4 # Copyright (c) 2014 Wenchao Xia
5 # Copyright (c) 2015 Red Hat Inc.
11 # This work is licensed under the terms of the GNU GPL, version 2.
12 # See the COPYING file in the top-level directory.
17 def gen_event_send_proto(name, arg_type):
18 return 'void qapi_event_send_%(c_name)s(%(param)s)' % {
19 'c_name': c_name(name.lower()),
20 'param': gen_params(arg_type, 'Error **errp')}
23 def gen_event_send_decl(name, arg_type):
28 proto=gen_event_send_proto(name, arg_type))
31 def gen_event_send(name, arg_type):
38 QMPEventFuncEmit emit;
40 proto=gen_event_send_proto(name, arg_type))
42 if arg_type and arg_type.members:
44 QmpOutputVisitor *qov;
51 emit = qmp_event_get_func_emit();
56 qmp = qmp_event_build_dict("%(name)s");
61 if arg_type and arg_type.members:
63 qov = qmp_output_visitor_new();
66 v = qmp_output_get_visitor(qov);
69 /* Fake visit, as if all members are under a structure */
70 visit_start_struct(v, NULL, "", "%(name)s", 0, &err);
73 ret += gen_err_check()
74 ret += gen_visit_fields(arg_type.members, need_cast=True)
76 visit_end_struct(v, &err);
81 obj = qmp_output_get_qobject(qov);
82 g_assert(obj != NULL);
84 qdict_put_obj(qmp, "data", obj);
88 emit(%(c_enum)s, qmp, &err);
91 c_enum=c_enum_const(event_enum_name, name))
93 if arg_type and arg_type.members:
96 qmp_output_visitor_cleanup(qov);
99 error_propagate(errp, err);
106 class QAPISchemaGenEventVisitor(QAPISchemaVisitor):
110 self._event_names = None
112 def visit_begin(self, schema):
115 self._event_names = []
118 self.decl += gen_enum(event_enum_name, self._event_names)
119 self.defn += gen_enum_lookup(event_enum_name, self._event_names)
120 self._event_names = None
122 def visit_event(self, name, info, arg_type):
123 self.decl += gen_event_send_decl(name, arg_type)
124 self.defn += gen_event_send(name, arg_type)
125 self._event_names.append(name)
128 (input_file, output_dir, do_c, do_h, prefix, dummy) = parse_command_line()
132 * schema-defined QAPI event functions
134 * Copyright (c) 2014 Wenchao Xia
139 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
140 * See the COPYING.LIB file in the top-level directory.
146 * schema-defined QAPI event functions
148 * Copyright (c) 2014 Wenchao Xia
153 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
154 * See the COPYING.LIB file in the top-level directory.
159 (fdef, fdecl) = open_output(output_dir, do_c, do_h, prefix,
160 'qapi-event.c', 'qapi-event.h',
161 c_comment, h_comment)
164 #include "qemu-common.h"
165 #include "%(prefix)sqapi-event.h"
166 #include "%(prefix)sqapi-visit.h"
167 #include "qapi/qmp-output-visitor.h"
168 #include "qapi/qmp-event.h"
173 fdecl.write(mcgen('''
174 #include "qapi/error.h"
175 #include "qapi/qmp/qdict.h"
176 #include "%(prefix)sqapi-types.h"
181 event_enum_name = c_name(prefix + "QAPIEvent", protect=False)
183 schema = QAPISchema(input_file)
184 gen = QAPISchemaGenEventVisitor()
187 fdecl.write(gen.decl)
189 close_output(fdef, fdecl)