4 * Copyright IBM, Corp. 2011
7 * Michael Roth <mdroth@linux.vnet.ibm.com>
9 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
10 * See the COPYING.LIB file in the top-level directory.
14 #include "qapi-dealloc-visitor.h"
15 #include "qemu-queue.h"
16 #include "qemu-common.h"
17 #include "qemu-objects.h"
19 typedef struct StackEntry
23 QTAILQ_ENTRY(StackEntry) node;
26 struct QapiDeallocVisitor
29 QTAILQ_HEAD(, StackEntry) stack;
33 static QapiDeallocVisitor *to_qov(Visitor *v)
35 return container_of(v, QapiDeallocVisitor, visitor);
38 static void qapi_dealloc_push(QapiDeallocVisitor *qov, void *value)
40 StackEntry *e = g_malloc0(sizeof(*e));
44 /* see if we're just pushing a list head tracker */
46 e->is_list_head = true;
48 QTAILQ_INSERT_HEAD(&qov->stack, e, node);
51 static void *qapi_dealloc_pop(QapiDeallocVisitor *qov)
53 StackEntry *e = QTAILQ_FIRST(&qov->stack);
55 QTAILQ_REMOVE(&qov->stack, e, node);
61 static void qapi_dealloc_start_struct(Visitor *v, void **obj, const char *kind,
62 const char *name, size_t unused,
65 QapiDeallocVisitor *qov = to_qov(v);
66 qapi_dealloc_push(qov, obj);
69 static void qapi_dealloc_end_struct(Visitor *v, Error **errp)
71 QapiDeallocVisitor *qov = to_qov(v);
72 void **obj = qapi_dealloc_pop(qov);
78 static void qapi_dealloc_start_list(Visitor *v, const char *name, Error **errp)
80 QapiDeallocVisitor *qov = to_qov(v);
81 qapi_dealloc_push(qov, NULL);
84 static GenericList *qapi_dealloc_next_list(Visitor *v, GenericList **listp,
87 GenericList *list = *listp;
88 QapiDeallocVisitor *qov = to_qov(v);
89 StackEntry *e = QTAILQ_FIRST(&qov->stack);
91 if (e && e->is_list_head) {
92 e->is_list_head = false;
105 static void qapi_dealloc_end_list(Visitor *v, Error **errp)
107 QapiDeallocVisitor *qov = to_qov(v);
108 void *obj = qapi_dealloc_pop(qov);
109 assert(obj == NULL); /* should've been list head tracker with no payload */
112 static void qapi_dealloc_type_str(Visitor *v, char **obj, const char *name,
120 static void qapi_dealloc_type_int(Visitor *v, int64_t *obj, const char *name,
125 static void qapi_dealloc_type_bool(Visitor *v, bool *obj, const char *name,
130 static void qapi_dealloc_type_number(Visitor *v, double *obj, const char *name,
135 static void qapi_dealloc_type_size(Visitor *v, uint64_t *obj, const char *name,
140 static void qapi_dealloc_type_enum(Visitor *v, int *obj, const char *strings[],
141 const char *kind, const char *name,
146 Visitor *qapi_dealloc_get_visitor(QapiDeallocVisitor *v)
151 void qapi_dealloc_visitor_cleanup(QapiDeallocVisitor *v)
156 QapiDeallocVisitor *qapi_dealloc_visitor_new(void)
158 QapiDeallocVisitor *v;
160 v = g_malloc0(sizeof(*v));
162 v->visitor.start_struct = qapi_dealloc_start_struct;
163 v->visitor.end_struct = qapi_dealloc_end_struct;
164 v->visitor.start_list = qapi_dealloc_start_list;
165 v->visitor.next_list = qapi_dealloc_next_list;
166 v->visitor.end_list = qapi_dealloc_end_list;
167 v->visitor.type_enum = qapi_dealloc_type_enum;
168 v->visitor.type_int = qapi_dealloc_type_int;
169 v->visitor.type_bool = qapi_dealloc_type_bool;
170 v->visitor.type_str = qapi_dealloc_type_str;
171 v->visitor.type_number = qapi_dealloc_type_number;
172 v->visitor.type_size = qapi_dealloc_type_size;
174 QTAILQ_INIT(&v->stack);