From: Markus Armbruster Date: Wed, 16 Sep 2015 11:06:24 +0000 (+0200) Subject: qapi: Introduce a first class 'any' type X-Git-Tag: TizenStudio_2.0_p2.3.2~120^2~1^2~174^2~5 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=28770e057f265a4e70bcbdfc2447cce7b5f2dc19;p=sdk%2Femulator%2Fqemu.git qapi: Introduce a first class 'any' type It's first class, because unlike '**', it actually works, i.e. doesn't require 'gen': false. '**' will go away next. Signed-off-by: Markus Armbruster Reviewed-by: Eric Blake Reviewed-by: Daniel P. Berrange --- diff --git a/docs/qapi-code-gen.txt b/docs/qapi-code-gen.txt index 5c2c278..70fdae7 100644 --- a/docs/qapi-code-gen.txt +++ b/docs/qapi-code-gen.txt @@ -158,6 +158,7 @@ The following types are predefined, and map to C as follows: size uint64_t like uint64_t, except StringInputVisitor accepts size suffixes bool bool JSON true or false + any QObject * any JSON value === Includes === diff --git a/include/qapi/visitor-impl.h b/include/qapi/visitor-impl.h index f4a2f74..8c0ba57 100644 --- a/include/qapi/visitor-impl.h +++ b/include/qapi/visitor-impl.h @@ -40,6 +40,8 @@ struct Visitor void (*type_str)(Visitor *v, char **obj, const char *name, Error **errp); void (*type_number)(Visitor *v, double *obj, const char *name, Error **errp); + void (*type_any)(Visitor *v, QObject **obj, const char *name, + Error **errp); /* May be NULL */ void (*optional)(Visitor *v, bool *present, const char *name, diff --git a/include/qapi/visitor.h b/include/qapi/visitor.h index 00ba104..cfc19a6 100644 --- a/include/qapi/visitor.h +++ b/include/qapi/visitor.h @@ -58,6 +58,7 @@ void visit_type_size(Visitor *v, uint64_t *obj, const char *name, Error **errp); void visit_type_bool(Visitor *v, bool *obj, const char *name, Error **errp); void visit_type_str(Visitor *v, char **obj, const char *name, Error **errp); void visit_type_number(Visitor *v, double *obj, const char *name, Error **errp); +void visit_type_any(Visitor *v, QObject **obj, const char *name, Error **errp); bool visit_start_union(Visitor *v, bool data_present, Error **errp); void visit_end_union(Visitor *v, bool data_present, Error **errp); diff --git a/qapi/qapi-dealloc-visitor.c b/qapi/qapi-dealloc-visitor.c index d7f92c5..737deab 100644 --- a/qapi/qapi-dealloc-visitor.c +++ b/qapi/qapi-dealloc-visitor.c @@ -151,6 +151,14 @@ static void qapi_dealloc_type_number(Visitor *v, double *obj, const char *name, { } +static void qapi_dealloc_type_anything(Visitor *v, QObject **obj, + const char *name, Error **errp) +{ + if (obj) { + qobject_decref(*obj); + } +} + static void qapi_dealloc_type_size(Visitor *v, uint64_t *obj, const char *name, Error **errp) { @@ -216,6 +224,7 @@ QapiDeallocVisitor *qapi_dealloc_visitor_new(void) v->visitor.type_bool = qapi_dealloc_type_bool; v->visitor.type_str = qapi_dealloc_type_str; v->visitor.type_number = qapi_dealloc_type_number; + v->visitor.type_any = qapi_dealloc_type_anything; v->visitor.type_size = qapi_dealloc_type_size; v->visitor.start_union = qapi_dealloc_start_union; diff --git a/qapi/qapi-visit-core.c b/qapi/qapi-visit-core.c index 5a7c900..59ed506 100644 --- a/qapi/qapi-visit-core.c +++ b/qapi/qapi-visit-core.c @@ -260,6 +260,12 @@ void visit_type_number(Visitor *v, double *obj, const char *name, Error **errp) v->type_number(v, obj, name, errp); } +void visit_type_any(Visitor *v, QObject **obj, const char *name, + Error **errp) +{ + v->type_any(v, obj, name, errp); +} + void output_type_enum(Visitor *v, int *obj, const char * const strings[], const char *kind, const char *name, Error **errp) diff --git a/qapi/qmp-input-visitor.c b/qapi/qmp-input-visitor.c index e97b8a4..5dd9ed5 100644 --- a/qapi/qmp-input-visitor.c +++ b/qapi/qmp-input-visitor.c @@ -286,6 +286,16 @@ static void qmp_input_type_number(Visitor *v, double *obj, const char *name, } } +static void qmp_input_type_any(Visitor *v, QObject **obj, const char *name, + Error **errp) +{ + QmpInputVisitor *qiv = to_qiv(v); + QObject *qobj = qmp_input_get_object(qiv, name, true); + + qobject_incref(qobj); + *obj = qobj; +} + static void qmp_input_optional(Visitor *v, bool *present, const char *name, Error **errp) { @@ -329,6 +339,7 @@ QmpInputVisitor *qmp_input_visitor_new(QObject *obj) v->visitor.type_bool = qmp_input_type_bool; v->visitor.type_str = qmp_input_type_str; v->visitor.type_number = qmp_input_type_number; + v->visitor.type_any = qmp_input_type_any; v->visitor.optional = qmp_input_optional; v->visitor.get_next_type = qmp_input_get_next_type; diff --git a/qapi/qmp-output-visitor.c b/qapi/qmp-output-visitor.c index 8dce087..29899ac 100644 --- a/qapi/qmp-output-visitor.c +++ b/qapi/qmp-output-visitor.c @@ -190,6 +190,14 @@ static void qmp_output_type_number(Visitor *v, double *obj, const char *name, qmp_output_add(qov, name, qfloat_from_double(*obj)); } +static void qmp_output_type_any(Visitor *v, QObject **obj, const char *name, + Error **errp) +{ + QmpOutputVisitor *qov = to_qov(v); + qobject_incref(*obj); + qmp_output_add_obj(qov, name, *obj); +} + QObject *qmp_output_get_qobject(QmpOutputVisitor *qov) { QObject *obj = qmp_output_first(qov); @@ -237,6 +245,7 @@ QmpOutputVisitor *qmp_output_visitor_new(void) v->visitor.type_bool = qmp_output_type_bool; v->visitor.type_str = qmp_output_type_str; v->visitor.type_number = qmp_output_type_number; + v->visitor.type_any = qmp_output_type_any; QTAILQ_INIT(&v->stack); diff --git a/scripts/qapi-types.py b/scripts/qapi-types.py index d1fee20..b292682 100644 --- a/scripts/qapi-types.py +++ b/scripts/qapi-types.py @@ -327,6 +327,7 @@ fdef.write(mcgen(''' fdecl.write(mcgen(''' #include #include +#include "qapi/qmp/qobject.h" ''')) schema = QAPISchema(input_file) diff --git a/scripts/qapi.py b/scripts/qapi.py index 6b6f1ae..6a21bd6 100644 --- a/scripts/qapi.py +++ b/scripts/qapi.py @@ -33,6 +33,7 @@ builtin_types = { 'uint32': 'QTYPE_QINT', 'uint64': 'QTYPE_QINT', 'size': 'QTYPE_QINT', + 'any': None, # any qtype_code possible, actually } # Whitelist of commands allowed to return a non-dictionary @@ -1102,8 +1103,7 @@ class QAPISchema(object): def _def_builtin_type(self, name, json_type, c_type, c_null): self._def_entity(QAPISchemaBuiltinType(name, json_type, c_type, c_null)) - if name != '**': - self._make_array_type(name) # TODO really needed? + self._make_array_type(name) # TODO really needed? def _def_predefineds(self): for t in [('str', 'string', 'char' + pointer_suffix, 'NULL'), @@ -1119,8 +1119,9 @@ class QAPISchema(object): ('uint64', 'int', 'uint64_t', '0'), ('size', 'int', 'uint64_t', '0'), ('bool', 'boolean', 'bool', 'false'), - ('**', 'value', None, None)]: + ('any', 'value', 'QObject' + pointer_suffix, 'NULL')]: self._def_builtin_type(*t) + self._entity_dict['**'] = self.lookup_type('any') # TODO drop this alias def _make_implicit_enum_type(self, name, values): name = name + 'Kind' @@ -1270,6 +1271,8 @@ class QAPISchema(object): def visit(self, visitor): visitor.visit_begin(self) for name in sorted(self._entity_dict.keys()): + if self._entity_dict[name].name != name: + continue # ignore alias TODO drop alias and remove self._entity_dict[name].visit(visitor) visitor.visit_end() diff --git a/tests/Makefile b/tests/Makefile index 7c6025a..10e55b3 100644 --- a/tests/Makefile +++ b/tests/Makefile @@ -239,6 +239,7 @@ check-qapi-schema-y := $(addprefix tests/qapi-schema/, \ args-array-empty.json args-array-unknown.json