X-Git-Url: http://git.efficios.com/?p=babeltrace.git;a=blobdiff_plain;f=formats%2Fctf%2Fmetadata%2Fctf-parser.y;h=66e37923c9315dd482c577912f3f62a75fa5431a;hp=cbdfa7fd6e2786625a22a7e0ef35f715293ebff1;hb=2b0a0f95394186acf18c453209e31b028312ecf3;hpb=380d60b1bd3c5d1a709dca3eeb8e718598fed235

diff --git a/formats/ctf/metadata/ctf-parser.y b/formats/ctf/metadata/ctf-parser.y
index cbdfa7fd..66e37923 100644
--- a/formats/ctf/metadata/ctf-parser.y
+++ b/formats/ctf/metadata/ctf-parser.y
@@ -30,6 +30,10 @@
 #include "ctf-parser.h"
 #include "ctf-ast.h"
 
+/*
+ * TODO: support enum, variant and struct declarations in scopes.
+ */
+
 /* Join two lists, put "add" at the end of "head".  */
 static inline void
 _cds_list_splice_tail (struct cds_list_head *add, struct cds_list_head *head)
@@ -59,6 +63,39 @@ struct gc_string {
 	char s[];
 };
 
+static const char *node_type_to_str[] = {
+	[ NODE_UNKNOWN ] = "NODE_UNKNOWN",
+	[ NODE_ROOT ] = "NODE_ROOT",
+	[ NODE_EVENT ] = "NODE_EVENT",
+	[ NODE_STREAM ] = "NODE_STREAM",
+	[ NODE_TRACE ] = "NODE_TRACE",
+	[ NODE_CTF_EXPRESSION ] = "NODE_CTF_EXPRESSION",
+	[ NODE_UNARY_EXPRESSION ] = "NODE_UNARY_EXPRESSION",
+	[ NODE_TYPEDEF ] = "NODE_TYPEDEF",
+	[ NODE_TYPEALIAS_TARGET ] = "NODE_TYPEALIAS_TARGET",
+	[ NODE_TYPEALIAS_ALIAS ] = "NODE_TYPEALIAS_ALIAS",
+	[ NODE_TYPEALIAS ] = "NODE_TYPEALIAS",
+	[ NODE_TYPE_SPECIFIER ] = "NODE_TYPE_SPECIFIER",
+	[ NODE_POINTER ] = "NODE_POINTER",
+	[ NODE_TYPE_DECLARATOR ] = "NODE_TYPE_DECLARATOR",
+	[ NODE_FLOATING_POINT ] = "NODE_FLOATING_POINT",
+	[ NODE_INTEGER ] = "NODE_INTEGER",
+	[ NODE_STRING ] = "NODE_STRING",
+	[ NODE_ENUMERATOR ] = "NODE_ENUMERATOR",
+	[ NODE_ENUM ] = "NODE_ENUM",
+	[ NODE_STRUCT_OR_VARIANT_DECLARATION ] = "NODE_STRUCT_OR_VARIANT_DECLARATION",
+	[ NODE_VARIANT ] = "NODE_VARIANT",
+	[ NODE_STRUCT ] = "NODE_STRUCT",
+};
+
+const char *node_type(struct ctf_node *node)
+{
+	if (node->type < NR_NODE_TYPES)
+		return node_type_to_str[node->type];
+	else
+		return NULL;
+}
+
 static struct gc_string *gc_string_alloc(struct ctf_scanner *scanner,
 					 size_t len)
 {
@@ -255,6 +292,7 @@ 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:
@@ -456,10 +494,11 @@ static int reparent_type_specifier(struct ctf_node *node,
 		break;
 	case NODE_TYPE_DECLARATOR:
 		parent->u.type_declarator.type = TYPEDEC_NESTED;
-		parent->u.type_declarator.u.nested.length = node;
+		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);
 		break;
 	case NODE_ENUM:
-		parent->u._enum.container_type = node;
+		_cds_list_splice_tail(&node->tmp_head, &parent->u._enum.container_type);
 		break;
 	case NODE_STRUCT_OR_VARIANT_DECLARATION:
 		_cds_list_splice_tail(&node->tmp_head, &parent->u.struct_or_variant_declaration.declaration_specifier);
@@ -774,17 +813,16 @@ void ctf_scanner_free(struct ctf_scanner *scanner)
 %type <n> stream_declaration
 %type <n> trace_declaration
 %type <n> declaration_specifiers
+%type <n> alias_declaration_specifiers
 
