BT_ASSERT(tgt_fc);
BT_ASSERT(fp_item);
+ if (bt_field_path_item_get_type(fp_item) ==
+ BT_FIELD_PATH_ITEM_TYPE_CURRENT_OPTION_CONTENT) {
+ /* Not supported by CTF 1.8 */
+ ret = -1;
+ goto end;
+ }
+
switch (tgt_fc->type) {
case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT:
BT_ASSERT(bt_field_path_item_get_type(fp_item) ==
fs_sink_ctf_field_class_struct_append_member((void *) parent_fc,
cur_path_stack_top(ctx)->name->str, fc);
break;
+ case FS_SINK_CTF_FIELD_CLASS_TYPE_OPTION:
+ {
+ struct fs_sink_ctf_field_class_option *opt_fc =
+ (void *) parent_fc;
+
+ BT_ASSERT(!opt_fc->content_fc);
+ opt_fc->content_fc = fc;
+ opt_fc->base.alignment = fc->alignment;
+ break;
+ }
case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT:
fs_sink_ctf_field_class_variant_append_option((void *) parent_fc,
cur_path_stack_top(ctx)->name->str, fc);
return ret;
}
+static inline
+int translate_option_field_class(struct ctx *ctx)
+{
+ struct fs_sink_ctf_field_class_option *fc =
+ fs_sink_ctf_field_class_option_create_empty(
+ cur_path_stack_top(ctx)->ir_fc,
+ cur_path_stack_top(ctx)->index_in_parent);
+ const bt_field_class *content_ir_fc =
+ bt_field_class_option_borrow_field_class_const(fc->base.ir_fc);
+ int ret;
+
+ BT_ASSERT(fc);
+
+ /*
+ * CTF 1.8 does not support the option field class type. To
+ * write something anyway, this component translates this type
+ * to a variant field class where the options are:
+ *
+ * * An empty structure field class.
+ * * The optional field class itself.
+ *
+ * The "tag" is always generated/before in that case (an 8-bit
+ * unsigned enumeration field class).
+ */
+ append_to_parent_field_class(ctx, (void *) fc);
+ ret = cur_path_stack_push(ctx, UINT64_C(-1), NULL, false, content_ir_fc,
+ (void *) fc);
+ if (ret) {
+ BT_COMP_LOGE_STR("Cannot translate option field class content.");
+ goto end;
+ }
+
+ ret = translate_field_class(ctx);
+ if (ret) {
+ BT_COMP_LOGE_STR("Cannot translate option field class content.");
+ goto end;
+ }
+
+ cur_path_stack_pop(ctx);
+ update_parent_field_class_alignment(ctx, fc->base.alignment);
+
+end:
+ return ret;
+}
+
static inline
int translate_variant_field_class(struct ctx *ctx)
{
case BT_FIELD_CLASS_TYPE_DYNAMIC_ARRAY:
ret = translate_dynamic_array_field_class(ctx);
break;
+ case BT_FIELD_CLASS_TYPE_OPTION:
+ ret = translate_option_field_class(ctx);
+ break;
case BT_FIELD_CLASS_TYPE_VARIANT_WITHOUT_SELECTOR:
case BT_FIELD_CLASS_TYPE_VARIANT_WITH_UNSIGNED_SELECTOR:
case BT_FIELD_CLASS_TYPE_VARIANT_WITH_SIGNED_SELECTOR:
}
switch (fc->type) {
+ case FS_SINK_CTF_FIELD_CLASS_TYPE_OPTION:
+ {
+ /*
+ * CTF 1.8 does not support the option field class type.
+ * To write something anyway, this component translates
+ * this type to a variant field class where the options
+ * are:
+ *
+ * * An empty structure field class.
+ * * The optional field class itself.
+ *
+ * Because the option field class becomes a CTF variant
+ * field class, we use the term "tag" too here.
+ *
+ * The "tag" is always generated/before in that case (an
+ * 8-bit unsigned enumeration field class).
+ */
+ struct fs_sink_ctf_field_class_option *opt_fc = (void *) fc;
+
+ field_ref = opt_fc->tag_ref;
+ is_before = true;
+ tgt_type = "tag";
+ break;
+ }
case FS_SINK_CTF_FIELD_CLASS_TYPE_SEQUENCE:
{
struct fs_sink_ctf_field_class_sequence *seq_fc = (void *) fc;
fc_type = fc->type;
switch (fc_type) {
+ case FS_SINK_CTF_FIELD_CLASS_TYPE_OPTION:
+ {
+ struct fs_sink_ctf_field_class_option *opt_fc = (void *) fc;
+
+ ret = set_field_ref(fc, fc_name, parent_fc);
+ if (ret) {
+ goto end;
+ }
+
+ ret = set_field_refs(opt_fc->content_fc, NULL, fc);
+ if (ret) {
+ goto end;
+ }
+
+ break;
+ }
case FS_SINK_CTF_FIELD_CLASS_TYPE_STRUCT:
case FS_SINK_CTF_FIELD_CLASS_TYPE_VARIANT:
{