qemu-e2k/include/qapi/visitor.h

86 lines
3.3 KiB
C

/*
* Core Definitions for QAPI Visitor Classes
*
* Copyright (C) 2012-2016 Red Hat, Inc.
* Copyright IBM, Corp. 2011
*
* Authors:
* Anthony Liguori <aliguori@us.ibm.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.
*
*/
#ifndef QAPI_VISITOR_CORE_H
#define QAPI_VISITOR_CORE_H
#include "qemu/typedefs.h"
#include "qapi/qmp/qobject.h"
#include "qapi/error.h"
#include <stdlib.h>
typedef struct GenericList
{
union {
void *value;
uint64_t padding;
};
struct GenericList *next;
} GenericList;
void visit_start_struct(Visitor *v, const char *name, void **obj,
size_t size, Error **errp);
void visit_end_struct(Visitor *v, Error **errp);
void visit_start_implicit_struct(Visitor *v, void **obj, size_t size,
Error **errp);
void visit_end_implicit_struct(Visitor *v);
void visit_start_list(Visitor *v, const char *name, Error **errp);
GenericList *visit_next_list(Visitor *v, GenericList **list);
void visit_end_list(Visitor *v);
/**
* Check if an optional member @name of an object needs visiting.
* For input visitors, set *@present according to whether the
* corresponding visit_type_*() needs calling; for other visitors,
* leave *@present unchanged. Return *@present for convenience.
*/
bool visit_optional(Visitor *v, const char *name, bool *present);
/**
* Determine the qtype of the item @name in the current object visit.
* For input visitors, set *@type to the correct qtype of a qapi
* alternate type; for other visitors, leave *@type unchanged.
* If @promote_int, treat integers as QTYPE_FLOAT.
*/
void visit_get_next_type(Visitor *v, const char *name, QType *type,
bool promote_int, Error **errp);
void visit_type_enum(Visitor *v, const char *name, int *obj,
const char *const strings[], Error **errp);
void visit_type_int(Visitor *v, const char *name, int64_t *obj, Error **errp);
void visit_type_uint8(Visitor *v, const char *name, uint8_t *obj,
Error **errp);
void visit_type_uint16(Visitor *v, const char *name, uint16_t *obj,
Error **errp);
void visit_type_uint32(Visitor *v, const char *name, uint32_t *obj,
Error **errp);
void visit_type_uint64(Visitor *v, const char *name, uint64_t *obj,
Error **errp);
void visit_type_int8(Visitor *v, const char *name, int8_t *obj, Error **errp);
void visit_type_int16(Visitor *v, const char *name, int16_t *obj,
Error **errp);
void visit_type_int32(Visitor *v, const char *name, int32_t *obj,
Error **errp);
void visit_type_int64(Visitor *v, const char *name, int64_t *obj,
Error **errp);
void visit_type_size(Visitor *v, const char *name, uint64_t *obj,
Error **errp);
void visit_type_bool(Visitor *v, const char *name, bool *obj, Error **errp);
void visit_type_str(Visitor *v, const char *name, char **obj, Error **errp);
void visit_type_number(Visitor *v, const char *name, double *obj,
Error **errp);
void visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp);
bool visit_start_union(Visitor *v, bool data_present, Error **errp);
#endif