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qmp-input-visitor: Favor new visit_free() function 

Now that we have a polymorphic visit_free(), we no longer need
qmp_input_visitor_cleanup(); which in turn means we no longer
need to return a subtype from qmp_input_visitor_new() nor a
public upcast function.

Generated code changes to qmp-marshal.c look like:

|@@ -52,11 +52,10 @@ void qmp_marshal_add_fd(QDict *args, QOb
| {
|     Error *err = NULL;
|     AddfdInfo *retval;
|-    QmpInputVisitor *qiv = qmp_input_visitor_new(QOBJECT(args), true);
|     Visitor *v;
|     q_obj_add_fd_arg arg = {0};
|
|-    v = qmp_input_get_visitor(qiv);
|+    v = qmp_input_visitor_new(QOBJECT(args), true);
|     visit_start_struct(v, NULL, NULL, 0, &err);
|     if (err) {
|         goto out;

Signed-off-by: Eric Blake <eblake@redhat.com>
Message-Id: <1465490926-28625-8-git-send-email-eblake@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
master
Eric Blake 2016-06-09 10:48:38 -06:00 committed by Markus Armbruster
parent 7a0525c7be
commit b70ce1018a
13 changed files with 36 additions and 70 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
docs/qapi-code-gen.txt
View File

@ -1002,11 +1002,10 @@ Example:
{
Error *err = NULL;
UserDefOne *retval;
QmpInputVisitor *qiv = qmp_input_visitor_new(QOBJECT(args), true);
Visitor *v;
UserDefOneList *arg1 = NULL;
v = qmp_input_get_visitor(qiv);
v = qmp_input_visitor_new(QOBJECT(args), true);
visit_start_struct(v, NULL, NULL, 0, &err);
if (err) {
goto out;

6
include/qapi/qmp-input-visitor.h
View File

@ -25,10 +25,6 @@ typedef struct QmpInputVisitor QmpInputVisitor;
* Set @strict to reject a parse that doesn't consume all keys of a
* dictionary; otherwise excess input is ignored.
*/
QmpInputVisitor *qmp_input_visitor_new(QObject *obj, bool strict);
void qmp_input_visitor_cleanup(QmpInputVisitor *v);
Visitor *qmp_input_get_visitor(QmpInputVisitor *v);
Visitor *qmp_input_visitor_new(QObject *obj, bool strict);
#endif

18
qapi/qmp-input-visitor.c
View File

@ -373,25 +373,15 @@ static void qmp_input_optional(Visitor *v, const char *name, bool *present)
*present = true;
}
Visitor *qmp_input_get_visitor(QmpInputVisitor *v)
{
return &v->visitor;
}
static void qmp_input_free(Visitor *v)
{
QmpInputVisitor *qiv = to_qiv(v);
qmp_input_visitor_cleanup(qiv);
qobject_decref(qiv->root);
g_free(qiv);
}
void qmp_input_visitor_cleanup(QmpInputVisitor *v)
{
qobject_decref(v->root);
g_free(v);
}
QmpInputVisitor *qmp_input_visitor_new(QObject *obj, bool strict)
Visitor *qmp_input_visitor_new(QObject *obj, bool strict)
{
QmpInputVisitor *v;
@ -419,5 +409,5 @@ QmpInputVisitor *qmp_input_visitor_new(QObject *obj, bool strict)
v->root = obj;
qobject_incref(obj);
return v;
return &v->visitor;
}

9
qmp.c
View File

@ -655,7 +655,7 @@ void qmp_object_add(const char *type, const char *id,
bool has_props, QObject *props, Error **errp)
{
const QDict *pdict = NULL;
QmpInputVisitor *qiv;
Visitor *v;
Object *obj;
if (props) {
@ -666,10 +666,9 @@ void qmp_object_add(const char *type, const char *id,
}
}
qiv = qmp_input_visitor_new(props, true);
obj = user_creatable_add_type(type, id, pdict,
qmp_input_get_visitor(qiv), errp);
qmp_input_visitor_cleanup(qiv);
v = qmp_input_visitor_new(props, true);
obj = user_creatable_add_type(type, id, pdict, v, errp);
visit_free(v);
if (obj) {
object_unref(obj);
}