 %type <n> type_declarator_list
-%type <n> abstract_type_declarator_list
 %type <n> type_specifier
 %type <n> struct_type_specifier
 %type <n> variant_type_specifier
-%type <n> type_specifier_or_integer_constant
+%type <n> declaration_specifiers_or_integer_constant
 %type <n> enum_type_specifier
 %type <n> struct_or_variant_declaration_list
 %type <n> struct_or_variant_declaration
-%type <n> specifier_qualifier_list
 %type <n> struct_or_variant_declarator_list
 %type <n> struct_or_variant_declarator
 %type <n> enumerator_list
@@ -792,12 +830,13 @@ void ctf_scanner_free(struct ctf_scanner *scanner)
 %type <n> abstract_declarator_list
 %type <n> abstract_declarator
 %type <n> direct_abstract_declarator
+%type <n> alias_abstract_declarator_list
+%type <n> alias_abstract_declarator
+%type <n> direct_alias_abstract_declarator
 %type <n> declarator
 %type <n> direct_declarator
 %type <n> type_declarator
 %type <n> direct_type_declarator
-%type <n> abstract_type_declarator
-%type <n> direct_abstract_type_declarator
 %type <n> pointer	
 %type <n> ctf_assignment_expression_list
 %type <n> ctf_assignment_expression
@@ -840,6 +879,8 @@ keywords:
 		{	$$ = yylval.gs;		}
 	|	_COMPLEX
 		{	$$ = yylval.gs;		}
+	|	_IMAGINARY
+		{	$$ = yylval.gs;		}
 	|	FLOATING_POINT
 		{	$$ = yylval.gs;		}
 	|	INTEGER
@@ -1077,7 +1118,7 @@ declaration:
 			_cds_list_splice_tail(&($1)->tmp_head, &($$)->u._typedef.declaration_specifier);
 			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
 		}
-	|	TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list SEMICOLON
+	|	TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
 		{
 			$$ = make_node(scanner, NODE_TYPEALIAS);
 			$$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
@@ -1087,15 +1128,6 @@ declaration:
 			_cds_list_splice_tail(&($5)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
 			_cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
 		}
-	|	TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_list SEMICOLON
-		{
-			$$ = make_node(scanner, NODE_TYPEALIAS);
-			$$->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);
-			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
-			_cds_list_splice_tail(&($5)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
-		}
 	;
 
 event_declaration:
@@ -1203,16 +1235,6 @@ type_declarator_list:
 		}
 	;
 
