self._make_array_type(typ[0], info) - return QAPISchemaObjectTypeMember(name, typ, optional) + return QAPISchemaObjectTypeMember(name, typ, optional, ifcond) def _make_members(self, data, info): - return [self._make_member(key, value['type'], info) + return [self._make_member(key, value['type'], value.get('if'), info) for (key, value) in data.items()] def _def_struct_type(self, expr, info, doc): @@ -1759,7 +1759,7 @@ class QAPISchema(object): 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, info)]) + 'wrapper', [self._make_member('data', typ, None, info)]) return QAPISchemaObjectTypeVariant(case, typ) def _def_union_type(self, expr, info, doc): diff --git a/docs/devel/qapi-code-gen.txt b/docs/devel/qapi-code-gen.txt index 7ba9066eac..3895808b4a 100644 --- a/docs/devel/qapi-code-gen.txt +++ b/docs/devel/qapi-code-gen.txt @@ -752,6 +752,16 @@ gets its generated code guarded like this: #endif /* defined(HAVE_BAR) */ #endif /* defined(CONFIG_FOO) */ +Where a member can be defined with a single string value for its type, +it is also possible to supply a dictionary instead with both 'type' +and 'if' keys. (TODO: union and alternate) + +Example: a conditional 'bar' member + +{ 'struct': 'IfStruct', 'data': + { 'foo': 'int', + 'bar': { 'type': 'int', 'if': 'defined(IFCOND)'} } } + An enum value can be replaced by a dictionary with a 'name' and a 'if' key. diff --git a/tests/qapi-schema/qapi-schema-test.json b/tests/qapi-schema/qapi-schema-test.json index 40b162664d..c46f3b5732 100644 --- a/tests/qapi-schema/qapi-schema-test.json +++ b/tests/qapi-schema/qapi-schema-test.json @@ -201,7 +201,9 @@ # test 'if' condition handling -{ 'struct': 'TestIfStruct', 'data': { 'foo': 'int' }, +{ 'struct': 'TestIfStruct', 'data': + { 'foo': 'int', + 'bar': { 'type': 'int', 'if': 'defined(TEST_IF_STRUCT_BAR)'} }, 'if': 'defined(TEST_IF_STRUCT)' } { 'enum': 'TestIfEnum', 'data': @@ -220,11 +222,15 @@ { 'command': 'TestIfAlternateCmd', 'data': { 'alt_cmd_arg': 'TestIfAlternate' }, 'if': 'defined(TEST_IF_ALT)' } -{ 'command': 'TestIfCmd', 'data': { 'foo': 'TestIfStruct', 'bar': 'TestIfEnum' }, +{ 'command': 'TestIfCmd', 'data': + { 'foo': 'TestIfStruct', + 'bar': { 'type': 'TestIfEnum', 'if': 'defined(TEST_IF_CMD_BAR)' } }, 'returns': 'UserDefThree', 'if': ['defined(TEST_IF_CMD)', 'defined(TEST_IF_STRUCT)'] } { 'command': 'TestCmdReturnDefThree', 'returns': 'UserDefThree' } -{ 'event': 'TestIfEvent', 'data': { 'foo': 'TestIfStruct' }, +{ 'event': 'TestIfEvent', 'data': + { 'foo': 'TestIfStruct', + 'bar': { 'type': 'TestIfEnum', 'if': 'defined(TEST_IF_EVT_BAR)' } }, 'if': 'defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)' } diff --git a/tests/qapi-schema/qapi-schema-test.out b/tests/qapi-schema/qapi-schema-test.out index d90d987651..7987b23403 100644 --- a/tests/qapi-schema/qapi-schema-test.out +++ b/tests/qapi-schema/qapi-schema-test.out @@ -268,6 +268,8 @@ command __org.qemu_x-command q_obj___org.qemu_x-command-arg -> __org.qemu_x-Unio gen=True success_response=True boxed=False oob=False preconfig=False object TestIfStruct member foo: int optional=False + member bar: int optional=False + if ['defined(TEST_IF_STRUCT_BAR)'] if ['defined(TEST_IF_STRUCT)'] enum TestIfEnum member foo @@ -304,6 +306,7 @@ command TestIfAlternateCmd q_obj_TestIfAlternateCmd-arg -> None object q_obj_TestIfCmd-arg member foo: TestIfStruct optional=False member bar: TestIfEnum optional=False + if ['defined(TEST_IF_CMD_BAR)'] if ['defined(TEST_IF_CMD)', 'defined(TEST_IF_STRUCT)'] command TestIfCmd q_obj_TestIfCmd-arg -> UserDefThree gen=True success_response=True boxed=False oob=False preconfig=False @@ -312,6 +315,8 @@ command TestCmdReturnDefThree None -> UserDefThree gen=True success_response=True boxed=False oob=False preconfig=False object q_obj_TestIfEvent-arg member foo: TestIfStruct optional=False + member bar: TestIfEnum optional=False + if ['defined(TEST_IF_EVT_BAR)'] if ['defined(TEST_IF_EVT) && defined(TEST_IF_STRUCT)'] event TestIfEvent q_obj_TestIfEvent-arg boxed=False diff --git a/tests/qapi-schema/test-qapi.py b/tests/qapi-schema/test-qapi.py index aadf252d9d..27081cb50c 100644 --- a/tests/qapi-schema/test-qapi.py +++ b/tests/qapi-schema/test-qapi.py @@ -39,6 +39,7 @@ class QAPISchemaTestVisitor(QAPISchemaVisitor): for m in members: print(' member %s: %s optional=%s' % (m.name, m.type.name, m.optional)) + self._print_if(m.ifcond, 8) self._print_variants(variants) self._print_if(ifcond) -- 2.20.0