diff options
| -rw-r--r-- | Makefile.objs | 2 | ||||
| -rw-r--r-- | qapi/qapi-dealloc-visitor.c | 147 | ||||
| -rw-r--r-- | qapi/qapi-dealloc-visitor.h | 26 |
3 files changed, 174 insertions, 1 deletions
diff --git a/Makefile.objs b/Makefile.objs index 301d56576c..92c7b56512 100644 --- a/Makefile.objs +++ b/Makefile.objs @@ -375,7 +375,7 @@ libcacard-y = cac.o event.o vcard.o vreader.o vcard_emul_nss.o vcard_emul_type.o ###################################################################### # qapi -qapi-nested-y = qapi-visit-core.o qmp-input-visitor.o qmp-output-visitor.o +qapi-nested-y = qapi-visit-core.o qmp-input-visitor.o qmp-output-visitor.o qapi-dealloc-visitor.o qapi-obj-y = $(addprefix qapi/, $(qapi-nested-y)) vl.o: QEMU_CFLAGS+=$(GPROF_CFLAGS) diff --git a/qapi/qapi-dealloc-visitor.c b/qapi/qapi-dealloc-visitor.c new file mode 100644 index 0000000000..8cde4dd0d4 --- /dev/null +++ b/qapi/qapi-dealloc-visitor.c @@ -0,0 +1,147 @@ +/* + * Dealloc Visitor + * + * Copyright IBM, Corp. 2011 + * + * Authors: + * Michael Roth <mdroth@linux.vnet.ibm.com> + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. + * See the COPYING.LIB file in the top-level directory. + * + */ + +#include "qapi-dealloc-visitor.h" +#include "qemu-queue.h" +#include "qemu-common.h" +#include "qemu-objects.h" + +typedef struct StackEntry +{ + void *value; + QTAILQ_ENTRY(StackEntry) node; +} StackEntry; + +struct QapiDeallocVisitor +{ + Visitor visitor; + QTAILQ_HEAD(, StackEntry) stack; +}; + +static QapiDeallocVisitor *to_qov(Visitor *v) +{ + return container_of(v, QapiDeallocVisitor, visitor); +} + +static void qapi_dealloc_push(QapiDeallocVisitor *qov, void *value) +{ + StackEntry *e = qemu_mallocz(sizeof(*e)); + + e->value = value; + QTAILQ_INSERT_HEAD(&qov->stack, e, node); +} + +static void *qapi_dealloc_pop(QapiDeallocVisitor *qov) +{ + StackEntry *e = QTAILQ_FIRST(&qov->stack); + QObject *value; + QTAILQ_REMOVE(&qov->stack, e, node); + value = e->value; + qemu_free(e); + return value; +} + +static void qapi_dealloc_start_struct(Visitor *v, void **obj, const char *kind, + const char *name, size_t unused, + Error **errp) +{ + QapiDeallocVisitor *qov = to_qov(v); + qapi_dealloc_push(qov, obj); +} + +static void qapi_dealloc_end_struct(Visitor *v, Error **errp) +{ + QapiDeallocVisitor *qov = to_qov(v); + void **obj = qapi_dealloc_pop(qov); + if (obj) { + qemu_free(*obj); + } +} + +static void qapi_dealloc_start_list(Visitor *v, const char *name, Error **errp) +{ +} + +static GenericList *qapi_dealloc_next_list(Visitor *v, GenericList **list, + Error **errp) +{ + GenericList *retval = *list; + qemu_free(retval->value); + *list = retval->next; + return retval; +} + +static void qapi_dealloc_end_list(Visitor *v, Error **errp) +{ +} + +static void qapi_dealloc_type_str(Visitor *v, char **obj, const char *name, + Error **errp) +{ + if (obj) { + qemu_free(*obj); + } +} + +static void qapi_dealloc_type_int(Visitor *v, int64_t *obj, const char *name, + Error **errp) +{ +} + +static void qapi_dealloc_type_bool(Visitor *v, bool *obj, const char *name, + Error **errp) +{ +} + +static void qapi_dealloc_type_number(Visitor *v, double *obj, const char *name, + Error **errp) +{ +} + +static void qapi_dealloc_type_enum(Visitor *v, int *obj, const char *strings[], + const char *kind, const char *name, + Error **errp) +{ +} + +Visitor *qapi_dealloc_get_visitor(QapiDeallocVisitor *v) +{ + return &v->visitor; +} + +void qapi_dealloc_visitor_cleanup(QapiDeallocVisitor *v) +{ + qemu_free(v); +} + +QapiDeallocVisitor *qapi_dealloc_visitor_new(void) +{ + QapiDeallocVisitor *v; + + v = qemu_mallocz(sizeof(*v)); + + v->visitor.start_struct = qapi_dealloc_start_struct; + v->visitor.end_struct = qapi_dealloc_end_struct; + v->visitor.start_list = qapi_dealloc_start_list; + v->visitor.next_list = qapi_dealloc_next_list; + v->visitor.end_list = qapi_dealloc_end_list; + v->visitor.type_enum = qapi_dealloc_type_enum; + v->visitor.type_int = qapi_dealloc_type_int; + v->visitor.type_bool = qapi_dealloc_type_bool; + v->visitor.type_str = qapi_dealloc_type_str; + v->visitor.type_number = qapi_dealloc_type_number; + + QTAILQ_INIT(&v->stack); + + return v; +} diff --git a/qapi/qapi-dealloc-visitor.h b/qapi/qapi-dealloc-visitor.h new file mode 100644 index 0000000000..5842bc79bd --- /dev/null +++ b/qapi/qapi-dealloc-visitor.h @@ -0,0 +1,26 @@ +/* + * Dealloc Visitor + * + * Copyright IBM, Corp. 2011 + * + * Authors: + * Michael Roth <mdroth@linux.vnet.ibm.com> + * + * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. + * See the COPYING.LIB file in the top-level directory. + * + */ + +#ifndef QAPI_DEALLOC_VISITOR_H +#define QAPI_DEALLOC_VISITOR_H + +#include "qapi-visit-core.h" + +typedef struct QapiDeallocVisitor QapiDeallocVisitor; + +QapiDeallocVisitor *qapi_dealloc_visitor_new(void); +void qapi_dealloc_visitor_cleanup(QapiDeallocVisitor *d); + +Visitor *qapi_dealloc_get_visitor(QapiDeallocVisitor *v); + +#endif |