-abstract_type_declarator_list:
-		abstract_type_declarator
-		{	$$ = $1;	}
-	|	abstract_type_declarator_list COMMA abstract_type_declarator
-		{
-			$$ = $1;
-			cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
-		}
-	;
-
 type_specifier:
 		VOID
 		{
@@ -1269,6 +1291,11 @@ type_specifier:
 			$$ = make_node(scanner, NODE_TYPE_SPECIFIER);
 			$$->u.type_specifier.type = TYPESPEC_COMPLEX;
 		}
+	|	_IMAGINARY
+		{
+			$$ = make_node(scanner, NODE_TYPE_SPECIFIER);
+			$$->u.type_specifier.type = TYPESPEC_IMAGINARY;
+		}
 	|	ID_TYPE
 		{
 			$$ = make_node(scanner, NODE_TYPE_SPECIFIER);
@@ -1317,12 +1344,14 @@ struct_type_specifier:
 		struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
 		{
 			$$ = make_node(scanner, NODE_STRUCT);
+			$$->u._struct.has_body = 1;
 			if (set_parent_node($2, $$))
 				reparent_error(scanner, "struct reparent error");
 		}
 	|	IDENTIFIER struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
 		{
 			$$ = make_node(scanner, NODE_STRUCT);
+			$$->u._struct.has_body = 1;
 			$$->u._struct.name = $1->s;
 			if (set_parent_node($3, $$))
 				reparent_error(scanner, "struct reparent error");
@@ -1330,6 +1359,7 @@ struct_type_specifier:
 	|	ID_TYPE struct_declaration_begin struct_or_variant_declaration_list struct_declaration_end
 		{
 			$$ = make_node(scanner, NODE_STRUCT);
+			$$->u._struct.has_body = 1;
 			$$->u._struct.name = $1->s;
 			if (set_parent_node($3, $$))
 				reparent_error(scanner, "struct reparent error");
@@ -1337,11 +1367,13 @@ struct_type_specifier:
 	|	IDENTIFIER
 		{
 			$$ = make_node(scanner, NODE_STRUCT);
+			$$->u._struct.has_body = 0;
 			$$->u._struct.name = $1->s;
 		}
 	|	ID_TYPE
 		{
 			$$ = make_node(scanner, NODE_STRUCT);
+			$$->u._struct.has_body = 0;
 			$$->u._struct.name = $1->s;
 		}
 	;
@@ -1360,12 +1392,14 @@ variant_type_specifier:
 		variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 1;
 			if (set_parent_node($2, $$))
 				reparent_error(scanner, "variant reparent error");
 		}
 	|	LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 1;
 			$$->u.variant.choice = $2->s;
 			if (set_parent_node($5, $$))
 				reparent_error(scanner, "variant reparent error");
@@ -1373,6 +1407,7 @@ variant_type_specifier:
 	|	LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 1;
 			$$->u.variant.choice = $2->s;
 			if (set_parent_node($5, $$))
 				reparent_error(scanner, "variant reparent error");
@@ -1380,6 +1415,7 @@ variant_type_specifier:
 	|	IDENTIFIER variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 1;
 			$$->u.variant.name = $1->s;
 			if (set_parent_node($3, $$))
 				reparent_error(scanner, "variant reparent error");
@@ -1387,6 +1423,7 @@ variant_type_specifier:
 	|	IDENTIFIER LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 1;
 			$$->u.variant.name = $1->s;
 			$$->u.variant.choice = $3->s;
 			if (set_parent_node($6, $$))
@@ -1395,12 +1432,14 @@ variant_type_specifier:
 	|	IDENTIFIER LT IDENTIFIER GT
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 0;
 			$$->u.variant.name = $1->s;
 			$$->u.variant.choice = $3->s;
 		}
 	|	IDENTIFIER LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 1;
 			$$->u.variant.name = $1->s;
 			$$->u.variant.choice = $3->s;
 			if (set_parent_node($6, $$))
@@ -1409,12 +1448,14 @@ variant_type_specifier:
 	|	IDENTIFIER LT ID_TYPE GT
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 0;
 			$$->u.variant.name = $1->s;
 			$$->u.variant.choice = $3->s;
 		}
 	|	ID_TYPE variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 1;
 			$$->u.variant.name = $1->s;
 			if (set_parent_node($3, $$))
 				reparent_error(scanner, "variant reparent error");
@@ -1422,6 +1463,7 @@ variant_type_specifier:
 	|	ID_TYPE LT IDENTIFIER GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 1;
 			$$->u.variant.name = $1->s;
 			$$->u.variant.choice = $3->s;
 			if (set_parent_node($6, $$))
@@ -1430,12 +1472,14 @@ variant_type_specifier:
 	|	ID_TYPE LT IDENTIFIER GT
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 0;
 			$$->u.variant.name = $1->s;
 			$$->u.variant.choice = $3->s;
 		}
 	|	ID_TYPE LT ID_TYPE GT variant_declaration_begin struct_or_variant_declaration_list variant_declaration_end
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 1;
 			$$->u.variant.name = $1->s;
 			$$->u.variant.choice = $3->s;
 			if (set_parent_node($6, $$))
@@ -1444,6 +1488,7 @@ variant_type_specifier:
 	|	ID_TYPE LT ID_TYPE GT
 		{
 			$$ = make_node(scanner, NODE_VARIANT);
+			$$->u.variant.has_body = 0;
 			$$->u.variant.name = $1->s;
 			$$->u.variant.choice = $3->s;
 		}
@@ -1459,7 +1504,7 @@ variant_declaration_end:
 		{	pop_scope(scanner);	}
 	;
 
