*/
#include "qemu/osdep.h"
+#include "qapi/error.h"
#include "qemu-common.h"
-#include "qapi/qmp/qobject.h"
#include "qapi/qmp/qerror.h"
#include "qapi/visitor.h"
#include "qapi/visitor-impl.h"
+#include "trace.h"
+
+void visit_complete(Visitor *v, void *opaque)
+{
+ assert(v->type != VISITOR_OUTPUT || v->complete);
+ trace_visit_complete(v, opaque);
+ if (v->complete) {
+ v->complete(v, opaque);
+ }
+}
+
+void visit_free(Visitor *v)
+{
+ trace_visit_free(v);
+ if (v) {
+ v->free(v);
+ }
+}
void visit_start_struct(Visitor *v, const char *name, void **obj,
size_t size, Error **errp)
{
- v->start_struct(v, name, obj, size, errp);
+ Error *err = NULL;
+
+ trace_visit_start_struct(v, name, obj, size);
+ if (obj) {
+ assert(size);
+ assert(!(v->type & VISITOR_OUTPUT) || *obj);
+ }
+ v->start_struct(v, name, obj, size, &err);
+ if (obj && (v->type & VISITOR_INPUT)) {
+ assert(!err != !*obj);
+ }
+ error_propagate(errp, err);
}
-void visit_end_struct(Visitor *v, Error **errp)
+void visit_check_struct(Visitor *v, Error **errp)
{
- v->end_struct(v, errp);
+ trace_visit_check_struct(v);
+ if (v->check_struct) {
+ v->check_struct(v, errp);
+ }
}
-void visit_start_list(Visitor *v, const char *name, Error **errp)
+void visit_end_struct(Visitor *v, void **obj)
{
- v->start_list(v, name, errp);
+ trace_visit_end_struct(v, obj);
+ v->end_struct(v, obj);
}
-GenericList *visit_next_list(Visitor *v, GenericList **list, size_t size)
+void visit_start_list(Visitor *v, const char *name, GenericList **list,
+ size_t size, Error **errp)
{
- assert(list && size >= sizeof(GenericList));
- return v->next_list(v, list, size);
+ Error *err = NULL;
+
+ assert(!list || size >= sizeof(GenericList));
+ trace_visit_start_list(v, name, list, size);
+ v->start_list(v, name, list, size, &err);
+ if (list && (v->type & VISITOR_INPUT)) {
+ assert(!(err && *list));
+ }
+ error_propagate(errp, err);
+}
+
+GenericList *visit_next_list(Visitor *v, GenericList *tail, size_t size)
+{
+ assert(tail && size >= sizeof(GenericList));
+ trace_visit_next_list(v, tail, size);
+ return v->next_list(v, tail, size);
+}
+
+void visit_check_list(Visitor *v, Error **errp)
+{
+ trace_visit_check_list(v);
+ if (v->check_list) {
+ v->check_list(v, errp);
+ }
}
-void visit_end_list(Visitor *v)
+void visit_end_list(Visitor *v, void **obj)
{
- v->end_list(v);
+ trace_visit_end_list(v, obj);
+ v->end_list(v, obj);
}
void visit_start_alternate(Visitor *v, const char *name,
GenericAlternate **obj, size_t size,
- bool promote_int, Error **errp)
+ Error **errp)
{
+ Error *err = NULL;
+
assert(obj && size >= sizeof(GenericAlternate));
+ assert(!(v->type & VISITOR_OUTPUT) || *obj);
+ trace_visit_start_alternate(v, name, obj, size);
if (v->start_alternate) {
- v->start_alternate(v, name, obj, size, promote_int, errp);
+ v->start_alternate(v, name, obj, size, &err);
+ }
+ if (v->type & VISITOR_INPUT) {
+ assert(v->start_alternate && !err != !*obj);
}
+ error_propagate(errp, err);
}
-void visit_end_alternate(Visitor *v)
+void visit_end_alternate(Visitor *v, void **obj)
{
+ trace_visit_end_alternate(v, obj);
