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authorEric Blake <eblake@redhat.com>2016-07-13 21:50:18 -0600
committerMarkus Armbruster <armbru@redhat.com>2016-07-19 13:21:08 +0200
commit4d0b268fdb17a1fed10fe980e77fd388e5427bfd (patch)
tree5843a8439554a9dc1681f8fe90e91c3becce636d /scripts
parentfa274ed6fb788866ed3a2cfd54a2ddf78f04f2c0 (diff)
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qapi-event: Simplify visit of non-implicit data
Commit 7ce106a9 documented why we don't generated a visit_type_FOO() for implicit types; and therefore events with an anonymous type for 'data' have to open-code a visit. Note that the open-coded visit in qapi-event.c is slightly different from what is done in qapi-visit.c for normal types, in part because we don't have to check for *obj being NULL or free things on error. But where the type is not implicit, it is nicer to reuse the normal visit instead of open-coding a duplicate. At the moment, the only event with a non-implicit 'data' is in the testsuite, where test-qapi-event.c changes as follows: |@@ -155,6 +155,7 @@ void qapi_event_send___org_qemu_x_event( | __org_qemu_x_Struct param = { | __org_qemu_x_member1, (char *)__org_qemu_x_member2, has_q_wchar_t, q_wchar_t | }; |+ __org_qemu_x_Struct *arg = &param; | | emit = qmp_event_get_func_emit(); | if (!emit) { |@@ -164,16 +165,7 @@ void qapi_event_send___org_qemu_x_event( | qmp = qmp_event_build_dict("__ORG.QEMU_X-EVENT"); | | v = qmp_output_visitor_new(&obj); |- |- visit_start_struct(v, "__ORG.QEMU_X-EVENT", NULL, 0, &err); |- if (err) { |- goto out; |- } |- visit_type___org_qemu_x_Struct_members(v, &param, &err); |- if (!err) { |- if (!err) { |- visit_check_struct(v, &err); |- } |- visit_end_struct(v, NULL); |+ visit_type___org_qemu_x_Struct(v, "__ORG.QEMU_X-EVENT", &arg, &err); | if (err) { | goto out; | } Signed-off-by: Eric Blake <eblake@redhat.com> Message-Id: <1468468228-27827-8-git-send-email-eblake@redhat.com> Reviewed-by: Markus Armbruster <armbru@redhat.com> Signed-off-by: Markus Armbruster <armbru@redhat.com>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/qapi-event.py19
1 files changed, 17 insertions, 2 deletions
diff --git a/scripts/qapi-event.py b/scripts/qapi-event.py
index 09c0a2a..b9c6b6e 100644
--- a/scripts/qapi-event.py
+++ b/scripts/qapi-event.py
@@ -49,6 +49,11 @@ def gen_param_var(typ):
};
''')
+ if not typ.is_implicit():
+ ret += mcgen('''
+ %(c_name)s *arg = &param;
+''',
+ c_name=typ.c_name())
return ret
@@ -91,6 +96,14 @@ def gen_event_send(name, arg_type):
if arg_type and not arg_type.is_empty():
ret += mcgen('''
v = qmp_output_visitor_new(&obj);
+''')
+ if not arg_type.is_implicit():
+ ret += mcgen('''
+ visit_type_%(c_name)s(v, "%(name)s", &arg, &err);
+''',
+ name=name, c_name=arg_type.c_name())
+ else:
+ ret += mcgen('''
visit_start_struct(v, "%(name)s", NULL, 0, &err);
if (err) {
@@ -101,14 +114,16 @@ def gen_event_send(name, arg_type):
visit_check_struct(v, &err);
}
visit_end_struct(v, NULL);
+''',
+ name=name, c_name=arg_type.c_name())
+ ret += mcgen('''
if (err) {
goto out;
}
visit_complete(v, &obj);
qdict_put_obj(qmp, "data", obj);
-''',
- name=name, c_name=arg_type.c_name())
+''')
ret += mcgen('''
emit(%(c_enum)s, qmp, &err);