rename parser.y to parser_bison.y

The conversion to the autotools need this.

Make sure you remove the autogenerated parser.c and parser.h from
your tree.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>

1 files changed, 0 insertions, 2249 deletions

diff --git a/src/parser.y b/src/parser.y
deleted file mode 100644
index 9108dd22..00000000
--- a/src/parser.y
+++ /dev/null
@@ -1,2249 +0,0 @@
-/*
- * Copyright (c) 2007-2012 Patrick McHardy <kaber@trash.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * Development of this code funded by Astaro AG (http://www.astaro.com/)
- */
-
-%{
-
-#include <stddef.h>
-#include <stdio.h>
-#include <inttypes.h>
-#include <syslog.h>
-#include <netinet/ip.h>
-#include <netinet/if_ether.h>
-#include <linux/netfilter.h>
-#include <linux/netfilter/nf_tables.h>
-#include <linux/netfilter/nf_conntrack_tuple_common.h>
-#include <linux/netfilter/nf_nat.h>
-#include <netinet/ip_icmp.h>
-#include <netinet/icmp6.h>
-#include <libnftnl/common.h>
-#include <libnftnl/set.h>
-
-#include <rule.h>
-#include <statement.h>
-#include <expression.h>
-#include <utils.h>
-#include <parser.h>
-#include <erec.h>
-
-#include "parser.h"
-#include "scanner.h"
-
-void parser_init(struct parser_state *state, struct list_head *msgs)
-{
-	memset(state, 0, sizeof(*state));
-	init_list_head(&state->cmds);
-	init_list_head(&state->top_scope.symbols);
-	state->msgs = msgs;
-	state->scopes[0] = scope_init(&state->top_scope, NULL);
-	state->ectx.msgs = msgs;
-}
-
-static void yyerror(struct location *loc, void *scanner,
-		    struct parser_state *state, const char *s)
-{
-	erec_queue(error(loc, "%s", s), state->msgs);
-}
-
-static struct scope *current_scope(const struct parser_state *state)
-{
-	return state->scopes[state->scope];
-}
-
-static void open_scope(struct parser_state *state, struct scope *scope)
-{
-	assert(state->scope < array_size(state->scopes) - 1);
-	scope_init(scope, current_scope(state));
-	state->scopes[++state->scope] = scope;
-}
-
-static void close_scope(struct parser_state *state)
-{
-	assert(state->scope > 0);
-	state->scope--;
-}
-
-static void location_init(void *scanner, struct parser_state *state,
-			  struct location *loc)
-{
-	memset(loc, 0, sizeof(*loc));
-	loc->indesc = state->indesc;
-}
-
-static void location_update(struct location *loc, struct location *rhs, int n)
-{
-	if (n) {
-		loc->indesc       = rhs[n].indesc;
-		loc->token_offset = rhs[1].token_offset;
-		loc->line_offset  = rhs[1].line_offset;
-		loc->first_line   = rhs[1].first_line;
-		loc->first_column = rhs[1].first_column;
-		loc->last_line    = rhs[n].last_line;
-		loc->last_column  = rhs[n].last_column;
-	} else {
-		loc->indesc       = rhs[0].indesc;
-		loc->token_offset = rhs[0].token_offset;
-		loc->line_offset  = rhs[0].line_offset;
-		loc->first_line   = loc->last_line   = rhs[0].last_line;
-		loc->first_column = loc->last_column = rhs[0].last_column;
-	}
-}
-
-#define YYLLOC_DEFAULT(Current, Rhs, N)	location_update(&Current, Rhs, N)
-
-%}
-
-/* Declaration section */
-
-%name-prefix "nft_"
-%debug
-%pure-parser
-%parse-param		{ void *scanner }
-%parse-param		{ struct parser_state *state }
-%lex-param		{ scanner }
-%error-verbose
-%locations
-
-%initial-action {
-	location_init(scanner, state, &yylloc);
-#ifdef DEBUG
-	if (debug_level & DEBUG_SCANNER)
-		nft_set_debug(1, scanner);
-	if (debug_level & DEBUG_PARSER)
-		yydebug = 1;
-#endif
-}
-
-%union {
-	uint64_t		val;
-	const char *		string;
-
-	struct list_head	*list;
-	struct cmd		*cmd;
-	struct handle		handle;
-	struct table		*table;
-	struct chain		*chain;
-	struct rule		*rule;
-	struct stmt		*stmt;
-	struct expr		*expr;
-	struct set		*set;
-}
-
-%token TOKEN_EOF 0		"end of file"
-%token JUNK			"junk"
-
-%token NEWLINE			"newline"
-%token COLON			"colon"
-%token SEMICOLON		"semicolon"
-%token COMMA			"comma"
-%token DOT			"."
-
-%token EQ			"=="
-%token NEQ			"!="
-%token LT			"<"
-%token GT			">"
-%token GTE			">="
-%token LTE			"<="
-%token LSHIFT			"<<"
-%token RSHIFT			">>"
-%token AMPERSAND		"&"
-%token CARET			"^"
-%token NOT			"!"
