io struct generation debugging ongoing
[babeltrace.git] / formats / ctf / metadata / ctf-parser.y
index cdcfdcdbb818630ccadec1c3990318db8b73ab61..437242bd52657798647005180427a1d9dd18d6a8 100644 (file)
@@ -76,6 +76,7 @@ static const char *node_type_to_str[] = {
        [ NODE_TYPEALIAS_ALIAS ] = "NODE_TYPEALIAS_ALIAS",
        [ NODE_TYPEALIAS ] = "NODE_TYPEALIAS",
        [ NODE_TYPE_SPECIFIER ] = "NODE_TYPE_SPECIFIER",
+       [ NODE_TYPE_SPECIFIER_LIST ] = "NODE_TYPE_SPECIFIER_LIST",
        [ NODE_POINTER ] = "NODE_POINTER",
        [ NODE_TYPE_DECLARATOR ] = "NODE_TYPE_DECLARATOR",
        [ NODE_FLOATING_POINT ] = "NODE_FLOATING_POINT",
@@ -257,15 +258,12 @@ static struct ctf_node *make_node(struct ctf_scanner *scanner,
                break;
 
        case NODE_TYPEDEF:
-               CDS_INIT_LIST_HEAD(&node->u._typedef.declaration_specifier);
                CDS_INIT_LIST_HEAD(&node->u._typedef.type_declarators);
                break;
        case NODE_TYPEALIAS_TARGET:
-               CDS_INIT_LIST_HEAD(&node->u.typealias_target.declaration_specifier);
                CDS_INIT_LIST_HEAD(&node->u.typealias_target.type_declarators);
                break;
        case NODE_TYPEALIAS_ALIAS:
-               CDS_INIT_LIST_HEAD(&node->u.typealias_alias.declaration_specifier);
                CDS_INIT_LIST_HEAD(&node->u.typealias_alias.type_declarators);
                break;
        case NODE_TYPEALIAS:
@@ -273,6 +271,9 @@ static struct ctf_node *make_node(struct ctf_scanner *scanner,
 
        case NODE_TYPE_SPECIFIER:
                break;
+       case NODE_TYPE_SPECIFIER_LIST:
+               CDS_INIT_LIST_HEAD(&node->u.type_specifier_list.head);
+               break;
        case NODE_POINTER:
                break;
        case NODE_TYPE_DECLARATOR:
@@ -292,11 +293,9 @@ static struct ctf_node *make_node(struct ctf_scanner *scanner,
                CDS_INIT_LIST_HEAD(&node->u.enumerator.values);
                break;
        case NODE_ENUM:
-               CDS_INIT_LIST_HEAD(&node->u._enum.container_type);
                CDS_INIT_LIST_HEAD(&node->u._enum.enumerator_list);
                break;
        case NODE_STRUCT_OR_VARIANT_DECLARATION:
-               CDS_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.declaration_specifier);
                CDS_INIT_LIST_HEAD(&node->u.struct_or_variant_declaration.type_declarators);
                break;
        case NODE_VARIANT:
@@ -346,6 +345,7 @@ static int reparent_ctf_expression(struct ctf_node *node,
        case NODE_TYPEALIAS_ALIAS:
        case NODE_TYPEALIAS:
        case NODE_TYPE_SPECIFIER:
+       case NODE_TYPE_SPECIFIER_LIST:
        case NODE_POINTER:
        case NODE_TYPE_DECLARATOR:
        case NODE_ENUMERATOR:
@@ -369,7 +369,7 @@ static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
 {
        switch (parent->type) {
        case NODE_ROOT:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.root._typedef);
+               _cds_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
                break;
        case NODE_EVENT:
                _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
@@ -396,6 +396,7 @@ static int reparent_typedef(struct ctf_node *node, struct ctf_node *parent)
        case NODE_TYPEALIAS_ALIAS:
        case NODE_TYPEALIAS:
        case NODE_TYPE_SPECIFIER:
+       case NODE_TYPE_SPECIFIER_LIST:
        case NODE_POINTER:
        case NODE_TYPE_DECLARATOR:
        case NODE_ENUMERATOR:
@@ -417,7 +418,7 @@ static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
 {
        switch (parent->type) {
        case NODE_ROOT:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.root.typealias);
+               _cds_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_list);
                break;
        case NODE_EVENT:
                _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
@@ -444,6 +445,7 @@ static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
        case NODE_TYPEALIAS_ALIAS:
        case NODE_TYPEALIAS:
        case NODE_TYPE_SPECIFIER:
+       case NODE_TYPE_SPECIFIER_LIST:
        case NODE_POINTER:
        case NODE_TYPE_DECLARATOR:
        case NODE_ENUMERATOR:
@@ -463,52 +465,90 @@ static int reparent_typealias(struct ctf_node *node, struct ctf_node *parent)
 
 static int reparent_type_specifier(struct ctf_node *node,
                                   struct ctf_node *parent)
+{
+       switch (parent->type) {
+       case NODE_TYPE_SPECIFIER_LIST:
+               _cds_list_splice_tail(&node->tmp_head, &parent->u.type_specifier_list.head);
+               break;
+
+       case NODE_TYPE_SPECIFIER:
+       case NODE_EVENT:
+       case NODE_STREAM:
+       case NODE_TRACE:
+       case NODE_VARIANT:
+       case NODE_STRUCT:
+       case NODE_TYPEDEF:
+       case NODE_TYPEALIAS_TARGET:
+       case NODE_TYPEALIAS_ALIAS:
+       case NODE_TYPE_DECLARATOR:
+       case NODE_ENUM:
+       case NODE_STRUCT_OR_VARIANT_DECLARATION:
+       case NODE_TYPEALIAS:
+       case NODE_FLOATING_POINT:
+       case NODE_INTEGER:
+       case NODE_STRING:
+       case NODE_CTF_EXPRESSION:
+       case NODE_POINTER:
+       case NODE_ENUMERATOR:
+       case NODE_UNARY_EXPRESSION:
+               return -EPERM;
+
+       case NODE_UNKNOWN:
+       default:
+               fprintf(stderr, "[error] %s: unknown node type %d\n", __func__,
