xref: /openbmc/qemu/include/qapi/visitor-impl.h (revision b957a1b0)
1 /*
2  * Core Definitions for QAPI Visitor implementations
3  *
4  * Copyright (C) 2012 Red Hat, Inc.
5  *
6  * Author: Paolo Bonizni <pbonzini@redhat.com>
7  *
8  * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
9  * See the COPYING.LIB file in the top-level directory.
10  *
11  */
12 #ifndef QAPI_VISITOR_IMPL_H
13 #define QAPI_VISITOR_IMPL_H
14 
15 #include "qapi/error.h"
16 #include "qapi/visitor.h"
17 
18 struct Visitor
19 {
20     /* Must be set */
21     void (*start_struct)(Visitor *v, void **obj, const char *kind,
22                          const char *name, size_t size, Error **errp);
23     void (*end_struct)(Visitor *v, Error **errp);
24 
25     void (*start_list)(Visitor *v, const char *name, Error **errp);
26     GenericList *(*next_list)(Visitor *v, GenericList **list, Error **errp);
27     void (*end_list)(Visitor *v, Error **errp);
28 
29     void (*type_enum)(Visitor *v, int *obj, const char *strings[],
30                       const char *kind, const char *name, Error **errp);
31 
32     void (*type_int)(Visitor *v, int64_t *obj, const char *name, Error **errp);
33     void (*type_bool)(Visitor *v, bool *obj, const char *name, Error **errp);
34     void (*type_str)(Visitor *v, char **obj, const char *name, Error **errp);
35     void (*type_number)(Visitor *v, double *obj, const char *name,
36                         Error **errp);
37 
38     /* May be NULL */
39     void (*start_optional)(Visitor *v, bool *present, const char *name,
40                            Error **errp);
41     void (*end_optional)(Visitor *v, Error **errp);
42 
43     void (*start_handle)(Visitor *v, void **obj, const char *kind,
44                          const char *name, Error **errp);
45     void (*end_handle)(Visitor *v, Error **errp);
46     void (*type_uint8)(Visitor *v, uint8_t *obj, const char *name, Error **errp);
47     void (*type_uint16)(Visitor *v, uint16_t *obj, const char *name, Error **errp);
48     void (*type_uint32)(Visitor *v, uint32_t *obj, const char *name, Error **errp);
49     void (*type_uint64)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
50     void (*type_int8)(Visitor *v, int8_t *obj, const char *name, Error **errp);
51     void (*type_int16)(Visitor *v, int16_t *obj, const char *name, Error **errp);
52     void (*type_int32)(Visitor *v, int32_t *obj, const char *name, Error **errp);
53     void (*type_int64)(Visitor *v, int64_t *obj, const char *name, Error **errp);
54     /* visit_type_size() falls back to (*type_uint64)() if type_size is unset */
55     void (*type_size)(Visitor *v, uint64_t *obj, const char *name, Error **errp);
56 };
57 
58 void input_type_enum(Visitor *v, int *obj, const char *strings[],
59                      const char *kind, const char *name, Error **errp);
60 void output_type_enum(Visitor *v, int *obj, const char *strings[],
61                       const char *kind, const char *name, Error **errp);
62 
63 #endif
64