-%token SLASH			"/"
-%token ASTERISK			"*"
-%token DASH			"-"
-%token AT			"@"
-%token VMAP			"vmap"
-
-%token INCLUDE			"include"
-%token DEFINE			"define"
-
-%token HOOK			"hook"
-%token TABLE			"table"
-%token TABLES			"tables"
-%token CHAIN			"chain"
-%token CHAINS			"chains"
-%token RULE			"rule"
-%token RULES			"rules"
-%token SETS			"sets"
-%token SET			"set"
-%token ELEMENT			"element"
-%token MAP			"map"
-%token HANDLE			"handle"
-%token RULESET			"ruleset"
-
-%token INET			"inet"
-
-%token ADD			"add"
-%token CREATE			"create"
-%token INSERT			"insert"
-%token DELETE			"delete"
-%token LIST			"list"
-%token FLUSH			"flush"
-%token RENAME			"rename"
-%token DESCRIBE			"describe"
-%token EXPORT			"export"
-%token MONITOR			"monitor"
-
-%token ACCEPT			"accept"
-%token DROP			"drop"
-%token CONTINUE			"continue"
-%token JUMP			"jump"
-%token GOTO			"goto"
-%token RETURN			"return"
-
-%token CONSTANT			"constant"
-%token INTERVAL			"interval"
-%token ELEMENTS			"elements"
-
-%token POLICY			"policy"
-%token MEMORY			"memory"
-%token PERFORMANCE		"performance"
-%token SIZE			"size"
-
-%token <val> NUM		"number"
-%token <string> STRING		"string"
-%token <string> QUOTED_STRING
-%destructor { xfree($$); }	STRING QUOTED_STRING
-
-%token LL_HDR			"ll"
-%token NETWORK_HDR		"nh"
-%token TRANSPORT_HDR		"th"
-
-%token BRIDGE			"bridge"
-
-%token ETHER			"ether"
-%token SADDR			"saddr"
-%token DADDR			"daddr"
-%token TYPE			"type"
-
-%token VLAN			"vlan"
-%token ID			"id"
-%token CFI			"cfi"
-%token PCP			"pcp"
-
-%token ARP			"arp"
-%token HTYPE			"htype"
-%token PTYPE			"ptype"
-%token HLEN			"hlen"
-%token PLEN			"plen"
-%token OPERATION		"operation"
-
-%token IP			"ip"
-%token VERSION			"version"
-%token HDRLENGTH		"hdrlength"
-%token TOS			"tos"
-%token LENGTH			"length"
-%token FRAG_OFF			"frag-off"
-%token TTL			"ttl"
-%token PROTOCOL			"protocol"
-%token CHECKSUM			"checksum"
-
-%token ICMP			"icmp"
-%token CODE			"code"
-%token SEQUENCE			"seq"
-%token GATEWAY			"gateway"
-%token MTU			"mtu"
-
-%token IP6			"ip6"
-%token PRIORITY			"priority"
-%token FLOWLABEL		"flowlabel"
-%token NEXTHDR			"nexthdr"
-%token HOPLIMIT			"hoplimit"
-
-%token ICMP6			"icmpv6"
-%token PPTR			"param-problem"
-%token MAXDELAY			"max-delay"
-
-%token AH			"ah"
-%token RESERVED			"reserved"
-%token SPI			"spi"
-
-%token ESP			"esp"
-
-%token COMP			"comp"
-%token FLAGS			"flags"
-%token CPI			"cpi"
-
-%token UDP			"udp"
-%token SPORT			"sport"
-%token DPORT			"dport"
-%token UDPLITE			"udplite"
-%token CSUMCOV			"csumcov"
-
-%token TCP			"tcp"
-%token ACKSEQ			"ackseq"
-%token DOFF			"doff"
-%token WINDOW			"window"
-%token URGPTR			"urgptr"
-
-%token DCCP			"dccp"
-
-%token SCTP			"sctp"
-%token VTAG			"vtag"
-
-%token RT			"rt"
-%token RT0			"rt0"
-%token RT2			"rt2"
-%token SEG_LEFT			"seg-left"
-%token ADDR			"addr"
-
-%token HBH			"hbh"
-
-%token FRAG			"frag"
-%token RESERVED2		"reserved2"
-%token MORE_FRAGMENTS		"more-fragments"
-
-%token DST			"dst"
-
-%token MH			"mh"
-
-%token META			"meta"
-%token NFPROTO			"nfproto"
-%token L4PROTO			"l4proto"
-%token MARK			"mark"
-%token IIF			"iif"
-%token IIFNAME			"iifname"
-%token IIFTYPE			"iiftype"
-%token OIF			"oif"
-%token OIFNAME			"oifname"
-%token OIFTYPE			"oiftype"
-%token SKUID			"skuid"
-%token SKGID			"skgid"
-%token NFTRACE			"nftrace"
-%token RTCLASSID		"rtclassid"
-%token IBRIPORT			"ibriport"
-%token OBRIPORT			"obriport"
-%token PKTTYPE			"pkttype"
-%token CPU			"cpu"
-%token IIFGROUP			"iifgroup"
-%token OIFGROUP			"oifgroup"
-%token CGROUP			"cgroup"
-
-%token CT			"ct"
-%token DIRECTION		"direction"
-%token STATE			"state"
-%token STATUS			"status"
-%token EXPIRATION		"expiration"