+                       (int) parent->type);
+               return -EINVAL;
+       }
+       return 0;
+}
+
+static int reparent_type_specifier_list(struct ctf_node *node,
+                                       struct ctf_node *parent)
 {
        switch (parent->type) {
        case NODE_ROOT:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.root.declaration_specifier);
+               cds_list_add_tail(&node->siblings, &parent->u.root.declaration_list);
                break;
        case NODE_EVENT:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.event.declaration_list);
+               cds_list_add_tail(&node->siblings, &parent->u.event.declaration_list);
                break;
        case NODE_STREAM:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.stream.declaration_list);
+               cds_list_add_tail(&node->siblings, &parent->u.stream.declaration_list);
                break;
        case NODE_TRACE:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.trace.declaration_list);
+               cds_list_add_tail(&node->siblings, &parent->u.trace.declaration_list);
                break;
        case NODE_VARIANT:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.variant.declaration_list);
+               cds_list_add_tail(&node->siblings, &parent->u.variant.declaration_list);
                break;
        case NODE_STRUCT:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u._struct.declaration_list);
+               cds_list_add_tail(&node->siblings, &parent->u._struct.declaration_list);
                break;
        case NODE_TYPEDEF:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u._typedef.declaration_specifier);
+               parent->u._typedef.type_specifier_list = node;
                break;
        case NODE_TYPEALIAS_TARGET:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.typealias_target.declaration_specifier);
+               parent->u.typealias_target.type_specifier_list = node;
                break;
        case NODE_TYPEALIAS_ALIAS:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.typealias_alias.declaration_specifier);
+               parent->u.typealias_alias.type_specifier_list = node;
                break;
        case NODE_TYPE_DECLARATOR:
                parent->u.type_declarator.type = TYPEDEC_NESTED;
-               CDS_INIT_LIST_HEAD(&parent->u.type_declarator.u.nested.length);
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.type_declarator.u.nested.length);
+               parent->u.type_declarator.u.nested.length = node;
                break;
        case NODE_ENUM:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u._enum.container_type);
+               parent->u._enum.container_type = node;
                break;
        case NODE_STRUCT_OR_VARIANT_DECLARATION:
-               _cds_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.declaration_specifier);
+               parent->u.struct_or_variant_declaration.type_specifier_list = node;
                break;
+       case NODE_TYPE_SPECIFIER:
        case NODE_TYPEALIAS:
        case NODE_FLOATING_POINT:
        case NODE_INTEGER:
        case NODE_STRING:
        case NODE_CTF_EXPRESSION:
-       case NODE_TYPE_SPECIFIER:
        case NODE_POINTER:
        case NODE_ENUMERATOR:
        case NODE_UNARY_EXPRESSION:
@@ -557,6 +597,7 @@ static int reparent_type_declarator(struct ctf_node *node,
        case NODE_STRING:
        case NODE_CTF_EXPRESSION:
        case NODE_TYPE_SPECIFIER:
+       case NODE_TYPE_SPECIFIER_LIST:
        case NODE_POINTER:
        case NODE_ENUMERATOR:
        case NODE_UNARY_EXPRESSION:
@@ -594,20 +635,23 @@ static int set_parent_node(struct ctf_node *node,
        case NODE_EVENT:
                if (parent->type == NODE_ROOT) {
                        _cds_list_splice_tail(&node->tmp_head, &parent->u.root.event);
-               } else
+               } else {
                        return -EPERM;
+               }
                break;
        case NODE_STREAM:
                if (parent->type == NODE_ROOT) {
                        _cds_list_splice_tail(&node->tmp_head, &parent->u.root.stream);
-               } else
+               } else {
                        return -EPERM;
+               }
                break;
        case NODE_TRACE:
                if (parent->type == NODE_ROOT) {
                        _cds_list_splice_tail(&node->tmp_head, &parent->u.root.trace);
-               } else
+               } else {
                        return -EPERM;
+               }
                break;
 
        case NODE_CTF_EXPRESSION:
@@ -643,20 +687,26 @@ static int set_parent_node(struct ctf_node *node,
        case NODE_TYPE_DECLARATOR:
                return reparent_type_declarator(node, parent);
 
+       case NODE_TYPE_SPECIFIER_LIST:
+               return reparent_type_specifier_list(node, parent);
+
        case NODE_TYPE_SPECIFIER:
+               return reparent_type_specifier(node, parent);
+
        case NODE_FLOATING_POINT:
        case NODE_INTEGER:
        case NODE_STRING:
        case NODE_ENUM:
        case NODE_VARIANT:
        case NODE_STRUCT:
-               return reparent_type_specifier(node, parent);
+               return -EINVAL; /* Dealt with internally within grammar */
 
        case NODE_ENUMERATOR:
                if (parent->type == NODE_ENUM) {