args-int.json \ args-unknown.json args-member-unknown.json args-member-array.json \ args-member-array-bad.json args-alternate.json args-union.json \ + args-any.json \ returns-array-bad.json returns-int.json returns-dict.json \ returns-unknown.json returns-alternate.json returns-whitelist.json \ missing-colon.json missing-comma-list.json missing-comma-object.json \ @@ -255,7 +256,7 @@ check-qapi-schema-y := $(addprefix tests/qapi-schema/, \ flat-union-invalid-branch-key.json flat-union-reverse-define.json \ flat-union-string-discriminator.json union-base-no-discriminator.json \ flat-union-bad-discriminator.json flat-union-bad-base.json \ - flat-union-base-star.json \ + flat-union-base-any.json \ flat-union-array-branch.json flat-union-int-branch.json \ flat-union-base-union.json flat-union-branch-clash.json \ alternate-nested.json alternate-unknown.json alternate-clash.json \ diff --git a/tests/qapi-schema/args-any.err b/tests/qapi-schema/args-any.err new file mode 100644 index 0000000..bf9b5e0 --- /dev/null +++ b/tests/qapi-schema/args-any.err @@ -0,0 +1 @@ +tests/qapi-schema/args-any.json:2: 'data' for command 'oops' cannot use built-in type 'any' diff --git a/tests/qapi-schema/flat-union-base-star.exit b/tests/qapi-schema/args-any.exit similarity index 100% rename from tests/qapi-schema/flat-union-base-star.exit rename to tests/qapi-schema/args-any.exit diff --git a/tests/qapi-schema/args-any.json b/tests/qapi-schema/args-any.json new file mode 100644 index 0000000..58fe5e4 --- /dev/null +++ b/tests/qapi-schema/args-any.json @@ -0,0 +1,2 @@ +# we do not allow an 'any' argument +{ 'command': 'oops', 'data': 'any' } diff --git a/tests/qapi-schema/flat-union-base-star.out b/tests/qapi-schema/args-any.out similarity index 100% rename from tests/qapi-schema/flat-union-base-star.out rename to tests/qapi-schema/args-any.out diff --git a/tests/qapi-schema/flat-union-base-any.err b/tests/qapi-schema/flat-union-base-any.err new file mode 100644 index 0000000..ad4d629 --- /dev/null +++ b/tests/qapi-schema/flat-union-base-any.err @@ -0,0 +1 @@ +tests/qapi-schema/flat-union-base-any.json:8: Base 'any' is not a valid struct diff --git a/tests/qapi-schema/flat-union-base-any.exit b/tests/qapi-schema/flat-union-base-any.exit new file mode 100644 index 0000000..d00491f --- /dev/null +++ b/tests/qapi-schema/flat-union-base-any.exit @@ -0,0 +1 @@ +1 diff --git a/tests/qapi-schema/flat-union-base-star.json b/tests/qapi-schema/flat-union-base-any.json similarity index 95% rename from tests/qapi-schema/flat-union-base-star.json rename to tests/qapi-schema/flat-union-base-any.json index 5099439..fe66b71 100644 --- a/tests/qapi-schema/flat-union-base-star.json +++ b/tests/qapi-schema/flat-union-base-any.json @@ -6,7 +6,7 @@ { 'struct': 'TestTypeB', 'data': { 'integer': 'int' } } { 'union': 'TestUnion', - 'base': '**', + 'base': 'any', 'discriminator': 'enum1', 'data': { 'value1': 'TestTypeA', 'value2': 'TestTypeB' } } diff --git a/tests/qapi-schema/flat-union-base-any.out b/tests/qapi-schema/flat-union-base-any.out new file mode 100644 index 0000000..e69de29 diff --git a/tests/qapi-schema/flat-union-base-star.err b/tests/qapi-schema/flat-union-base-star.err deleted file mode 100644 index b7748f0..0000000 --- a/tests/qapi-schema/flat-union-base-star.err +++ /dev/null @@ -1 +0,0 @@ -tests/qapi-schema/flat-union-base-star.json:8: Base '**' is not a valid struct diff --git a/tests/qapi-schema/qapi-schema-test.json b/tests/qapi-schema/qapi-schema-test.json index d488157..6897a6e 100644 --- a/tests/qapi-schema/qapi-schema-test.json +++ b/tests/qapi-schema/qapi-schema-test.json @@ -78,7 +78,8 @@ 'number': ['number'], 'boolean': ['bool'], 'string': ['str'], - 