See the COPYING file in the top-level directory.
"""
-from qapi.common import *
-
-
-def build_event_send_proto(name, arg_type, boxed):
+from typing import List, Optional
+
+from .common import c_enum_const, c_name, mcgen
+from .gen import QAPISchemaModularCVisitor, build_params, ifcontext
+from .schema import (
+ QAPISchema,
+ QAPISchemaEnumMember,
+ QAPISchemaFeature,
+ QAPISchemaIfCond,
+ QAPISchemaObjectType,
+)
+from .source import QAPISourceInfo
+from .types import gen_enum, gen_enum_lookup
+
+
+def build_event_send_proto(name: str,
+ arg_type: Optional[QAPISchemaObjectType],
+ boxed: bool) -> str:
return 'void qapi_event_send_%(c_name)s(%(param)s)' % {
'c_name': c_name(name.lower()),
'param': build_params(arg_type, boxed)}
-def gen_event_send_decl(name, arg_type, boxed):
+def gen_event_send_decl(name: str,
+ arg_type: Optional[QAPISchemaObjectType],
+ boxed: bool) -> str:
return mcgen('''
%(proto)s;
proto=build_event_send_proto(name, arg_type, boxed))
-# Declare and initialize an object 'qapi' using parameters from build_params()
-def gen_param_var(typ):
+def gen_param_var(typ: QAPISchemaObjectType) -> str:
+ """
+ Generate a struct variable holding the event parameters.
+
+ Initialize it with the function arguments defined in `gen_event_send`.
+ """
assert not typ.variants
ret = mcgen('''
%(c_name)s param = {
for memb in typ.members:
ret += sep
sep = ', '
- if memb.optional:
+ if memb.need_has():
ret += 'has_' + c_name(memb.name) + sep
if memb.type.name == 'str':
# Cast away const added in build_params()
return ret
-def gen_event_send(name, arg_type, boxed, event_enum_name, event_emit):
+def gen_event_send(name: str,
+ arg_type: Optional[QAPISchemaObjectType],
+ features: List[QAPISchemaFeature],
+ boxed: bool,
+ event_enum_name: str,
+ event_emit: str) -> str:
# FIXME: Our declaration of local variables (and of 'errp' in the
# parameter list) can collide with exploded members of the event's
# data type passed in as parameters. If this collision ever hits in
proto=build_event_send_proto(name, arg_type, boxed))
if have_args:
+ assert arg_type is not None
ret += mcgen('''
QObject *obj;
Visitor *v;
if not boxed:
ret += gen_param_var(arg_type)
+ for f in features:
+ if f.is_special():
+ ret += mcgen('''
+
+ if (compat_policy.%(feat)s_output == COMPAT_POLICY_OUTPUT_HIDE) {
+ return;
+ }
+''',
+ feat=f.name)
+
ret += mcgen('''
qmp = qmp_event_build_dict("%(name)s");
name=name)
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('''
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('''
class QAPISchemaGenEventVisitor(QAPISchemaModularCVisitor):
- def __init__(self, prefix):
- QAPISchemaModularCVisitor.__init__(
- self, prefix, 'qapi-events',
- ' * Schema-defined QAPI/QMP events', __doc__)
+ def __init__(self, prefix: str):
+ super().__init__(
+ prefix, 'qapi-events',
+ ' * Schema-defined QAPI/QMP events', None, __doc__)
self._event_enum_name = c_name(prefix + 'QAPIEvent', protect=False)
- self._event_enum_members = []
+ self._event_enum_members: List[QAPISchemaEnumMember] = []
self._event_emit_name = c_name(prefix + 'qapi_event_emit')
- def _begin_user_module(self, name):
+ def _begin_user_module(self, name: str) -> None:
events = self._module_basename('qapi-events', name)
types = self._module_basename('qapi-types', name)
visit = self._module_basename('qapi-visit', name)
#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"
#include "qapi/qmp-event.h"
-
''',
events=events, visit=visit,
prefix=self._prefix))
''',
types=types))
- def visit_end(self):
- self._add_system_module('emit', ' * QAPI Events emission')
+ def visit_end(self) -> None:
+ self._add_module('./emit', ' * QAPI Events emission')
self._genc.preamble_add(mcgen('''
#include "qemu/osdep.h"
#include "%(prefix)sqapi-emit-events.h"
event_emit=self._event_emit_name,
event_enum=self._event_enum_name))
- def visit_event(self, name, info, ifcond, arg_type, boxed):
+ def visit_event(self,
+ name: str,
+ info: Optional[QAPISourceInfo],
+ ifcond: QAPISchemaIfCond,
+ features: List[QAPISchemaFeature],
+ arg_type: Optional[QAPISchemaObjectType],
+ 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
# keep the enumeration usable in target-independent code.
- self._event_enum_members.append(QAPISchemaEnumMember(name))
+ self._event_enum_members.append(QAPISchemaEnumMember(name, None))
-def gen_events(schema, output_dir, prefix):
+def gen_events(schema: QAPISchema,
+ output_dir: str,
+ prefix: str) -> None:
vis = QAPISchemaGenEventVisitor(prefix)
schema.visit(vis)
vis.write(output_dir)
projects / mirror_qemu.git / blobdiff