qapi: Add visitor for implicit structs
These can be used when an embedded struct is parsed and members not
belonging to the struct may be present in the input (e.g. parsing a
flat namespace QMP union, where fields from both the base and one
of the alternative types are mixed in the JSON object)
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
diff --git a/qapi/qmp-input-visitor.c b/qapi/qmp-input-visitor.c
index 67fb127..59c5cac 100644
--- a/qapi/qmp-input-visitor.c
+++ b/qapi/qmp-input-visitor.c
@@ -144,6 +144,18 @@
qmp_input_pop(qiv, errp);
}
+static void qmp_input_start_implicit_struct(Visitor *v, void **obj,
+ size_t size, Error **errp)
+{
+ if (obj) {
+ *obj = g_malloc0(size);
+ }
+}
+
+static void qmp_input_end_implicit_struct(Visitor *v, Error **errp)
+{
+}
+
static void qmp_input_start_list(Visitor *v, const char *name, Error **errp)
{
QmpInputVisitor *qiv = to_qiv(v);
@@ -293,6 +305,8 @@
v->visitor.start_struct = qmp_input_start_struct;
v->visitor.end_struct = qmp_input_end_struct;
+ v->visitor.start_implicit_struct = qmp_input_start_implicit_struct;
+ v->visitor.end_implicit_struct = qmp_input_end_implicit_struct;
v->visitor.start_list = qmp_input_start_list;
v->visitor.next_list = qmp_input_next_list;
v->visitor.end_list = qmp_input_end_list;