                        _cds_list_splice_tail(&node->tmp_head, &parent->u._enum.enumerator_list);
-               } else
+               } else {
                        return -EPERM;
+               }
                break;
        case NODE_STRUCT_OR_VARIANT_DECLARATION:
                switch (parent->type) {
@@ -715,9 +765,7 @@ static struct ctf_ast *ctf_ast_alloc(void)
        CDS_INIT_LIST_HEAD(&ast->allocated_nodes);
        ast->root.type = NODE_ROOT;
        CDS_INIT_LIST_HEAD(&ast->root.tmp_head);
-       CDS_INIT_LIST_HEAD(&ast->root.u.root._typedef);
-       CDS_INIT_LIST_HEAD(&ast->root.u.root.typealias);
-       CDS_INIT_LIST_HEAD(&ast->root.u.root.declaration_specifier);
+       CDS_INIT_LIST_HEAD(&ast->root.u.root.declaration_list);
        CDS_INIT_LIST_HEAD(&ast->root.u.root.trace);
        CDS_INIT_LIST_HEAD(&ast->root.u.root.stream);
        CDS_INIT_LIST_HEAD(&ast->root.u.root.event);
@@ -1101,31 +1149,51 @@ declaration:
                {       $$ = $1;        }
        |       declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
                {
+                       struct ctf_node *list;
+
                        $$ = make_node(scanner, NODE_TYPEDEF);
-                       _cds_list_splice_tail(&($1)->tmp_head, &($$)->u._typedef.declaration_specifier);
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.declaration_specifier);
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u._typedef.type_specifier_list = list;
+                       _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
+                       _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
                }
        |       TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
                {
+                       struct ctf_node *list;
+
                        $$ = make_node(scanner, NODE_TYPEDEF);
-                       _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._typedef.declaration_specifier);
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u._typedef.type_specifier_list = list;
+                       _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
                }
        |       declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
                {
+                       struct ctf_node *list;
+
                        $$ = make_node(scanner, NODE_TYPEDEF);
-                       _cds_list_splice_tail(&($1)->tmp_head, &($$)->u._typedef.declaration_specifier);
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u._typedef.type_specifier_list = list;
+                       _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
                }
        |       TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
                {
+                       struct ctf_node *list;
+
                        $$ = make_node(scanner, NODE_TYPEALIAS);
                        $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
                        $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
-                       _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
+                       _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
-                       _cds_list_splice_tail(&($5)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
+                       _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
                }
        ;
@@ -1204,11 +1272,21 @@ trace_declaration_end:
 declaration_specifiers:
                CONST
                {
-                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
-                       $$->u.type_specifier.type = TYPESPEC_CONST;
+                       struct ctf_node *node;
+
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       node = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       node->u.type_specifier.type = TYPESPEC_CONST;
+                       cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
                }
        |       type_specifier
-               {       $$ = $1;        }
+               {
+                       struct ctf_node *node;
+
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       node = $1;
+                       cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
+               }
        |       declaration_specifiers CONST
                {
                        struct ctf_node *node;
@@ -1216,12 +1294,12 @@ declaration_specifiers:
                        $$ = $1;
                        node = make_node(scanner, NODE_TYPE_SPECIFIER);
                        node->u.type_specifier.type = TYPESPEC_CONST;
-                       cds_list_add_tail(&node->siblings, &($$)->tmp_head);
+                       cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
                }
        |       declaration_specifiers type_specifier
                {
                        $$ = $1;
-                       cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
+                       cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
                }
        ;
 
@@ -1304,40 +1382,64 @@ type_specifier:
                }
        |       FLOATING_POINT LBRAC RBRAC
                {
-                       $$ = make_node(scanner, NODE_FLOATING_POINT);
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