-type_specifier_or_integer_constant:
+declaration_specifiers_or_integer_constant:
 		declaration_specifiers
 		{	$$ = $1;		}
 	|	DECIMAL_CONSTANT
@@ -1489,98 +1534,114 @@ enum_type_specifier:
 		LBRAC enumerator_list RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			_cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
-	|	LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
+	|	LT declaration_specifiers GT LBRAC enumerator_list RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
-			$$->u._enum.container_type = $2;
+			$$->u._enum.has_body = 1;
+			_cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.container_type);
 			_cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
 	|	IDENTIFIER LBRAC enumerator_list RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			$$->u._enum.enum_id = $1->s;
 			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
-	|	IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
+	|	IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			$$->u._enum.enum_id = $1->s;
-			$$->u._enum.container_type = $3;
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
 			_cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
 	|	ID_TYPE LBRAC enumerator_list RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			$$->u._enum.enum_id = $1->s;
 			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
-	|	ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list RBRAC
+	|	ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			$$->u._enum.enum_id = $1->s;
-			$$->u._enum.container_type = $3;
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
 			_cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
 	|	LBRAC enumerator_list COMMA RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			_cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
-	|	LT type_specifier_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.container_type = $2;
+			$$->u._enum.has_body = 1;
+			_cds_list_splice_tail(&($2)->tmp_head, &($$)->u._enum.container_type);
 			_cds_list_splice_tail(&($5)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
 	|	IDENTIFIER LBRAC enumerator_list COMMA RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			$$->u._enum.enum_id = $1->s;
 			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
-	|	IDENTIFIER LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
+	|	IDENTIFIER LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			$$->u._enum.enum_id = $1->s;
-			$$->u._enum.container_type = $3;
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
 			_cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
 	|	IDENTIFIER
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 0;
 			$$->u._enum.enum_id = $1->s;
 		}
-	|	IDENTIFIER LT type_specifier_or_integer_constant GT
+	|	IDENTIFIER LT declaration_specifiers GT
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 0;
 			$$->u._enum.enum_id = $1->s;
-			$$->u._enum.container_type = $3;
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
 		}
 	|	ID_TYPE LBRAC enumerator_list COMMA RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			$$->u._enum.enum_id = $1->s;
 			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
-	|	ID_TYPE LT type_specifier_or_integer_constant GT LBRAC enumerator_list COMMA RBRAC
+	|	ID_TYPE LT declaration_specifiers GT LBRAC enumerator_list COMMA RBRAC
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 1;
 			$$->u._enum.enum_id = $1->s;
-			$$->u._enum.container_type = $3;
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
 			_cds_list_splice_tail(&($6)->tmp_head, &($$)->u._enum.enumerator_list);
 		}
 	|	ID_TYPE
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 0;
 			$$->u._enum.enum_id = $1->s;
 		}
-	|	ID_TYPE LT type_specifier_or_integer_constant GT
+	|	ID_TYPE LT declaration_specifiers GT
 		{
 			$$ = make_node(scanner, NODE_ENUM);
+			$$->u._enum.has_body = 0;
 			$$->u._enum.enum_id = $1->s;
-			$$->u._enum.container_type = $3;
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._enum.container_type);
 		}
 	;
 
@@ -1600,32 +1661,32 @@ struct_or_variant_declaration_list:
 	;
 
 struct_or_variant_declaration:
-		specifier_qualifier_list struct_or_variant_declarator_list SEMICOLON
+		declaration_specifiers struct_or_variant_declarator_list SEMICOLON
 		{
 			$$ = make_node(scanner, NODE_STRUCT_OR_VARIANT_DECLARATION);
 			_cds_list_splice_tail(&($1)->tmp_head, &($$)->u.struct_or_variant_declaration.declaration_specifier);
 			_cds_list_splice_tail(&($2)->tmp_head, &($$)->u.struct_or_variant_declaration.type_declarators);
 		}
-	|	specifier_qualifier_list TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON
+	|	declaration_specifiers TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
 		{
 			$$ = 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);
 			_cds_list_splice_tail(&($4)->tmp_head, &($$)->u._typedef.type_declarators);
 		}
-	|	TYPEDEF specifier_qualifier_list type_declarator_list SEMICOLON
+	|	TYPEDEF declaration_specifiers type_declarator_list SEMICOLON
 		{
 			$$ = make_node(scanner, NODE_TYPEDEF);
 			_cds_list_splice_tail(&($2)->tmp_head, &($$)->u._typedef.declaration_specifier);
 			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
 		}
-	|	specifier_qualifier_list TYPEDEF type_declarator_list SEMICOLON
+	|	declaration_specifiers TYPEDEF type_declarator_list SEMICOLON
 		{
 			$$ = make_node(scanner, NODE_TYPEDEF);
 			_cds_list_splice_tail(&($1)->tmp_head, &($$)->u._typedef.declaration_specifier);
 			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
 		}
-	|	TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON specifier_qualifier_list abstract_type_declarator_list SEMICOLON
+	|	TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list SEMICOLON
 		{
 			$$ = make_node(scanner, NODE_TYPEALIAS);
 			$$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
@@ -1635,18 +1696,9 @@ struct_or_variant_declaration:
 			_cds_list_splice_tail(&($5)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
 			_cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
 		}
-	|	TYPEALIAS specifier_qualifier_list abstract_declarator_list COLON type_declarator_list SEMICOLON
-		{
-			$$ = 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, &($$)->u.typealias.target->u.typealias_target.declaration_specifier);
-			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
-			_cds_list_splice_tail(&($5)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
-		}
 	;
 