'sizes': ['size'] } } + 'sizes': ['size'], + 'any': ['any'] } } # testing commands { 'command': 'user_def_cmd', 'data': {} } @@ -88,6 +89,8 @@ 'returns': 'UserDefTwo' } { 'command': 'user_def_cmd3', 'data': {'a': 'int', '*b': 'int' }, 'returns': 'int' } +# note: command name 'guest-sync' chosen to avoid "cannot use built-in" error +{ 'command': 'guest-sync', 'data': { 'arg': 'any' }, 'returns': 'any' } # For testing integer range flattening in opts-visitor. The following schema # corresponds to the option format: diff --git a/tests/qapi-schema/qapi-schema-test.out b/tests/qapi-schema/qapi-schema-test.out index f90cf46..a52ac31 100644 --- a/tests/qapi-schema/qapi-schema-test.out +++ b/tests/qapi-schema/qapi-schema-test.out @@ -12,8 +12,12 @@ object :obj-__org.qemu_x-command-arg member b: __org.qemu_x-StructList optional=False member c: __org.qemu_x-Union2 optional=False member d: __org.qemu_x-Alt optional=False +object :obj-anyList-wrapper + member data: anyList optional=False object :obj-boolList-wrapper member data: boolList optional=False +object :obj-guest-sync-arg + member arg: any optional=False object :obj-int16List-wrapper member data: int16List optional=False object :obj-int32List-wrapper @@ -102,7 +106,8 @@ object UserDefNativeListUnion case boolean: :obj-boolList-wrapper case string: :obj-strList-wrapper case sizes: :obj-sizeList-wrapper -enum UserDefNativeListUnionKind ['integer', 's8', 's16', 's32', 's64', 'u8', 'u16', 'u32', 'u64', 'number', 'boolean', 'string', 'sizes'] + case any: :obj-anyList-wrapper +enum UserDefNativeListUnionKind ['integer', 's8', 's16', 's32', 's64', 'u8', 'u16', 'u32', 'u64', 'number', 'boolean', 'string', 'sizes', 'any'] object UserDefOne base UserDefZero member string: str optional=False @@ -151,6 +156,8 @@ object __org.qemu_x-Union2 case __org.qemu_x-value: __org.qemu_x-Struct2 command __org.qemu_x-command :obj-__org.qemu_x-command-arg -> __org.qemu_x-Union1 gen=True success_response=True +command guest-sync :obj-guest-sync-arg -> any + gen=True success_response=True command user_def_cmd None -> None gen=True success_response=True command user_def_cmd1 :obj-user_def_cmd1-arg -> None diff --git a/tests/qapi-schema/type-bypass.out b/tests/qapi-schema/type-bypass.out index 0070d4b..db2a4e6 100644 --- a/tests/qapi-schema/type-bypass.out +++ b/tests/qapi-schema/type-bypass.out @@ -1,4 +1,4 @@ object :obj-unsafe-arg - member arg: ** optional=False -command unsafe :obj-unsafe-arg -> ** + member arg: any optional=False +command unsafe :obj-unsafe-arg -> any gen=False success_response=True diff --git a/tests/test-qmp-commands.c b/tests/test-qmp-commands.c index 9918f23..8d5249e 100644 --- a/tests/test-qmp-commands.c +++ b/tests/test-qmp-commands.c @@ -51,6 +51,11 @@ int64_t qmp_user_def_cmd3(int64_t a, bool has_b, int64_t b, Error **errp) return a + (has_b ? b : 0); } +QObject *qmp_guest_sync(QObject *arg, Error **errp) +{ + return arg; +} + __org_qemu_x_Union1 *qmp___org_qemu_x_command(__org_qemu_x_EnumList *a, __org_qemu_x_StructList *b, __org_qemu_x_Union2 *c, diff --git a/tests/test-qmp-input-visitor.c b/tests/test-qmp-input-visitor.c index 508c11a..61715b3 100644 --- a/tests/test-qmp-input-visitor.c +++ b/tests/test-qmp-input-visitor.c @@ -298,6 +298,49 @@ static void test_visitor_in_list(TestInputVisitorData *data, qapi_free_UserDefOneList(head); } +static void test_visitor_in_any(TestInputVisitorData *data, + const void *unused) +{ + QObject *res = NULL; + Error *err = NULL; + Visitor *v; + QInt *qint; + QBool *qbool; + QString *qstring; + QDict *qdict; + QObject *qobj; + + v = visitor_input_test_init(data, "-42"); + visit_type_any(v, &res, NULL, &err); + g_assert(!err); + qint = qobject_to_qint(res); + g_assert(qint); + g_assert_cmpint(qint_get_int(qint), ==, -42); + qobject_decref(res); + + v = visitor_input_test_init(data, "{ 'integer': -42, 'boolean': true, 'string': 'foo' }"); + visit_type_any(v, &res, NULL, &err); + g_assert(!err); + qdict = qobject_to_qdict(res); + g_assert(qdict && qdict_size(qdict) == 3); + qobj = qdict_get(qdict, "integer"); + g_assert(qobj); + qint = qobject_to_qint(qobj); + g_assert(qint); + g_assert_cmpint(qint_get_int(qint), ==, -42); + qobj = qdict_get(qdict, "boolean"); + g_assert(qobj); + qbool = qobject_to_qbool(qobj); + g_assert(qbool); + g_assert(qbool_get_bool(qbool) == true); + qobj = qdict_get(qdict, "string"); + g_assert(qobj); + qstring = qobject_to_qstring(qobj); + g_assert(qstring); + g_assert_cmpstr(qstring_get_str(qstring), ==, "foo"); + qobject_decref(res); +} + static void test_visitor_in_union_flat(TestInputVisitorData *data, const void *unused) { @@ -669,6 +712,8 @@ int main(int argc, char **argv) &in_visitor_data, test_visitor_in_struct_nested); input_visitor_test_add("/visitor/input/list", &in_visitor_data, test_visitor_in_list); + input_visitor_test_add("/visitor/input/any", + &in_visitor_data, test_visitor_in_any); input_visitor_test_add("/visitor/input/union-flat", &in_visitor_data, test_visitor_in_union_flat); input_visitor_test_add("/visitor/input/alternate", diff --git a/tests/test-qmp-output-visitor.c b/tests/test-qmp-output-visitor.c index a48ae72..c84002e 100644 --- a/tests/test-qmp-output-visitor.c +++ b/tests/test-qmp-output-visitor.c @@ -428,6 +428,57 @@ static void test_visitor_out_list_qapi_free(TestOutputVisitorData *data, qapi_free_UserDefTwoList(head); } +static void test_visitor_out_any(TestOutputVisitorData *data, + const void *unused) +{ + QObject *qobj; + Error *err = NULL; + QInt *qint; + QBool *qbool; + QString *qstring; + QDict *qdict; + QObject *obj; + + qobj = QOBJECT(qint_from_int(-42)); + visit_type_any(data->ov, &qobj, NULL, &err); + g_assert(!err); + obj = qmp_output_get_qobject(data->qov); + g_assert(obj != NULL); + g_assert(qobject_type(obj) == QTYPE_QINT); + g_assert_cmpint(qint_get_int(qobject_to_qint(obj)), ==, -42); + qobject_decref(obj); + qobject_decref(qobj); + + qdict = qdict_new(); + qdict_put(qdict, "integer", qint_from_int(-42)); + qdict_put(qdict, "boolean", qbool_from_bool(true)); + qdict_put(qdict, "string", qstring_from_str("foo")); + qobj = QOBJECT(qdict); + visit_type_any(data->ov, &qobj, NULL, &err); + g_assert(!err); + obj = qmp_output_get_qobject(data->qov); + g_assert(obj != NULL); + qdict = qobject_to_qdict(obj); + g_assert(qdict); + qobj = qdict_get(qdict, "integer"); + g_assert(qobj); + qint = qobject_to_qint(qobj); + g_assert(qint); + g_assert_cmpint(qint_get_int(qint), ==, -42); + qobj = qdict_get(qdict, "boolean"); + g_assert(qobj); + qbool = qobject_to_qbool(qobj); + g_assert(qbool); + g_assert(qbool_get_bool(qbool) == true); + qobj = qdict_get(qdict, "string"); + g_assert(qobj); + qstring = qobject_to_qstring(qobj); + g_assert(qstring); + g_assert_cmpstr(qstring_get_str(qstring), ==, "foo"); + qobject_decref(obj); + qobject_decref(qobj); +} + static void test_visitor_out_union_flat(TestOutputVisitorData *data, const void *unused) { @@ -833,6 +884,8 @@ int main(int argc, char **argv) &out_visitor_data, test_visitor_out_struct_errors); output_visitor_test_add("/visitor/output/list", &out_visitor_data, test_visitor_out_list); + output_visitor_test_add("/visitor/output/any", + &out_visitor_data, test_visitor_out_any); output_visitor_test_add("/visitor/output/list-qapi-free", &out_visitor_data, test_visitor_out_list_qapi_free); output_visitor_test_add("/visitor/output/union-flat",