90ce6e2644
Clean up includes so that osdep.h is included first and headers which it implies are not included manually. This commit was created with scripts/clean-includes. NB: If this commit breaks compilation for your out-of-tree patchseries or fork, then you need to make sure you add #include "qemu/osdep.h" to any new .c files that you have. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Reviewed-by: Eric Blake <eblake@redhat.com>
109 lines
4.1 KiB
C
109 lines
4.1 KiB
C
/*
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* Core Definitions for QAPI Visitor Classes
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*
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* Copyright (C) 2012-2016 Red Hat, Inc.
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* Copyright IBM, Corp. 2011
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*
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* Authors:
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* Anthony Liguori <aliguori@us.ibm.com>
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*
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* This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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* See the COPYING.LIB file in the top-level directory.
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*
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*/
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#ifndef QAPI_VISITOR_CORE_H
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#define QAPI_VISITOR_CORE_H
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#include "qemu/typedefs.h"
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#include "qapi/qmp/qobject.h"
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/* This struct is layout-compatible with all other *List structs
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* created by the qapi generator. It is used as a typical
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* singly-linked list. */
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typedef struct GenericList {
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struct GenericList *next;
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char padding[];
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} GenericList;
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/* This struct is layout-compatible with all Alternate types
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* created by the qapi generator. */
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typedef struct GenericAlternate {
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QType type;
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char padding[];
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} GenericAlternate;
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void visit_start_struct(Visitor *v, const char *name, void **obj,
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size_t size, Error **errp);
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void visit_end_struct(Visitor *v, Error **errp);
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void visit_start_list(Visitor *v, const char *name, Error **errp);
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GenericList *visit_next_list(Visitor *v, GenericList **list, size_t size);
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void visit_end_list(Visitor *v);
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/*
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* Start the visit of an alternate @obj with the given @size.
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*
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* @name specifies the relationship to the containing struct (ignored
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* for a top level visit, the name of the key if this alternate is
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* part of an object, or NULL if this alternate is part of a list).
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*
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* @obj must not be NULL. Input visitors will allocate @obj and
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* determine the qtype of the next thing to be visited, stored in
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* (*@obj)->type. Other visitors will leave @obj unchanged.
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*
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* If @promote_int, treat integers as QTYPE_FLOAT.
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*
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* If successful, this must be paired with visit_end_alternate(), even
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* if visiting the contents of the alternate fails.
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*/
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void visit_start_alternate(Visitor *v, const char *name,
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GenericAlternate **obj, size_t size,
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bool promote_int, Error **errp);
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/*
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* Finish visiting an alternate type.
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*
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* Must be called after a successful visit_start_alternate(), even if
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* an error occurred in the meantime.
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*
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* TODO: Should all the visit_end_* interfaces take obj parameter, so
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* that dealloc visitor need not track what was passed in visit_start?
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*/
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void visit_end_alternate(Visitor *v);
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/**
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* Check if an optional member @name of an object needs visiting.
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* For input visitors, set *@present according to whether the
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* corresponding visit_type_*() needs calling; for other visitors,
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* leave *@present unchanged. Return *@present for convenience.
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*/
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bool visit_optional(Visitor *v, const char *name, bool *present);
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void visit_type_enum(Visitor *v, const char *name, int *obj,
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const char *const strings[], Error **errp);
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void visit_type_int(Visitor *v, const char *name, int64_t *obj, Error **errp);
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void visit_type_uint8(Visitor *v, const char *name, uint8_t *obj,
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Error **errp);
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void visit_type_uint16(Visitor *v, const char *name, uint16_t *obj,
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Error **errp);
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void visit_type_uint32(Visitor *v, const char *name, uint32_t *obj,
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Error **errp);
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void visit_type_uint64(Visitor *v, const char *name, uint64_t *obj,
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Error **errp);
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void visit_type_int8(Visitor *v, const char *name, int8_t *obj, Error **errp);
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void visit_type_int16(Visitor *v, const char *name, int16_t *obj,
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Error **errp);
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void visit_type_int32(Visitor *v, const char *name, int32_t *obj,
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Error **errp);
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void visit_type_int64(Visitor *v, const char *name, int64_t *obj,
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Error **errp);
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void visit_type_size(Visitor *v, const char *name, uint64_t *obj,
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Error **errp);
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void visit_type_bool(Visitor *v, const char *name, bool *obj, Error **errp);
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void visit_type_str(Visitor *v, const char *name, char **obj, Error **errp);
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void visit_type_number(Visitor *v, const char *name, double *obj,
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Error **errp);
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void visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp);
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#endif
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