-specifier_qualifier_list:
+alias_declaration_specifiers:
 		CONST
 		{
 			$$ = make_node(scanner, NODE_TYPE_SPECIFIER);
@@ -1654,7 +1706,14 @@ specifier_qualifier_list:
 		}
 	|	type_specifier
 		{	$$ = $1;	}
-	|	specifier_qualifier_list CONST
+	|	IDENTIFIER
+		{
+			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;
+		}
+	|	alias_declaration_specifiers CONST
 		{
 			struct ctf_node *node;
 
@@ -1663,11 +1722,22 @@ specifier_qualifier_list:
 			node->u.type_specifier.type = TYPESPEC_CONST;
 			cds_list_add_tail(&node->siblings, &($$)->tmp_head);
 		}
-	|	specifier_qualifier_list type_specifier
+	|	alias_declaration_specifiers type_specifier
 		{
 			$$ = $1;
 			cds_list_add_tail(&($2)->siblings, &($$)->tmp_head);
 		}
+	|	alias_declaration_specifiers IDENTIFIER
+		{
+			struct ctf_node *node;
+
+			add_type(scanner, $2);
+			$$ = $1;
+			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);
+		}
 	;
 
 struct_or_variant_declarator_list:
@@ -1800,12 +1870,13 @@ direct_abstract_declarator:
 			$$->u.type_declarator.type = TYPEDEC_NESTED;
 			$$->u.type_declarator.u.nested.type_declarator = $2;
 		}
-	|	direct_abstract_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
+	|	direct_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
 		{
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
 			$$->u.type_declarator.type = TYPEDEC_NESTED;
 			$$->u.type_declarator.u.nested.type_declarator = $1;
-			$$->u.type_declarator.u.nested.length = $3;
+			CDS_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
 		}
 	|	direct_abstract_declarator LSBRAC RSBRAC
 		{
@@ -1816,114 +1887,120 @@ direct_abstract_declarator:
 		}
 	;
 
-declarator:
-		direct_declarator
+alias_abstract_declarator_list:
+		alias_abstract_declarator
 		{	$$ = $1;	}
-	|	pointer direct_declarator
+	|	alias_abstract_declarator_list COMMA alias_abstract_declarator
+		{
+			$$ = $1;
+			cds_list_add_tail(&($3)->siblings, &($$)->tmp_head);
+		}
+	;
+
+alias_abstract_declarator:
+		direct_alias_abstract_declarator
+		{	$$ = $1;	}
+	|	pointer direct_alias_abstract_declarator
 		{
 			$$ = $2;
 			cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
 		}
 	;
 
-direct_declarator:
-		IDENTIFIER
+direct_alias_abstract_declarator:
+		/* empty */
 		{
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
-			$$->u.type_declarator.type = TYPEDEC_ID;
-			$$->u.type_declarator.u.id = $1->s;
+                        $$->u.type_declarator.type = TYPEDEC_ID;
+			/* id is NULL */
 		}
-	|	LPAREN declarator RPAREN
+	|	LPAREN alias_abstract_declarator RPAREN
 		{
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
 			$$->u.type_declarator.type = TYPEDEC_NESTED;
 			$$->u.type_declarator.u.nested.type_declarator = $2;
 		}
-	|	direct_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
+	|	direct_alias_abstract_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
 		{
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
 			$$->u.type_declarator.type = TYPEDEC_NESTED;
 			$$->u.type_declarator.u.nested.type_declarator = $1;
-			$$->u.type_declarator.u.nested.length = $3;
+			CDS_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
+		}
+	|	direct_alias_abstract_declarator LSBRAC RSBRAC
+		{
+			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
+			$$->u.type_declarator.type = TYPEDEC_NESTED;
+			$$->u.type_declarator.u.nested.type_declarator = $1;
+			$$->u.type_declarator.u.nested.abstract_array = 1;
 		}
 	;
 