+                       $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
                }
        |       FLOATING_POINT LBRAC ctf_assignment_expression_list RBRAC
                {
-                       $$ = make_node(scanner, NODE_FLOATING_POINT);
-                       if (set_parent_node($3, $$))
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       $$->u.type_specifier.type = TYPESPEC_FLOATING_POINT;
+                       $$->u.type_specifier.node = make_node(scanner, NODE_FLOATING_POINT);
+                       if (set_parent_node($3, $$->u.type_specifier.node))
                                reparent_error(scanner, "floating point reparent error");
                }
        |       INTEGER LBRAC RBRAC
                {
-                       $$ = make_node(scanner, NODE_INTEGER);
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       $$->u.type_specifier.type = TYPESPEC_INTEGER;
+                       $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
                }
        |       INTEGER LBRAC ctf_assignment_expression_list RBRAC
                {
-                       $$ = make_node(scanner, NODE_INTEGER);
-                       if (set_parent_node($3, $$))
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       $$->u.type_specifier.type = TYPESPEC_INTEGER;
+                       $$->u.type_specifier.node = make_node(scanner, NODE_INTEGER);
+                       if (set_parent_node($3, $$->u.type_specifier.node))
                                reparent_error(scanner, "integer reparent error");
                }
        |       STRING LBRAC RBRAC
                {
-                       $$ = make_node(scanner, NODE_STRING);
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       $$->u.type_specifier.type = TYPESPEC_STRING;
+                       $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
                }
        |       STRING LBRAC ctf_assignment_expression_list RBRAC
                {
-                       $$ = make_node(scanner, NODE_STRING);
-                       if (set_parent_node($3, $$))
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       $$->u.type_specifier.type = TYPESPEC_STRING;
+                       $$->u.type_specifier.node = make_node(scanner, NODE_STRING);
+                       if (set_parent_node($3, $$->u.type_specifier.node))
                                reparent_error(scanner, "string reparent error");
                }
        |       ENUM enum_type_specifier
-               {       $$ = $2;                }
+               {
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       $$->u.type_specifier.type = TYPESPEC_ENUM;
+                       $$->u.type_specifier.node = $2;
+               }
        |       VARIANT variant_type_specifier
-               {       $$ = $2;                }
+               {
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       $$->u.type_specifier.type = TYPESPEC_VARIANT;
+                       $$->u.type_specifier.node = $2;
+               }
        |       STRUCT struct_type_specifier
-               {       $$ = $2;                }
+               {
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       $$->u.type_specifier.type = TYPESPEC_STRUCT;
+                       $$->u.type_specifier.node = $2;
+               }
        ;
 
 struct_type_specifier:
@@ -1537,11 +1639,11 @@ enum_type_specifier:
                        $$->u._enum.has_body = 1;
                        _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
                }
-       |       LT declaration_specifiers_or_integer_constant GT LBRAC enumerator_list RBRAC
+       |       LT declaration_specifiers GT LBRAC enumerator_list RBRAC
                {
                        $$ = make_node(scanner, NODE_ENUM);
                        $$->u._enum.has_body = 1;
-                       _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.container_type);
+                       ($$)->u._enum.container_type = $2;
                        _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
                }
        |       IDENTIFIER LBRAC enumerator_list RBRAC
@@ -1551,12 +1653,12 @@ enum_type_specifier:
                        $$->u._enum.enum_id = $1->s;
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
                }
-       |       IDENTIFIER LT declaration_specifiers_or_integer_constant GT LBRAC enumerator_list RBRAC
+       |       IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list RBRAC
                {
                        $$ = make_node(scanner, NODE_ENUM);
                        $$->u._enum.has_body = 1;
                        $$->u._enum.enum_id = $1->s;
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
+                       ($$)->u._enum.container_type = $3;
                        _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
                }
        |       ID_TYPE LBRAC enumerator_list RBRAC
@@ -1566,12 +1668,12 @@ enum_type_specifier:
                        $$->u._enum.enum_id = $1->s;
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
                }
-       |       ID_TYPE LT declaration_specifiers_or_integer_constant GT LBRAC enumerator_list RBRAC
+       |       ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list RBRAC
                {
                        $$ = make_node(scanner, NODE_ENUM);
