+ struct bt_list_head siblings;
+ struct bt_list_head tmp_head;
+ struct bt_list_head gc;
+
+ enum node_type type;
+ union {
+ struct {
+ } unknown;
+ struct {
+ /*
+ * Children nodes are ctf_expression, typedef,
+ * typealias and type_specifier_list.
+ */
+ struct bt_list_head declaration_list;
+ struct bt_list_head trace;
+ struct bt_list_head env;
+ struct bt_list_head stream;
+ struct bt_list_head event;
+ struct bt_list_head clock;
+ } root;
+ struct {
+ /*
+ * Children nodes are ctf_expression, typedef,
+ * typealias and type_specifier_list.
+ */
+ struct bt_list_head declaration_list;
+ } event;
+ struct {
+ /*
+ * Children nodes are ctf_expression, typedef,
+ * typealias and type_specifier_list.
+ */
+ struct bt_list_head declaration_list;
+ } stream;
+ struct {
+ /*
+ * Children nodes are ctf_expression, typedef,
+ * typealias and type_specifier_list.
+ */
+ struct bt_list_head declaration_list;
+ } env;
+ struct {
+ /*
+ * Children nodes are ctf_expression, typedef,
+ * typealias and type_specifier_list.
+ */
+ struct bt_list_head declaration_list;
+ } trace;
+ struct {
+ /*
+ * Children nodes are ctf_expression, typedef,
+ * typealias and type_specifier_list.
+ */
+ struct bt_list_head declaration_list;
+ } clock;
+ struct {
+ struct bt_list_head left; /* Should be string */
+ struct bt_list_head right; /* Unary exp. or type */
+ } ctf_expression;
+ struct {
+ enum {
+ UNARY_UNKNOWN = 0,
+ UNARY_STRING,
+ UNARY_SIGNED_CONSTANT,
+ UNARY_UNSIGNED_CONSTANT,
+ UNARY_SBRAC,
+ UNARY_NESTED,
+ } type;
+ union {
+ /*
+ * string for identifier, id_type, keywords,
+ * string literals and character constants.
+ */
+ char *string;
+ int64_t signed_constant;
+ uint64_t unsigned_constant;
+ struct ctf_node *sbrac_exp;
+ struct ctf_node *nested_exp;
+ } u;
+ enum {
+ UNARY_LINK_UNKNOWN = 0,
+ UNARY_DOTLINK,
+ UNARY_ARROWLINK,
+ UNARY_DOTDOTDOT,
+ } link;
+ } unary_expression;
+ struct {
+ struct ctf_node *type_specifier_list;
+ struct bt_list_head type_declarators;
+ } _typedef;
+ /* new type is "alias", existing type "target" */
+ struct {
+ struct ctf_node *type_specifier_list;
+ struct bt_list_head type_declarators;
+ } typealias_target;
+ struct {
+ struct ctf_node *type_specifier_list;
+ struct bt_list_head type_declarators;
+ } typealias_alias;
+ struct {
+ struct ctf_node *target;
+ struct ctf_node *alias;
+ } typealias;
+ struct {
+ enum {
+ TYPESPEC_UNKNOWN = 0,
+ TYPESPEC_VOID,
+ TYPESPEC_CHAR,
+ TYPESPEC_SHORT,
+ TYPESPEC_INT,
+ TYPESPEC_LONG,
+ TYPESPEC_FLOAT,
+ TYPESPEC_DOUBLE,
+ TYPESPEC_SIGNED,
+ TYPESPEC_UNSIGNED,
+ TYPESPEC_BOOL,
+ TYPESPEC_COMPLEX,
+ TYPESPEC_IMAGINARY,
+ TYPESPEC_CONST,
+ TYPESPEC_ID_TYPE,
+ TYPESPEC_FLOATING_POINT,
+ TYPESPEC_INTEGER,
+ TYPESPEC_STRING,
+ TYPESPEC_STRUCT,
+ TYPESPEC_VARIANT,
+ TYPESPEC_ENUM,
+ } type;
+ /* For struct, variant and enum */
+ struct ctf_node *node;
+ const char *id_type;
+ } type_specifier;
+ struct {
+ /* list of type_specifier */
+ struct bt_list_head head;
+ } type_specifier_list;
+ struct {
+ unsigned int const_qualifier;
+ } pointer;
+ struct {
+ struct bt_list_head pointers;
+ enum {
+ TYPEDEC_UNKNOWN = 0,
+ TYPEDEC_ID, /* identifier */
+ TYPEDEC_NESTED, /* (), array or sequence */
+ } type;
+ union {
+ char *id;
+ struct {
+ /* typedec has no pointer list */
+ struct ctf_node *type_declarator;
+ /*
+ * unary expression (value) or
+ * type_specifier_list.
+ */
+ struct bt_list_head length;
+ /* for abstract type declarator */
+ unsigned int abstract_array;
+ } nested;
+ } u;
+ struct ctf_node *bitfield_len;
+ } type_declarator;
+ struct {
+ /* Children nodes are ctf_expression. */
+ struct bt_list_head expressions;
+ } floating_point;
+ struct {
+ /* Children nodes are ctf_expression. */
+ struct bt_list_head expressions;
+ } integer;
+ struct {
+ /* Children nodes are ctf_expression. */
+ struct bt_list_head expressions;
+ } string;
+ struct {
+ char *id;
+ /*
+ * Range list or single value node. Contains unary
+ * expressions.
+ */
+ struct bt_list_head values;
+ } enumerator;
+ struct {
+ char *enum_id;
+ /*
+ * Either NULL, or points to unary expression or
+ * type_specifier_list.
+ */
+ struct ctf_node *container_type;
+ struct bt_list_head enumerator_list;
+ int has_body;
+ } _enum;
+ struct {
+ struct ctf_node *type_specifier_list;
+ struct bt_list_head type_declarators;
+ } struct_or_variant_declaration;
+ struct {
+ char *name;
+ char *choice;
+ /* list of typedef, typealias and declarations */
+ struct bt_list_head declaration_list;
+ int has_body;
+ } variant;
+ struct {
+ char *name;
+ /* list of typedef, typealias and declarations */
+ struct bt_list_head declaration_list;
+ int has_body;
+ struct bt_list_head min_align; /* align() attribute */
+ } _struct;
+ } u;