qapi-dealloc-visitor.c · samitouri/QOSamiQemu

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1	/*
2	* Dealloc Visitor
3	*
4	* Copyright (C) 2012-2016 Red Hat, Inc.
5	* Copyright IBM, Corp. 2011
6	*
7	* Authors:
8	* Michael Roth <mdroth@linux.vnet.ibm.com>
9	*
10	* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
11	* See the COPYING.LIB file in the top-level directory.
12	*
13	*/
14
15	#include "qemu/osdep.h"
16	#include "qapi/dealloc-visitor.h"
17	#include "qobject/qnull.h"
18	#include "qapi/visitor-impl.h"
19
20	struct QapiDeallocVisitor
21	{
22	Visitor visitor;
23	};
24
25	static bool qapi_dealloc_start_struct(Visitor v, const char name, void **obj,
26	size_t unused, Error **errp)
27	{
28	return true;
29	}
30
31	static void qapi_dealloc_end_struct(Visitor v, void *obj)
32	{
33	if (obj) {
34	g_free(*obj);
35	}
36	}
37
38	static void qapi_dealloc_end_alternate(Visitor v, void *obj)
39	{
40	if (obj) {
41	g_free(*obj);
42	}
43	}
44
45	static bool qapi_dealloc_start_list(Visitor v, const char name,
46	GenericList **list, size_t size,
47	Error **errp)
48	{
49	return true;
50	}
51
52	static GenericList qapi_dealloc_next_list(Visitor v, GenericList *tail,
53	size_t size)
54	{
55	GenericList *next = tail->next;
56	g_free(tail);
57	return next;
58	}
59
60	static void qapi_dealloc_end_list(Visitor v, void *obj)
61	{
62	}
63
64	static bool qapi_dealloc_type_str(Visitor v, const char name, char **obj,
65	Error **errp)
66	{
67	if (obj) {
68	g_free(*obj);
69	}
70	return true;
71	}
72
73	static bool qapi_dealloc_type_int64(Visitor v, const char name, int64_t *obj,
74	Error **errp)
75	{
76	return true;
77	}
78
79	static bool qapi_dealloc_type_uint64(Visitor v, const char name,
80	uint64_t obj, Error *errp)
81	{
82	return true;
83	}
84
85	static bool qapi_dealloc_type_bool(Visitor v, const char name, bool *obj,
86	Error **errp)
87	{
88	return true;
89	}
90
91	static bool qapi_dealloc_type_number(Visitor v, const char name, double *obj,
92	Error **errp)
93	{
94	return true;
95	}
96
97	static bool qapi_dealloc_type_anything(Visitor v, const char name,
98	QObject obj, Error errp)
99	{
100	if (obj) {
101	qobject_unref(*obj);
102	}
103	return true;
104	}
105
106	static bool qapi_dealloc_type_null(Visitor v, const char name,
107	QNull obj, Error errp)
108	{
109	if (obj) {
110	qobject_unref(*obj);
111	}
112	return true;
113	}
114
115	static void qapi_dealloc_free(Visitor *v)
116	{
117	g_free(container_of(v, QapiDeallocVisitor, visitor));
118	}
119
120	Visitor *qapi_dealloc_visitor_new(void)
121	{
122	QapiDeallocVisitor *v;
123
124	v = g_malloc0(sizeof(*v));
125
126	v->visitor.type = VISITOR_DEALLOC;
127	v->visitor.start_struct = qapi_dealloc_start_struct;
128	v->visitor.end_struct = qapi_dealloc_end_struct;
129	v->visitor.end_alternate = qapi_dealloc_end_alternate;
130	v->visitor.start_list = qapi_dealloc_start_list;
131	v->visitor.next_list = qapi_dealloc_next_list;
132	v->visitor.end_list = qapi_dealloc_end_list;
133	v->visitor.type_int64 = qapi_dealloc_type_int64;
134	v->visitor.type_uint64 = qapi_dealloc_type_uint64;
135	v->visitor.type_bool = qapi_dealloc_type_bool;
136	v->visitor.type_str = qapi_dealloc_type_str;
137	v->visitor.type_number = qapi_dealloc_type_number;
138	v->visitor.type_any = qapi_dealloc_type_anything;
139	v->visitor.type_null = qapi_dealloc_type_null;
140	v->visitor.free = qapi_dealloc_free;
141
142	return &v->visitor;
143	}