9
qom/qom-qobject.c
View File

@ -21,12 +21,11 @@
void object_property_set_qobject(Object *obj, QObject *value,
const char *name, Error **errp)
{
QmpInputVisitor *qiv;
Visitor *v;
/* TODO: Should we reject, rather than ignore, excess input? */
qiv = qmp_input_visitor_new(value, false);
object_property_set(obj, qmp_input_get_visitor(qiv), name, errp);
qmp_input_visitor_cleanup(qiv);
v = qmp_input_visitor_new(value, false);
object_property_set(obj, v, name, errp);
visit_free(v);
}
QObject *object_property_get_qobject(Object *obj, const char *name,

6
replay/replay-input.c
View File

@ -23,7 +23,6 @@
static InputEvent *qapi_clone_InputEvent(InputEvent *src)
{
QmpOutputVisitor *qov;
QmpInputVisitor *qiv;
Visitor *ov, *iv;
QObject *obj;
InputEvent *dst = NULL;
@ -37,10 +36,9 @@ static InputEvent *qapi_clone_InputEvent(InputEvent *src)
return NULL;
}
qiv = qmp_input_visitor_new(obj, true);
iv = qmp_input_get_visitor(qiv);
iv = qmp_input_visitor_new(obj, true);
visit_type_InputEvent(iv, NULL, &dst, &error_abort);
qmp_input_visitor_cleanup(qiv);
visit_free(iv);
qobject_decref(obj);
return dst;

3
scripts/qapi-commands.py
View File

@ -113,11 +113,10 @@ def gen_marshal(name, arg_type, ret_type):
if arg_type and arg_type.members:
ret += mcgen('''
QmpInputVisitor *qiv = qmp_input_visitor_new(QOBJECT(args), true);
Visitor *v;
%(c_name)s arg = {0};
v = qmp_input_get_visitor(qiv);
v = qmp_input_visitor_new(QOBJECT(args), true);
visit_start_struct(v, NULL, NULL, 0, &err);
if (err) {
goto out;

8
tests/check-qnull.c
View File

@ -38,7 +38,7 @@ static void qnull_visit_test(void)
{
QObject *obj;
QmpOutputVisitor *qov;
QmpInputVisitor *qiv;
Visitor *v;
/*
* Most tests of interactions between QObject and visitors are in
@ -48,10 +48,10 @@ static void qnull_visit_test(void)
g_assert(qnull_.refcnt == 1);
obj = qnull();
qiv = qmp_input_visitor_new(obj, true);
v = qmp_input_visitor_new(obj, true);
qobject_decref(obj);
visit_type_null(qmp_input_get_visitor(qiv), NULL, &error_abort);
qmp_input_visitor_cleanup(qiv);
visit_type_null(v, NULL, &error_abort);
visit_free(v);
qov = qmp_output_visitor_new();
visit_type_null(qmp_output_get_visitor(qov), NULL, &error_abort);

8
tests/test-qmp-commands.c
View File

@ -216,14 +216,14 @@ static void test_dealloc_partial(void)
/* create partial object */
{
QDict *ud2_dict;
QmpInputVisitor *qiv;
Visitor *v;
ud2_dict = qdict_new();
qdict_put_obj(ud2_dict, "string0", QOBJECT(qstring_from_str(text)));
qiv = qmp_input_visitor_new(QOBJECT(ud2_dict), true);
visit_type_UserDefTwo(qmp_input_get_visitor(qiv), NULL, &ud2, &err);
qmp_input_visitor_cleanup(qiv);
v = qmp_input_visitor_new(QOBJECT(ud2_dict), true);
visit_type_UserDefTwo(v, NULL, &ud2, &err);
visit_free(v);
QDECREF(ud2_dict);
}

