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 "qemu/queue.h" 18 #include "qemu-common.h" 19 #include "qapi/qmp/types.h" 20 #include "qapi/visitor-impl.h" 21 22 struct QapiDeallocVisitor 23 { 24 Visitor visitor; 25 }; 26 27 static void qapi_dealloc_start_struct(Visitor *v, const char *name, void **obj, 28 size_t unused, Error **errp) 29 { 30 } 31 32 static void qapi_dealloc_end_struct(Visitor *v, void **obj) 33 { 34 if (obj) { 35 g_free(*obj); 36 } 37 } 38 39 static void qapi_dealloc_start_alternate(Visitor *v, const char *name, 40 GenericAlternate **obj, size_t size, 41 bool promote_int, Error **errp) 42 { 43 } 44 45 static void qapi_dealloc_end_alternate(Visitor *v, void **obj) 46 { 47 if (obj) { 48 g_free(*obj); 49 } 50 } 51 52 static void qapi_dealloc_start_list(Visitor *v, const char *name, 53 GenericList **list, size_t size, 54 Error **errp) 55 { 56 } 57 58 static 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 66 static void qapi_dealloc_end_list(Visitor *v, void **obj) 67 { 68 } 69 70 static 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 78 static void qapi_dealloc_type_int64(Visitor *v, const char *name, int64_t *obj, 79 Error **errp) 80 { 81 } 82 83 static void qapi_dealloc_type_uint64(Visitor *v, const char *name, 84 uint64_t *obj, Error **errp) 85 { 86 } 87 88 static void qapi_dealloc_type_bool(Visitor *v, const char *name, bool *obj, 89 Error **errp) 90 { 91 } 92 93 static void qapi_dealloc_type_number(Visitor *v, const char *name, double *obj, 94 Error **errp) 95 { 96 } 97 98 static void qapi_dealloc_type_anything(Visitor *v, const char *name, 99 QObject **obj, Error **errp) 100 { 101 if (obj) { 102 qobject_decref(*obj); 103 } 104 } 105 106 static void qapi_dealloc_type_null(Visitor *v, const char *name, Error **errp) 107 { 108 } 109 110 static void qapi_dealloc_free(Visitor *v) 111 { 112 g_free(container_of(v, QapiDeallocVisitor, visitor)); 113 } 114 115 Visitor *qapi_dealloc_visitor_new(void) 116 { 117 QapiDeallocVisitor *v; 118 119 v = g_malloc0(sizeof(*v)); 120 121 v->visitor.type = VISITOR_DEALLOC; 122 v->visitor.start_struct = qapi_dealloc_start_struct; 123 v->visitor.end_struct = qapi_dealloc_end_struct; 124 v->visitor.start_alternate = qapi_dealloc_start_alternate; 125 v->visitor.end_alternate = qapi_dealloc_end_alternate; 126 v->visitor.start_list = qapi_dealloc_start_list; 127 v->visitor.next_list = qapi_dealloc_next_list; 128 v->visitor.end_list = qapi_dealloc_end_list; 129 v->visitor.type_int64 = qapi_dealloc_type_int64; 130 v->visitor.type_uint64 = qapi_dealloc_type_uint64; 131 v->visitor.type_bool = qapi_dealloc_type_bool; 132 v->visitor.type_str = qapi_dealloc_type_str; 133 v->visitor.type_number = qapi_dealloc_type_number; 134 v->visitor.type_any = qapi_dealloc_type_anything; 135 v->visitor.type_null = qapi_dealloc_type_null; 136 v->visitor.free = qapi_dealloc_free; 137 138 return &v->visitor; 139 } 140