if (v->end_alternate) {
- v->end_alternate(v);
+ v->end_alternate(v, obj);
}
}
bool visit_optional(Visitor *v, const char *name, bool *present)
{
+ trace_visit_optional(v, name, present);
if (v->optional) {
v->optional(v, name, present);
}
return *present;
}
-void visit_type_enum(Visitor *v, const char *name, int *obj,
- const char *const strings[], Error **errp)
+bool visit_is_input(Visitor *v)
{
- v->type_enum(v, name, obj, strings, errp);
+ return v->type == VISITOR_INPUT;
}
void visit_type_int(Visitor *v, const char *name, int64_t *obj, Error **errp)
{
+ assert(obj);
+ trace_visit_type_int(v, name, obj);
v->type_int64(v, name, obj, errp);
}
void visit_type_uint8(Visitor *v, const char *name, uint8_t *obj,
Error **errp)
{
- uint64_t value = *obj;
+ uint64_t value;
+
+ trace_visit_type_uint8(v, name, obj);
+ value = *obj;
visit_type_uintN(v, &value, name, UINT8_MAX, "uint8_t", errp);
*obj = value;
}
void visit_type_uint16(Visitor *v, const char *name, uint16_t *obj,
Error **errp)
{
- uint64_t value = *obj;
+ uint64_t value;
+
+ trace_visit_type_uint16(v, name, obj);
+ value = *obj;
visit_type_uintN(v, &value, name, UINT16_MAX, "uint16_t", errp);
*obj = value;
}
void visit_type_uint32(Visitor *v, const char *name, uint32_t *obj,
Error **errp)
{
- uint64_t value = *obj;
+ uint64_t value;
+
+ trace_visit_type_uint32(v, name, obj);
+ value = *obj;
visit_type_uintN(v, &value, name, UINT32_MAX, "uint32_t", errp);
*obj = value;
}
void visit_type_uint64(Visitor *v, const char *name, uint64_t *obj,
Error **errp)
{
+ assert(obj);
+ trace_visit_type_uint64(v, name, obj);
v->type_uint64(v, name, obj, errp);
}
void visit_type_int8(Visitor *v, const char *name, int8_t *obj, Error **errp)
{
- int64_t value = *obj;
+ int64_t value;
+
+ trace_visit_type_int8(v, name, obj);
+ value = *obj;
visit_type_intN(v, &value, name, INT8_MIN, INT8_MAX, "int8_t", errp);
*obj = value;
}
void visit_type_int16(Visitor *v, const char *name, int16_t *obj,
Error **errp)
{
- int64_t value = *obj;
+ int64_t value;
+
+ trace_visit_type_int16(v, name, obj);
+ value = *obj;
visit_type_intN(v, &value, name, INT16_MIN, INT16_MAX, "int16_t", errp);
*obj = value;
}
void visit_type_int32(Visitor *v, const char *name, int32_t *obj,
Error **errp)
{
- int64_t value = *obj;
+ int64_t value;
+
+ trace_visit_type_int32(v, name, obj);
+ value = *obj;
visit_type_intN(v, &value, name, INT32_MIN, INT32_MAX, "int32_t", errp);
*obj = value;
}
void visit_type_int64(Visitor *v, const char *name, int64_t *obj,
Error **errp)
{
+ assert(obj);
+ trace_visit_type_int64(v, name, obj);
v->type_int64(v, name, obj, errp);
}
void visit_type_size(Visitor *v, const char *name, uint64_t *obj,
Error **errp)
{
+ assert(obj);
+ trace_visit_type_size(v, name, obj);
if (v->type_size) {
v->type_size(v, name, obj, errp);
} else {
void visit_type_bool(Visitor *v, const char *name, bool *obj, Error **errp)
{
+ assert(obj);
+ trace_visit_type_bool(v, name, obj);
v->type_bool(v, name, obj, errp);
}
void visit_type_str(Visitor *v, const char *name, char **obj, Error **errp)
{
- v->type_str(v, name, obj, errp);
+ Error *err = NULL;