12
tests/test-qmp-input-strict.c
View File

@ -26,7 +26,7 @@
typedef struct TestInputVisitorData {
QObject *obj;
QmpInputVisitor *qiv;
Visitor *qiv;
} TestInputVisitorData;
static void validate_teardown(TestInputVisitorData *data,
@ -36,7 +36,7 @@ static void validate_teardown(TestInputVisitorData *data,
data->obj = NULL;
if (data->qiv) {
qmp_input_visitor_cleanup(data->qiv);
visit_free(data->qiv);
data->qiv = NULL;
}
}
@ -48,8 +48,6 @@ static Visitor *validate_test_init_internal(TestInputVisitorData *data,
const char *json_string,
va_list *ap)
{
Visitor *v;
validate_teardown(data, NULL);
data->obj = qobject_from_jsonv(json_string, ap);
@ -57,11 +55,7 @@ static Visitor *validate_test_init_internal(TestInputVisitorData *data,
data->qiv = qmp_input_visitor_new(data->obj, true);
g_assert(data->qiv);
v = qmp_input_get_visitor(data->qiv);
g_assert(v);
return v;
return data->qiv;
}
static GCC_FMT_ATTR(2, 3)

12
tests/test-qmp-input-visitor.c
View File

@ -22,7 +22,7 @@
typedef struct TestInputVisitorData {
QObject *obj;
QmpInputVisitor *qiv;
Visitor *qiv;
} TestInputVisitorData;
static void visitor_input_teardown(TestInputVisitorData *data,
@ -32,7 +32,7 @@ static void visitor_input_teardown(TestInputVisitorData *data,
data->obj = NULL;
if (data->qiv) {
qmp_input_visitor_cleanup(data->qiv);
visit_free(data->qiv);
data->qiv = NULL;
}
}
@ -44,8 +44,6 @@ static Visitor *visitor_input_test_init_internal(TestInputVisitorData *data,
const char *json_string,
va_list *ap)
{
Visitor *v;
visitor_input_teardown(data, NULL);
data->obj = qobject_from_jsonv(json_string, ap);
@ -53,11 +51,7 @@ static Visitor *visitor_input_test_init_internal(TestInputVisitorData *data,
data->qiv = qmp_input_visitor_new(data->obj, false);
g_assert(data->qiv);
v = qmp_input_get_visitor(data->qiv);
g_assert(v);
return v;
return data->qiv;
}
static GCC_FMT_ATTR(2, 3)

6
tests/test-visitor-serialization.c
View File

@ -1013,7 +1013,7 @@ static PrimitiveType pt_values[] = {
typedef struct QmpSerializeData {
QmpOutputVisitor *qov;
QmpInputVisitor *qiv;
Visitor *qiv;
} QmpSerializeData;
static void qmp_serialize(void *native_in, void **datap,
@ -1041,14 +1041,14 @@ static void qmp_deserialize(void **native_out, void *datap,
d->qiv = qmp_input_visitor_new(obj, true);
qobject_decref(obj_orig);
qobject_decref(obj);
visit(qmp_input_get_visitor(d->qiv), native_out, errp);
visit(d->qiv, native_out, errp);
}
static void qmp_cleanup(void *datap)
{
QmpSerializeData *d = datap;
qmp_output_visitor_cleanup(d->qov);
qmp_input_visitor_cleanup(d->qiv);
visit_free(d->qiv);
g_free(d);
}

6
util/qemu-sockets.c
View File

@ -1148,7 +1148,6 @@ void qapi_copy_SocketAddress(SocketAddress **p_dest,
SocketAddress *src)
{
QmpOutputVisitor *qov;
QmpInputVisitor *qiv;
Visitor *ov, *iv;
QObject *obj;
@ -1163,10 +1162,9 @@ void qapi_copy_SocketAddress(SocketAddress **p_dest,
return;
}
qiv = qmp_input_visitor_new(obj, true);
iv = qmp_input_get_visitor(qiv);
iv = qmp_input_visitor_new(obj, true);
visit_type_SocketAddress(iv, NULL, p_dest, &error_abort);
qmp_input_visitor_cleanup(qiv);
visit_free(iv);
qobject_decref(obj);
}