                        $$->u._enum.has_body = 1;
                        $$->u._enum.enum_id = $1->s;
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
+                       ($$)->u._enum.container_type = $3;
                        _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
                }
        |       LBRAC enumerator_list COMMA RBRAC
@@ -1580,11 +1682,11 @@ enum_type_specifier:
                        $$->u._enum.has_body = 1;
                        _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
                }
-       |       LT declaration_specifiers_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
+       |       LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
                {
                        $$ = make_node(scanner, NODE_ENUM);
                        $$->u._enum.has_body = 1;
-                       _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.container_type);
+                       ($$)->u._enum.container_type = $2;
                        _cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
                }
        |       IDENTIFIER LBRAC enumerator_list COMMA RBRAC
@@ -1594,12 +1696,12 @@ enum_type_specifier:
                        $$->u._enum.enum_id = $1->s;
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
                }
-       |       IDENTIFIER LT declaration_specifiers_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
+       |       IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
                {
                        $$ = make_node(scanner, NODE_ENUM);
                        $$->u._enum.has_body = 1;
                        $$->u._enum.enum_id = $1->s;
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
+                       ($$)->u._enum.container_type = $3;
                        _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
                }
        |       IDENTIFIER
@@ -1608,12 +1710,12 @@ enum_type_specifier:
                        $$->u._enum.has_body = 0;
                        $$->u._enum.enum_id = $1->s;
                }
-       |       IDENTIFIER LT declaration_specifiers_or_integer_constant GT
+       |       IDENTIFIER LT declaration_specifiers GT
                {
                        $$ = make_node(scanner, NODE_ENUM);
                        $$->u._enum.has_body = 0;
                        $$->u._enum.enum_id = $1->s;
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
+                       ($$)->u._enum.container_type = $3;
                }
        |       ID_TYPE LBRAC enumerator_list COMMA RBRAC
                {
@@ -1622,12 +1724,12 @@ enum_type_specifier:
                        $$->u._enum.enum_id = $1->s;
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
                }
-       |       ID_TYPE LT declaration_specifiers_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
+       |       ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
                {
                        $$ = make_node(scanner, NODE_ENUM);
                        $$->u._enum.has_body = 1;
                        $$->u._enum.enum_id = $1->s;
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
+                       ($$)->u._enum.container_type = $3;
                        _cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
                }
        |       ID_TYPE
@@ -1636,12 +1738,12 @@ enum_type_specifier:
                        $$->u._enum.has_body = 0;
                        $$->u._enum.enum_id = $1->s;
                }
-       |       ID_TYPE LT declaration_specifiers_or_integer_constant GT
+       |       ID_TYPE LT declaration_specifiers GT
                {
                        $$ = make_node(scanner, NODE_ENUM);
                        $$->u._enum.has_body = 0;
                        $$->u._enum.enum_id = $1->s;
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
+                       ($$)->u._enum.container_type = $3;
                }
        ;
 
@@ -1663,37 +1765,61 @@ struct_or_variant_declaration_list:
 struct_or_variant_declaration:
                declaration_specifiers struct_or_variant_declarator_list SEMICOLON
                {
+                       struct ctf_node *list;
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        $$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
-                       _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.struct_or_variant_declaration.declaration_specifier);
+                       ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
                        _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
                }
        |       declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
                {
+                       struct ctf_node *list;
+
                        $$ = make_node(scanner, NODE_TYPEDEF);
-                       _cds_list_splice_tail(&($1)->tmp_head, &($$)->u._typedef.declaration_specifier);
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.declaration_specifier);
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u._typedef.type_specifier_list = list;
+                       _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
+                       _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
                }