+
+ assert(obj);
+ /* TODO: Fix callers to not pass NULL when they mean "", so that we
+ * can enable:
+ assert(!(v->type & VISITOR_OUTPUT) || *obj);
+ */
+ trace_visit_type_str(v, name, obj);
+ v->type_str(v, name, obj, &err);
+ if (v->type & VISITOR_INPUT) {
+ assert(!err != !*obj);
+ }
+ error_propagate(errp, err);
}
void visit_type_number(Visitor *v, const char *name, double *obj,
Error **errp)
{
+ assert(obj);
+ trace_visit_type_number(v, name, obj);
v->type_number(v, name, obj, errp);
}
void visit_type_any(Visitor *v, const char *name, QObject **obj, Error **errp)
{
- v->type_any(v, name, obj, errp);
+ Error *err = NULL;
+
+ assert(obj);
+ assert(v->type != VISITOR_OUTPUT || *obj);
+ trace_visit_type_any(v, name, obj);
+ v->type_any(v, name, obj, &err);
+ if (v->type == VISITOR_INPUT) {
+ assert(!err != !*obj);
+ }
+ error_propagate(errp, err);
+}
+
+void visit_type_null(Visitor *v, const char *name, QNull **obj,
+ Error **errp)
+{
+ trace_visit_type_null(v, name, obj);
+ v->type_null(v, name, obj, errp);
}
-void output_type_enum(Visitor *v, const char *name, int *obj,
- const char *const strings[], Error **errp)
+static void output_type_enum(Visitor *v, const char *name, int *obj,
+ const QEnumLookup *lookup, Error **errp)
{
- int i = 0;
int value = *obj;
char *enum_str;
- assert(strings);
- while (strings[i++] != NULL);
- if (value < 0 || value >= i - 1) {
+ /*
+ * TODO why is this an error, not an assertion? If assertion:
+ * delete, and rely on qapi_enum_lookup()
+ */
+ if (value < 0 || value >= lookup->size) {
error_setg(errp, QERR_INVALID_PARAMETER, name ? name : "null");
return;
}
- enum_str = (char *)strings[value];
+ enum_str = (char *)qapi_enum_lookup(lookup, value);
visit_type_str(v, name, &enum_str, errp);
}
-void input_type_enum(Visitor *v, const char *name, int *obj,
- const char *const strings[], Error **errp)
+static void input_type_enum(Visitor *v, const char *name, int *obj,
+ const QEnumLookup *lookup, Error **errp)
{
Error *local_err = NULL;
- int64_t value = 0;
+ int64_t value;
char *enum_str;
- assert(strings);
-
visit_type_str(v, name, &enum_str, &local_err);
if (local_err) {
error_propagate(errp, local_err);
return;
}
- while (strings[value] != NULL) {
- if (strcmp(strings[value], enum_str) == 0) {
- break;
- }
- value++;
- }
-
- if (strings[value] == NULL) {
+ value = qapi_enum_parse(lookup, enum_str, -1, NULL);
+ if (value < 0) {
error_setg(errp, QERR_INVALID_PARAMETER, enum_str);
g_free(enum_str);
return;
g_free(enum_str);
*obj = value;
}
+
+void visit_type_enum(Visitor *v, const char *name, int *obj,
+ const QEnumLookup *lookup, Error **errp)
+{
+ assert(obj && lookup);
+ trace_visit_type_enum(v, name, obj);
+ switch (v->type) {
+ case VISITOR_INPUT:
+ input_type_enum(v, name, obj, lookup, errp);
+ break;
+ case VISITOR_OUTPUT:
+ output_type_enum(v, name, obj, lookup, errp);
+ break;
+ case VISITOR_CLONE:
+ /* nothing further to do, scalar value was already copied by
+ * g_memdup() during visit_start_*() */
+ break;
+ case VISITOR_DEALLOC:
+ /* nothing to deallocate for a scalar */
+ break;
+ }
+}