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 "qapi/visitor-impl.h"
  20
  21struct QapiDeallocVisitor
  22{
  23    Visitor visitor;
  24};
  25
  26static void qapi_dealloc_start_struct(Visitor *v, const char *name, void **obj,
  27                                      size_t unused, Error **errp)
  28{
  29}
  30
  31static void qapi_dealloc_end_struct(Visitor *v, void **obj)
  32{
  33    if (obj) {
  34        g_free(*obj);
  35    }
  36}
  37
  38static void qapi_dealloc_start_alternate(Visitor *v, const char *name,
  39                                         GenericAlternate **obj, size_t size,
  40                                         Error **errp)
  41{
  42}
  43
  44static void qapi_dealloc_end_alternate(Visitor *v, void **obj)
  45{
  46    if (obj) {
  47        g_free(*obj);
  48    }
  49}
  50
  51static void qapi_dealloc_start_list(Visitor *v, const char *name,
  52                                    GenericList **list, size_t size,
  53                                    Error **errp)
  54{
  55}
  56
  57static GenericList *qapi_dealloc_next_list(Visitor *v, GenericList *tail,
  58                                           size_t size)
  59{
  60    GenericList *next = tail->next;
  61    g_free(tail);
  62    return next;
  63}
  64
  65static void qapi_dealloc_end_list(Visitor *v, void **obj)
  66{
  67}
  68
  69static void qapi_dealloc_type_str(Visitor *v, const char *name, char **obj,
  70                                  Error **errp)
  71{
  72    if (obj) {
  73        g_free(*obj);
  74    }
  75}
  76
  77static void qapi_dealloc_type_int64(Visitor *v, const char *name, int64_t *obj,
  78                                    Error **errp)
  79{
  80}
  81
  82static void qapi_dealloc_type_uint64(Visitor *v, const char *name,
  83                                     uint64_t *obj, Error **errp)
  84{
  85}
  86
  87static void qapi_dealloc_type_bool(Visitor *v, const char *name, bool *obj,
  88                                   Error **errp)
  89{
  90}
  91
  92static void qapi_dealloc_type_number(Visitor *v, const char *name, double *obj,
  93                                     Error **errp)
  94{
  95}
  96
  97static void qapi_dealloc_type_anything(Visitor *v, const char *name,
  98                                       QObject **obj, Error **errp)
  99{
 100    if (obj) {
 101        qobject_unref(*obj);
 102    }
 103}
 104
 105static void qapi_dealloc_type_null(Visitor *v, const char *name,
 106                                   QNull **obj, Error **errp)
 107{
 108    if (obj) {
 109        qobject_unref(*obj);
 110    }
 111}
 112
 113static void qapi_dealloc_free(Visitor *v)
 114{
 115    g_free(container_of(v, QapiDeallocVisitor, visitor));
 116}
 117
 118Visitor *qapi_dealloc_visitor_new(void)
 119{
 120    QapiDeallocVisitor *v;
 121
 122    v = g_malloc0(sizeof(*v));
 123
 124    v->visitor.type = VISITOR_DEALLOC;
 125    v->visitor.start_struct = qapi_dealloc_start_struct;
 126    v->visitor.end_struct = qapi_dealloc_end_struct;
 127    v->visitor.start_alternate = qapi_dealloc_start_alternate;
 128    v->visitor.end_alternate = qapi_dealloc_end_alternate;
 129    v->visitor.start_list = qapi_dealloc_start_list;
 130    v->visitor.next_list = qapi_dealloc_next_list;
 131    v->visitor.end_list = qapi_dealloc_end_list;
 132    v->visitor.type_int64 = qapi_dealloc_type_int64;
 133    v->visitor.type_uint64 = qapi_dealloc_type_uint64;
 134    v->visitor.type_bool = qapi_dealloc_type_bool;
 135    v->visitor.type_str = qapi_dealloc_type_str;
 136    v->visitor.type_number = qapi_dealloc_type_number;
 137    v->visitor.type_any = qapi_dealloc_type_anything;
 138    v->visitor.type_null = qapi_dealloc_type_null;
 139    v->visitor.free = qapi_dealloc_free;
 140
 141    return &v->visitor;
 142}
 143