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authorMarkus Armbruster <armbru@redhat.com>2021-03-18 16:55:12 +0100
committerMarkus Armbruster <armbru@redhat.com>2021-03-19 15:43:33 +0100
commit278fc2f7d3425dfbc6aa91644bffc65e94afad7c (patch)
treebcc95e2dcbeb3407ab6626563b2b7a7f3596e18e /scripts/qapi/events.py
parent91fa93e516d080d440ead2ad4f88960545bd5b2c (diff)
downloadfocaccia-qemu-278fc2f7d3425dfbc6aa91644bffc65e94afad7c.tar.gz
focaccia-qemu-278fc2f7d3425dfbc6aa91644bffc65e94afad7c.zip
qapi: Implement deprecated-output=hide for QMP events
This policy suppresses deprecated bits in output, and thus permits
"testing the future".  Implement it for QMP events: suppress
deprecated ones.

No QMP event is deprecated right now.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210318155519.1224118-5-armbru@redhat.com>
Diffstat (limited to 'scripts/qapi/events.py')
-rw-r--r--scripts/qapi/events.py12
1 files changed, 11 insertions, 1 deletions
diff --git a/scripts/qapi/events.py b/scripts/qapi/events.py
index 90d2f6156d..f6e1e76f64 100644
--- a/scripts/qapi/events.py
+++ b/scripts/qapi/events.py
@@ -79,6 +79,7 @@ def gen_param_var(typ: QAPISchemaObjectType) -> str:
 
 def gen_event_send(name: str,
                    arg_type: Optional[QAPISchemaObjectType],
+                   features: List[QAPISchemaFeature],
                    boxed: bool,
                    event_enum_name: str,
                    event_emit: str) -> str:
@@ -107,6 +108,14 @@ def gen_event_send(name: str,
         if not boxed:
             ret += gen_param_var(arg_type)
 
+    if 'deprecated' in [f.name for f in features]:
+        ret += mcgen('''
+
+    if (compat_policy.deprecated_output == COMPAT_POLICY_OUTPUT_HIDE) {
+        return;
+    }
+''')
+
     ret += mcgen('''
 
     qmp = qmp_event_build_dict("%(name)s");
@@ -176,6 +185,7 @@ class QAPISchemaGenEventVisitor(QAPISchemaModularCVisitor):
 #include "%(prefix)sqapi-emit-events.h"
 #include "%(events)s.h"
 #include "%(visit)s.h"
+#include "qapi/compat-policy.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qdict.h"
 #include "qapi/qobject-output-visitor.h"
@@ -220,7 +230,7 @@ void %(event_emit)s(%(event_enum)s event, QDict *qdict);
                     boxed: bool) -> None:
         with ifcontext(ifcond, self._genh, self._genc):
             self._genh.add(gen_event_send_decl(name, arg_type, boxed))
-            self._genc.add(gen_event_send(name, arg_type, boxed,
+            self._genc.add(gen_event_send(name, arg_type, features, boxed,
                                           self._event_enum_name,
                                           self._event_emit_name))
         # Note: we generate the enum member regardless of @ifcond, to