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 "qapi/visitor-impl.h"
  19
  20struct QapiDeallocVisitor
  21{
  22    Visitor visitor;
  23};
  24
  25static void qapi_dealloc_start_struct(Visitor *v, const char *name, void **obj,
  26                                      size_t unused, Error **errp)
  27{
  28}
  29
  30static void qapi_dealloc_end_struct(Visitor *v, void **obj)
  31{
  32    if (obj) {
  33        g_free(*obj);
  34    }
  35}
  36
  37static void qapi_dealloc_start_alternate(Visitor *v, const char *name,
  38                                         GenericAlternate **obj, size_t size,
  39                                         Error **errp)
  40{
  41}
  42
  43static void qapi_dealloc_end_alternate(Visitor *v, void **obj)
  44{
  45    if (obj) {
  46        g_free(*obj);
  47    }
  48}
  49
  50static void qapi_dealloc_start_list(Visitor *v, const char *name,
  51                                    GenericList **list, size_t size,
  52                                    Error **errp)
  53{
  54}
  55
  56static GenericList *qapi_dealloc_next_list(Visitor *v, GenericList *tail,
  57                                           size_t size)
  58{
  59    GenericList *next = tail->next;
  60    g_free(tail);
  61    return next;
  62}
  63
  64static void qapi_dealloc_end_list(Visitor *v, void **obj)
  65{
  66}
  67
  68static void qapi_dealloc_type_str(Visitor *v, const char *name, char **obj,
  69                                  Error **errp)
  70{
  71    if (obj) {
  72        g_free(*obj);
  73    }
  74}
  75
  76static void qapi_dealloc_type_int64(Visitor *v, const char *name, int64_t *obj,
  77                                    Error **errp)
  78{
  79}
  80
  81static void qapi_dealloc_type_uint64(Visitor *v, const char *name,
  82                                     uint64_t *obj, Error **errp)
  83{
  84}
  85
  86static void qapi_dealloc_type_bool(Visitor *v, const char *name, bool *obj,
  87                                   Error **errp)
  88{
  89}
  90
  91static void qapi_dealloc_type_number(Visitor *v, const char *name, double *obj,
  92                                     Error **errp)
  93{
  94}
  95
  96static void qapi_dealloc_type_anything(Visitor *v, const char *name,
  97                                       QObject **obj, Error **errp)
  98{
  99    if (obj) {
 100        qobject_unref(*obj);
 101    }
 102}
 103
 104static void qapi_dealloc_type_null(Visitor *v, const char *name,
 105                                   QNull **obj, Error **errp)
 106{
 107    if (obj) {
 108        qobject_unref(*obj);
 109    }
 110}
 111
 112static void qapi_dealloc_free(Visitor *v)
 113{
 114    g_free(container_of(v, QapiDeallocVisitor, visitor));
 115}
 116
 117Visitor *qapi_dealloc_visitor_new(void)
 118{
 119    QapiDeallocVisitor *v;
 120
 121    v = g_malloc0(sizeof(*v));
 122
 123    v->visitor.type = VISITOR_DEALLOC;
 124    v->visitor.start_struct = qapi_dealloc_start_struct;
 125    v->visitor.end_struct = qapi_dealloc_end_struct;
 126    v->visitor.start_alternate = qapi_dealloc_start_alternate;
 127    v->visitor.end_alternate = qapi_dealloc_end_alternate;
 128    v->visitor.start_list = qapi_dealloc_start_list;
 129    v->visitor.next_list = qapi_dealloc_next_list;
 130    v->visitor.end_list = qapi_dealloc_end_list;
 131    v->visitor.type_int64 = qapi_dealloc_type_int64;
 132    v->visitor.type_uint64 = qapi_dealloc_type_uint64;
 133    v->visitor.type_bool = qapi_dealloc_type_bool;
 134    v->visitor.type_str = qapi_dealloc_type_str;
 135    v->visitor.type_number = qapi_dealloc_type_number;
 136    v->visitor.type_any = qapi_dealloc_type_anything;
 137    v->visitor.type_null = qapi_dealloc_type_null;
 138    v->visitor.free = qapi_dealloc_free;
 139
 140    return &v->visitor;
 141}
 142