-type_declarator:
-		direct_type_declarator
+declarator:
+		direct_declarator
 		{	$$ = $1;	}
-	|	pointer direct_type_declarator
+	|	pointer direct_declarator
 		{
 			$$ = $2;
 			cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
 		}
 	;
 
-direct_type_declarator:
+direct_declarator:
 		IDENTIFIER
 		{
-			add_type(scanner, $1);
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
 			$$->u.type_declarator.type = TYPEDEC_ID;
 			$$->u.type_declarator.u.id = $1->s;
 		}
-	|	LPAREN type_declarator RPAREN
+	|	LPAREN declarator RPAREN
 		{
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
 			$$->u.type_declarator.type = TYPEDEC_NESTED;
 			$$->u.type_declarator.u.nested.type_declarator = $2;
 		}
-	|	direct_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
+	|	direct_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
 		{
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
 			$$->u.type_declarator.type = TYPEDEC_NESTED;
 			$$->u.type_declarator.u.nested.type_declarator = $1;
-			$$->u.type_declarator.u.nested.length = $3;
+			CDS_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
 		}
 	;
 
-abstract_type_declarator:
-		direct_abstract_type_declarator
+type_declarator:
+		direct_type_declarator
 		{	$$ = $1;	}
-	|	pointer direct_abstract_type_declarator
+	|	pointer direct_type_declarator
 		{
 			$$ = $2;
 			cds_list_splice(&($1)->tmp_head, &($$)->u.type_declarator.pointers);
 		}
 	;
 
-direct_abstract_type_declarator:
-		/* empty */
-		{
-			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
-                        $$->u.type_declarator.type = TYPEDEC_ID;
-			/* id is NULL */
-		}
-	|	IDENTIFIER
+direct_type_declarator:
+		IDENTIFIER
 		{
 			add_type(scanner, $1);
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
 			$$->u.type_declarator.type = TYPEDEC_ID;
 			$$->u.type_declarator.u.id = $1->s;
 		}
-	|	LPAREN abstract_type_declarator RPAREN
+	|	LPAREN type_declarator RPAREN
 		{
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
 			$$->u.type_declarator.type = TYPEDEC_NESTED;
 			$$->u.type_declarator.u.nested.type_declarator = $2;
 		}
-	|	direct_abstract_type_declarator LSBRAC type_specifier_or_integer_constant RSBRAC
+	|	direct_type_declarator LSBRAC declaration_specifiers_or_integer_constant RSBRAC
 		{
 			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
 			$$->u.type_declarator.type = TYPEDEC_NESTED;
 			$$->u.type_declarator.u.nested.type_declarator = $1;
-			$$->u.type_declarator.u.nested.length = $3;
-		}
-	|	direct_abstract_type_declarator LSBRAC RSBRAC
-		{
-			$$ = make_node(scanner, NODE_TYPE_DECLARATOR);
-			$$->u.type_declarator.type = TYPEDEC_NESTED;
-			$$->u.type_declarator.u.nested.type_declarator = $1;
-			$$->u.type_declarator.u.nested.abstract_array = 1;
+			CDS_INIT_LIST_HEAD(&($$)->u.type_declarator.u.nested.length);
+			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u.type_declarator.u.nested.length);
 		}
 	;
 
@@ -2008,7 +2085,7 @@ ctf_assignment_expression:
 			_cds_list_splice_tail(&($1)->tmp_head, &($$)->u._typedef.declaration_specifier);
 			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u._typedef.type_declarators);
 		}
-	|	TYPEALIAS declaration_specifiers abstract_declarator_list COLON declaration_specifiers abstract_type_declarator_list
+	|	TYPEALIAS declaration_specifiers abstract_declarator_list COLON alias_declaration_specifiers alias_abstract_declarator_list
 		{
 			$$ = make_node(scanner, NODE_TYPEALIAS);
 			$$->u.typealias.target = make_node(scanner, NODE_TYPEALIAS_TARGET);
@@ -2018,13 +2095,4 @@ ctf_assignment_expression:
 			_cds_list_splice_tail(&($5)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
 			_cds_list_splice_tail(&($6)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
 		}
-	|	TYPEALIAS declaration_specifiers abstract_declarator_list COLON type_declarator_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);
-			_cds_list_splice_tail(&($3)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.declaration_specifier);
-			_cds_list_splice_tail(&($5)->tmp_head, &($$)->u.typealias.alias->u.typealias_alias.type_declarators);
-		}
 	;