diff options
Diffstat (limited to 'qemu/scripts/qapi-event.py')
| -rw-r--r-- | qemu/scripts/qapi-event.py | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/qemu/scripts/qapi-event.py b/qemu/scripts/qapi-event.py deleted file mode 100644 index 9b5c5b535..000000000 --- a/qemu/scripts/qapi-event.py +++ /dev/null @@ -1,213 +0,0 @@ -# -# QAPI event generator -# -# Copyright (c) 2014 Wenchao Xia -# Copyright (c) 2015-2016 Red Hat Inc. -# -# Authors: -# Wenchao Xia <wenchaoqemu@gmail.com> -# Markus Armbruster <armbru@redhat.com> -# -# This work is licensed under the terms of the GNU GPL, version 2. -# See the COPYING file in the top-level directory. - -from qapi import * - - -def gen_event_send_proto(name, arg_type): - return 'void qapi_event_send_%(c_name)s(%(param)s)' % { - 'c_name': c_name(name.lower()), - 'param': gen_params(arg_type, 'Error **errp')} - - -def gen_event_send_decl(name, arg_type): - return mcgen(''' - -%(proto)s; -''', - proto=gen_event_send_proto(name, arg_type)) - - -# Declare and initialize an object 'qapi' using parameters from gen_params() -def gen_param_var(typ): - assert not typ.variants - ret = mcgen(''' - %(c_name)s param = { -''', - c_name=typ.c_name()) - sep = ' ' - for memb in typ.members: - ret += sep - sep = ', ' - if memb.optional: - ret += 'has_' + c_name(memb.name) + sep - if memb.type.name == 'str': - # Cast away const added in gen_params() - ret += '(char *)' - ret += c_name(memb.name) - ret += mcgen(''' - - }; -''') - return ret - - -def gen_event_send(name, arg_type): - # 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 - # practice, we can rename our local variables with a leading _ prefix, - # or split the code into a wrapper function that creates a boxed - # 'param' object then calls another to do the real work. - ret = mcgen(''' - -%(proto)s -{ - QDict *qmp; - Error *err = NULL; - QMPEventFuncEmit emit; -''', - proto=gen_event_send_proto(name, arg_type)) - - if arg_type and arg_type.members: - ret += mcgen(''' - QmpOutputVisitor *qov; - Visitor *v; -''') - ret += gen_param_var(arg_type) - - ret += mcgen(''' - - emit = qmp_event_get_func_emit(); - if (!emit) { - return; - } - - qmp = qmp_event_build_dict("%(name)s"); - -''', - name=name) - - if arg_type and arg_type.members: - ret += mcgen(''' - qov = qmp_output_visitor_new(); - v = qmp_output_get_visitor(qov); - - visit_start_struct(v, "%(name)s", NULL, 0, &err); - if (err) { - goto out; - } - visit_type_%(c_name)s_members(v, ¶m, &err); - visit_end_struct(v, err ? NULL : &err); - if (err) { - goto out; - } - - qdict_put_obj(qmp, "data", qmp_output_get_qobject(qov)); -''', - name=name, c_name=arg_type.c_name()) - - ret += mcgen(''' - emit(%(c_enum)s, qmp, &err); - -''', - c_enum=c_enum_const(event_enum_name, name)) - - if arg_type and arg_type.members: - ret += mcgen(''' -out: - qmp_output_visitor_cleanup(qov); -''') - ret += mcgen(''' - error_propagate(errp, err); - QDECREF(qmp); -} -''') - return ret - - -class QAPISchemaGenEventVisitor(QAPISchemaVisitor): - def __init__(self): - self.decl = None - self.defn = None - self._event_names = None - - def visit_begin(self, schema): - self.decl = '' - self.defn = '' - self._event_names = [] - - def visit_end(self): - self.decl += gen_enum(event_enum_name, self._event_names) - self.defn += gen_enum_lookup(event_enum_name, self._event_names) - self._event_names = None - - def visit_event(self, name, info, arg_type): - self.decl += gen_event_send_decl(name, arg_type) - self.defn += gen_event_send(name, arg_type) - self._event_names.append(name) - - -(input_file, output_dir, do_c, do_h, prefix, dummy) = parse_command_line() - -c_comment = ''' -/* - * schema-defined QAPI event functions - * - * Copyright (c) 2014 Wenchao Xia - * - * Authors: - * Wenchao Xia <wenchaoqemu@gmail.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ -''' -h_comment = ''' -/* - * schema-defined QAPI event functions - * - * Copyright (c) 2014 Wenchao Xia - * - * Authors: - * Wenchao Xia <wenchaoqemu@gmail.com> - * - * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. - * See the COPYING.LIB file in the top-level directory. - * - */ -''' - -(fdef, fdecl) = open_output(output_dir, do_c, do_h, prefix, - 'qapi-event.c', 'qapi-event.h', - c_comment, h_comment) - -fdef.write(mcgen(''' -#include "qemu/osdep.h" -#include "qemu-common.h" -#include "%(prefix)sqapi-event.h" -#include "%(prefix)sqapi-visit.h" -#include "qapi/qmp-output-visitor.h" -#include "qapi/qmp-event.h" - -''', - prefix=prefix)) - -fdecl.write(mcgen(''' -#include "qapi/error.h" -#include "qapi/qmp/qdict.h" -#include "%(prefix)sqapi-types.h" - -''', - prefix=prefix)) - -event_enum_name = c_name(prefix + "QAPIEvent", protect=False) - -schema = QAPISchema(input_file) -gen = QAPISchemaGenEventVisitor() -schema.visit(gen) -fdef.write(gen.defn) -fdecl.write(gen.decl) - -close_output(fdef, fdecl) |