LXR qemu/qapi/qapi-dealloc-visitor.c

   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 "qemu/queue.h"
  19#include "qemu-common.h"
  20#include "qapi/visitor-impl.h"
  21
  22struct QapiDeallocVisitor
  23{
  24    Visitor visitor;
  25};
  26
  27static void qapi_dealloc_start_struct(Visitor *v, const char *name, void **obj,
  28                                      size_t unused, Error **errp)
  29{
  30}
  31
  32static void qapi_dealloc_end_struct(Visitor *v, void **obj)
  33{
  34    if (obj) {
  35        g_free(*obj);
  36    }
  37}
  38
  39static void qapi_dealloc_start_alternate(Visitor *v, const char *name,
  40                                         GenericAlternate **obj, size_t size,
  41                                         Error **errp)
  42{
  43}
  44
  45static void qapi_dealloc_end_alternate(Visitor *v, void **obj)
  46{
  47    if (obj) {
  48        g_free(*obj);
  49    }
  50}
  51
  52static void qapi_dealloc_start_list(Visitor *v, const char *name,
  53                                    GenericList **list, size_t size,
  54                                    Error **errp)
  55{
  56}
  57
  58static GenericList *qapi_dealloc_next_list(Visitor *v, GenericList *tail,
  59                                           size_t size)
  60{
  61    GenericList *next = tail->next;
  62    g_free(tail);
  63    return next;
  64}
  65
  66static void qapi_dealloc_end_list(Visitor *v, void **obj)
  67{
  68}
  69
  70static void qapi_dealloc_type_str(Visitor *v, const char *name, char **obj,
  71                                  Error **errp)
  72{
  73    if (obj) {
  74        g_free(*obj);
  75    }
  76}
  77
  78static void qapi_dealloc_type_int64(Visitor *v, const char *name, int64_t *obj,
  79                                    Error **errp)
  80{
  81}
  82
  83static void qapi_dealloc_type_uint64(Visitor *v, const char *name,
  84                                     uint64_t *obj, Error **errp)
  85{
  86}
  87
  88static void qapi_dealloc_type_bool(Visitor *v, const char *name, bool *obj,
  89                                   Error **errp)
  90{
  91}
  92
  93static void qapi_dealloc_type_number(Visitor *v, const char *name, double *obj,
  94                                     Error **errp)
  95{
  96}
  97
  98static void qapi_dealloc_type_anything(Visitor *v, const char *name,
  99                                       QObject **obj, Error **errp)
 100{
 101    if (obj) {
 102        qobject_unref(*obj);
 103    }
 104}
 105
 106static void qapi_dealloc_type_null(Visitor *v, const char *name,
 107                                   QNull **obj, Error **errp)
 108{
 109    if (obj) {
 110        qobject_unref(*obj);
 111    }
 112}
 113
 114static void qapi_dealloc_free(Visitor *v)
 115{
 116    g_free(container_of(v, QapiDeallocVisitor, visitor));
 117}
 118
 119Visitor *qapi_dealloc_visitor_new(void)
 120{
 121    QapiDeallocVisitor *v;
 122
 123    v = g_malloc0(sizeof(*v));
 124
 125    v->visitor.type = VISITOR_DEALLOC;
 126    v->visitor.start_struct = qapi_dealloc_start_struct;
 127    v->visitor.end_struct = qapi_dealloc_end_struct;
 128    v->visitor.start_alternate = qapi_dealloc_start_alternate;
 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