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authorMarkus Armbruster <armbru@redhat.com>2021-03-18 16:55:13 +0100
committerMarkus Armbruster <armbru@redhat.com>2021-03-19 15:43:33 +0100
commita291a38fa1db6a67bd9046da26a48e82c591ca49 (patch)
treee1e9f45a034da6efe0db8e753e679d919048c6f6 /scripts/qapi/events.py
parent278fc2f7d3425dfbc6aa91644bffc65e94afad7c (diff)
downloadfocaccia-qemu-a291a38fa1db6a67bd9046da26a48e82c591ca49.tar.gz
focaccia-qemu-a291a38fa1db6a67bd9046da26a48e82c591ca49.zip
qapi: Implement deprecated-output=hide for QMP event data
This policy suppresses deprecated bits in output, and thus permits
"testing the future".  Implement it for QMP event data: suppress
deprecated members.

No QMP event data is deprecated right now.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210318155519.1224118-6-armbru@redhat.com>
Diffstat (limited to 'scripts/qapi/events.py')
-rw-r--r--scripts/qapi/events.py9
1 files changed, 6 insertions, 3 deletions
diff --git a/scripts/qapi/events.py b/scripts/qapi/events.py
index f6e1e76f64..fee8c671e7 100644
--- a/scripts/qapi/events.py
+++ b/scripts/qapi/events.py
@@ -126,7 +126,7 @@ def gen_event_send(name: str,
     if have_args:
         assert arg_type is not None
         ret += mcgen('''
-    v = qobject_output_visitor_new(&obj);
+    v = qobject_output_visitor_new_qmp(&obj);
 ''')
         if not arg_type.is_implicit():
             ret += mcgen('''
@@ -145,7 +145,11 @@ def gen_event_send(name: str,
         ret += mcgen('''
 
     visit_complete(v, &obj);
-    qdict_put_obj(qmp, "data", obj);
+    if (qdict_size(qobject_to(QDict, obj))) {
+        qdict_put_obj(qmp, "data", obj);
+    } else {
+        qobject_unref(obj);
+    }
 ''')
 
     ret += mcgen('''
@@ -188,7 +192,6 @@ class QAPISchemaGenEventVisitor(QAPISchemaModularCVisitor):
 #include "qapi/compat-policy.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qdict.h"
-#include "qapi/qobject-output-visitor.h"
 #include "qapi/qmp-event.h"
 
 ''',