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

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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>
This commit is contained in:
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
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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);