xref: /openbmc/qemu/qapi/qapi-dealloc-visitor.c (revision d4a6bab1)
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 "qapi/qmp/qnull.h"
18 #include "qapi/visitor-impl.h"
19 
20 struct QapiDeallocVisitor
21 {
22     Visitor visitor;
23 };
24 
qapi_dealloc_start_struct(Visitor * v,const char * name,void ** obj,size_t unused,Error ** errp)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 
qapi_dealloc_end_struct(Visitor * v,void ** obj)31 static void qapi_dealloc_end_struct(Visitor *v, void **obj)
32 {
33     if (obj) {
34         g_free(*obj);
35     }
36 }
37 
qapi_dealloc_end_alternate(Visitor * v,void ** obj)38 static void qapi_dealloc_end_alternate(Visitor *v, void **obj)
39 {
40     if (obj) {
41         g_free(*obj);
42     }
43 }
44 
qapi_dealloc_start_list(Visitor * v,const char * name,GenericList ** list,size_t size,Error ** errp)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 
qapi_dealloc_next_list(Visitor * v,GenericList * tail,size_t size)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 
qapi_dealloc_end_list(Visitor * v,void ** obj)60 static void qapi_dealloc_end_list(Visitor *v, void **obj)
61 {
62 }
63 
qapi_dealloc_type_str(Visitor * v,const char * name,char ** obj,Error ** errp)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 
qapi_dealloc_type_int64(Visitor * v,const char * name,int64_t * obj,Error ** errp)73 static bool qapi_dealloc_type_int64(Visitor *v, const char *name, int64_t *obj,
74                                     Error **errp)
75 {
76     return true;
77 }
78 
qapi_dealloc_type_uint64(Visitor * v,const char * name,uint64_t * obj,Error ** errp)79 static bool qapi_dealloc_type_uint64(Visitor *v, const char *name,
80                                      uint64_t *obj, Error **errp)
81 {
82     return true;
83 }
84 
qapi_dealloc_type_bool(Visitor * v,const char * name,bool * obj,Error ** errp)85 static bool qapi_dealloc_type_bool(Visitor *v, const char *name, bool *obj,
86                                    Error **errp)
87 {
88     return true;
89 }
90 
qapi_dealloc_type_number(Visitor * v,const char * name,double * obj,Error ** errp)91 static bool qapi_dealloc_type_number(Visitor *v, const char *name, double *obj,
92                                      Error **errp)
93 {
94     return true;
95 }
96 
qapi_dealloc_type_anything(Visitor * v,const char * name,QObject ** obj,Error ** errp)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 
qapi_dealloc_type_null(Visitor * v,const char * name,QNull ** obj,Error ** errp)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 
qapi_dealloc_free(Visitor * v)115 static void qapi_dealloc_free(Visitor *v)
116 {
117     g_free(container_of(v, QapiDeallocVisitor, visitor));
118 }
119 
qapi_dealloc_visitor_new(void)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 }
144