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/*
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 * Dealloc Visitor
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 *
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 * Copyright IBM, Corp. 2011
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 *
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 * Authors:
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 *  Michael Roth   <mdroth@linux.vnet.ibm.com>
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 *
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 * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
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 * See the COPYING.LIB file in the top-level directory.
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 *
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 */
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#include "qapi-dealloc-visitor.h"
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#include "qemu-queue.h"
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#include "qemu-common.h"
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#include "qemu-objects.h"
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typedef struct StackEntry
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{
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    void *value;
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    QTAILQ_ENTRY(StackEntry) node;
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} StackEntry;
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struct QapiDeallocVisitor
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{
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    Visitor visitor;
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    QTAILQ_HEAD(, StackEntry) stack;
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};
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static QapiDeallocVisitor *to_qov(Visitor *v)
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{
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    return container_of(v, QapiDeallocVisitor, visitor);
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}
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static void qapi_dealloc_push(QapiDeallocVisitor *qov, void *value)
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{
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    StackEntry *e = g_malloc0(sizeof(*e));
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    e->value = value;
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    QTAILQ_INSERT_HEAD(&qov->stack, e, node);
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}
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static void *qapi_dealloc_pop(QapiDeallocVisitor *qov)
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{
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    StackEntry *e = QTAILQ_FIRST(&qov->stack);
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    QObject *value;
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    QTAILQ_REMOVE(&qov->stack, e, node);
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    value = e->value;
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    g_free(e);
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    return value;
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}
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static void qapi_dealloc_start_struct(Visitor *v, void **obj, const char *kind,
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                                      const char *name, size_t unused,
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                                      Error **errp)
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{
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    QapiDeallocVisitor *qov = to_qov(v);
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    qapi_dealloc_push(qov, obj);
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}
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static void qapi_dealloc_end_struct(Visitor *v, Error **errp)
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{
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    QapiDeallocVisitor *qov = to_qov(v);
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    void **obj = qapi_dealloc_pop(qov);
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    if (obj) {
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        g_free(*obj);
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    }
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}
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static void qapi_dealloc_start_list(Visitor *v, const char *name, Error **errp)
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{
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}
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static GenericList *qapi_dealloc_next_list(Visitor *v, GenericList **list,
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                                           Error **errp)
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{
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    GenericList *retval = *list;
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    g_free(retval->value);
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    *list = retval->next;
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    return retval;
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}
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static void qapi_dealloc_end_list(Visitor *v, Error **errp)
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{
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}
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static void qapi_dealloc_type_str(Visitor *v, char **obj, const char *name,
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                                  Error **errp)
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{
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    if (obj) {
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        g_free(*obj);
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    }
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}
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static void qapi_dealloc_type_int(Visitor *v, int64_t *obj, const char *name,
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                                  Error **errp)
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{
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}
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static void qapi_dealloc_type_bool(Visitor *v, bool *obj, const char *name,
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                                   Error **errp)
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{
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}
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static void qapi_dealloc_type_number(Visitor *v, double *obj, const char *name,
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                                     Error **errp)
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{
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}
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static void qapi_dealloc_type_enum(Visitor *v, int *obj, const char *strings[],
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                                   const char *kind, const char *name,
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                                   Error **errp)
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{
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}
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Visitor *qapi_dealloc_get_visitor(QapiDeallocVisitor *v)
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{
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    return &v->visitor;
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}
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void qapi_dealloc_visitor_cleanup(QapiDeallocVisitor *v)
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{
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    g_free(v);
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}
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QapiDeallocVisitor *qapi_dealloc_visitor_new(void)
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{
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    QapiDeallocVisitor *v;
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    v = g_malloc0(sizeof(*v));
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    v->visitor.start_struct = qapi_dealloc_start_struct;
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    v->visitor.end_struct = qapi_dealloc_end_struct;
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    v->visitor.start_list = qapi_dealloc_start_list;
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    v->visitor.next_list = qapi_dealloc_next_list;
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    v->visitor.end_list = qapi_dealloc_end_list;
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    v->visitor.type_enum = qapi_dealloc_type_enum;
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    v->visitor.type_int = qapi_dealloc_type_int;
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    v->visitor.type_bool = qapi_dealloc_type_bool;
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    v->visitor.type_str = qapi_dealloc_type_str;
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    v->visitor.type_number = qapi_dealloc_type_number;
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    QTAILQ_INIT(&v->stack);
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    return v;
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}