        |       TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
                {
+                       struct ctf_node *list;
+
                        $$ = make_node(scanner, NODE_TYPEDEF);
-                       _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._typedef.declaration_specifier);
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u._typedef.type_specifier_list = list;
+                       _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
                }
        |       declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
                {
+                       struct ctf_node *list;
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        $$ = make_node(scanner, NODE_TYPEDEF);
-                       _cds_list_splice_tail(&($1)->tmp_head, &($$)->u._typedef.declaration_specifier);
+                       ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
                }
        |       TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
                {
+                       struct ctf_node *list;
+
                        $$ = make_node(scanner, NODE_TYPEALIAS);
                        $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
                        $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
-                       _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
+                       _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
-                       _cds_list_splice_tail(&($5)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
+                       _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
                }
        ;
@@ -1701,17 +1827,31 @@ struct_or_variant_declaration:
 alias_declaration_specifiers:
                CONST
                {
-                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
-                       $$->u.type_specifier.type = TYPESPEC_CONST;
+                       struct ctf_node *node;
+
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       node = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       node->u.type_specifier.type = TYPESPEC_CONST;
+                       cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
                }
        |       type_specifier
-               {       $$ = $1;        }
+               {
+                       struct ctf_node *node;
+
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       node = $1;
+                       cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
+               }
        |       IDENTIFIER
                {
+                       struct ctf_node *node;
+
                        add_type(scanner, $1);
-                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER);
-                       ($$)->u.type_specifier.type = TYPESPEC_ID_TYPE;
-                       ($$)->u.type_specifier.id_type = yylval.gs->s;
+                       $$ = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       node = make_node(scanner, NODE_TYPE_SPECIFIER);
+                       node->u.type_specifier.type = TYPESPEC_ID_TYPE;
+                       node->u.type_specifier.id_type = yylval.gs->s;
+                       cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
                }
        |       alias_declaration_specifiers CONST
                {
@@ -1720,12 +1860,12 @@ alias_declaration_specifiers:
                        $$ = $1;
                        node = make_node(scanner, NODE_TYPE_SPECIFIER);
                        node->u.type_specifier.type = TYPESPEC_CONST;
-                       cds_list_add_tail(&node->siblings, &($$)->tmp_head);
+                       cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
                }
        |       alias_declaration_specifiers type_specifier
                {
                        $$ = $1;
-                       cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
+                       cds_list_add_tail(&($2)->siblings, &($$)->u.type_specifier_list.head);
                }
        |       alias_declaration_specifiers IDENTIFIER
                {
@@ -1736,7 +1876,7 @@ alias_declaration_specifiers:
                        node = make_node(scanner, NODE_TYPE_SPECIFIER);
                        node->u.type_specifier.type = TYPESPEC_ID_TYPE;
                        node->u.type_specifier.id_type = yylval.gs->s;
-                       cds_list_add_tail(&node->siblings, &($$)->tmp_head);
+                       cds_list_add_tail(&node->siblings, &($$)->u.type_specifier_list.head);
                }
        ;
 
@@ -1875,8 +2015,7 @@ direct_abstract_declarator:
                        $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
                        $$->u.type_declarator.type = TYPEDEC_NESTED;
                        $$->u.type_declarator.u.nested.type_declarator = $1;
-                       CDS_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
+                       ($$)->u.type_declarator.u.nested.length = $3;
                }
        |       direct_abstract_declarator LSBRAC RSBRAC
                {
@@ -1925,8 +2064,7 @@ direct_alias_abstract_declarator:
                        $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
                        $$->u.type_declarator.type = TYPEDEC_NESTED;
                        $$->u.type_declarator.u.nested.type_declarator = $1;
-                       CDS_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
+                       ($$)->u.type_declarator.u.nested.length = $3;
                }
        |       direct_alias_abstract_declarator LSBRAC RSBRAC
                {
@@ -1965,8 +2103,7 @@ direct_declarator:
                        $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
                        $$->u.type_declarator.type = TYPEDEC_NESTED;
                        $$->u.type_declarator.u.nested.type_declarator = $1;
-                       CDS_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
+                       ($$)->u.type_declarator.u.nested.length = $3;
                }
        ;
 
@@ -1999,8 +2136,7 @@ direct_type_declarator:
                        $$ = make_node(scanner, NODE_TYPE_DECLARATOR);
                        $$->u.type_declarator.type = TYPEDEC_NESTED;
                        $$->u.type_declarator.u.nested.type_declarator = $1;
-                       CDS_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
+                       ($$)->u.type_declarator.u.nested.length = $3;
                }
        ;
 
@@ -2053,7 +2189,7 @@ ctf_assignment_expression:
                                reparent_error(scanner, "ctf_assignment_expression left expects string");
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
                }
-       |       unary_expression TYPEASSIGN type_specifier
+       |       unary_expression TYPEASSIGN declaration_specifiers      /* Only allow struct */
                {
                        /*
                         * Because we have left and right, cannot use
@@ -2063,36 +2199,55 @@ ctf_assignment_expression:
                        _cds_list_splice_tail(&($1)->tmp_head, &($$)->u.ctf_expression.left);
                        if ($1->u.unary_expression.type != UNARY_STRING)
                                reparent_error(scanner, "ctf_assignment_expression left expects string");
-                       cds_list_add(&($3)->siblings, &($3)->tmp_head);
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.ctf_expression.right);
+                       cds_list_add_tail(&($3)->siblings, &($$)->u.ctf_expression.right);
                }
        |       declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list
                {
+                       struct ctf_node *list;
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
+                       _cds_list_splice_tail(&($3)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        $$ = make_node(scanner, NODE_TYPEDEF);
-                       _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.declaration_specifier);
-                       _cds_list_splice_tail(&($1)->tmp_head, &($$)->u._typedef.declaration_specifier);
+                       ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
                        _cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
                }
        |       TYPEDEF declaration_specifiers type_declarator_list
                {
+                       struct ctf_node *list;
+
                        $$ = make_node(scanner, NODE_TYPEDEF);
-                       _cds_list_splice_tail(&($2)->tmp_head, &($$)->u._typedef.declaration_specifier);
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u._typedef.type_specifier_list = list;
+                       _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
                }
        |       declaration_specifiers TYPEDEF type_declarator_list
                {
+                       struct ctf_node *list;
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       _cds_list_splice_tail(&($1)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        $$ = make_node(scanner, NODE_TYPEDEF);
-                       _cds_list_splice_tail(&($1)->tmp_head, &($$)->u._typedef.declaration_specifier);
+                       ($$)->u.struct_or_variant_declaration.type_specifier_list = list;
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
                }
        |       TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list
                {
+                       struct ctf_node *list;
+
                        $$ = make_node(scanner, NODE_TYPEALIAS);
                        $$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
                        $$->u.typealias.alias = make_node(scanner, NODE_TYPEALIAS_ALIAS);
-                       _cds_list_splice_tail(&($2)->tmp_head, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u.typealias.target->u.typealias_target.type_specifier_list = list;
+                       _cds_list_splice_tail(&($2)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.target->u.typealias_target.type_declarators);
-                       _cds_list_splice_tail(&($5)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
+
+                       list = make_node(scanner, NODE_TYPE_SPECIFIER_LIST);
+                       $$->u.typealias.alias->u.typealias_alias.type_specifier_list = list;
+                       _cds_list_splice_tail(&($5)->u.type_specifier_list.head, &list->u.type_specifier_list.head);
                        _cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
                }
        ;
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