-%token HELPER			"helper"
-%token L3PROTOCOL		"l3proto"
-%token PROTO_SRC		"proto-src"
-%token PROTO_DST		"proto-dst"
-%token LABEL			"label"
-
-%token COUNTER			"counter"
-%token PACKETS			"packets"
-%token BYTES			"bytes"
-
-%token LOG			"log"
-%token PREFIX			"prefix"
-%token GROUP			"group"
-%token SNAPLEN			"snaplen"
-%token QUEUE_THRESHOLD		"queue-threshold"
-%token LEVEL			"level"
-%token LEVEL_EMERG		"emerg"
-%token LEVEL_ALERT		"alert"
-%token LEVEL_CRIT		"crit"
-%token LEVEL_ERR		"err"
-%token LEVEL_WARN		"warn"
-%token LEVEL_NOTICE		"notice"
-%token LEVEL_INFO		"info"
-%token LEVEL_DEBUG		"debug"
-
-%token LIMIT			"limit"
-%token RATE			"rate"
-
-%token NANOSECOND		"nanosecond"
-%token MICROSECOND		"microsecond"
-%token MILLISECOND		"millisecond"
-%token SECOND			"second"
-%token MINUTE			"minute"
-%token HOUR			"hour"
-%token DAY			"day"
-%token WEEK			"week"
-
-%token _REJECT			"reject"
-%token RESET			"reset"
-%token WITH			"with"
-%token ICMPX			"icmpx"
-
-%token SNAT			"snat"
-%token DNAT			"dnat"
-%token MASQUERADE		"masquerade"
-%token REDIRECT			"redirect"
-%token RANDOM			"random"
-%token RANDOM_FULLY		"random-fully"
-%token PERSISTENT		"persistent"
-
-%token QUEUE			"queue"
-%token QUEUENUM			"num"
-%token BYPASS			"bypass"
-%token FANOUT			"fanout"
-
-%token POSITION			"position"
-%token COMMENT			"comment"
-
-%token XML			"xml"
-%token JSON			"json"
-
-%type <string>			identifier string comment_spec
-%destructor { xfree($$); }	identifier string comment_spec
-
-%type <cmd>			line
-%destructor { cmd_free($$); }	line
-
-%type <cmd>			base_cmd add_cmd create_cmd insert_cmd delete_cmd list_cmd flush_cmd rename_cmd export_cmd monitor_cmd describe_cmd
-%destructor { cmd_free($$); }	base_cmd add_cmd create_cmd insert_cmd delete_cmd list_cmd flush_cmd rename_cmd export_cmd monitor_cmd describe_cmd
-
-%type <handle>			table_spec tables_spec chain_spec chain_identifier ruleid_spec ruleset_spec
-%destructor { handle_free(&$$); } table_spec tables_spec chain_spec chain_identifier ruleid_spec ruleset_spec
-%type <handle>			set_spec set_identifier
-%destructor { handle_free(&$$); } set_spec set_identifier
-%type <val>			handle_spec family_spec family_spec_explicit position_spec
-
-%type <table>			table_block_alloc table_block
-%destructor { close_scope(state); table_free($$); }	table_block_alloc
-%type <chain>			chain_block_alloc chain_block
-%destructor { close_scope(state); chain_free($$); }	chain_block_alloc
-%type <rule>			rule
-%destructor { rule_free($$); }	rule
-
-%type <val>			set_flag_list	set_flag
-
-%type <val>			set_policy_spec
-
-%type <set>			set_block_alloc set_block
-%destructor { set_free($$); }	set_block_alloc
-
-%type <set>			map_block_alloc map_block
-%destructor { set_free($$); }	map_block_alloc
-
-%type <list>			stmt_list
-%destructor { stmt_list_free($$); xfree($$); } stmt_list
-%type <stmt>			stmt match_stmt verdict_stmt
-%destructor { stmt_free($$); }	stmt match_stmt verdict_stmt
-%type <stmt>			counter_stmt counter_stmt_alloc
-%destructor { stmt_free($$); }	counter_stmt counter_stmt_alloc
-%type <stmt>			ct_stmt
-%destructor { stmt_free($$); }	ct_stmt
-%type <stmt>			meta_stmt
-%destructor { stmt_free($$); }	meta_stmt
-%type <stmt>			log_stmt log_stmt_alloc
-%destructor { stmt_free($$); }	log_stmt log_stmt_alloc
-%type <val>			level_type
-%type <stmt>			limit_stmt
-%destructor { stmt_free($$); }	limit_stmt
-%type <val>			time_unit
-%type <stmt>			reject_stmt reject_stmt_alloc
-%destructor { stmt_free($$); }	reject_stmt reject_stmt_alloc
-%type <stmt>			nat_stmt nat_stmt_alloc masq_stmt masq_stmt_alloc redir_stmt redir_stmt_alloc
-%destructor { stmt_free($$); }	nat_stmt nat_stmt_alloc masq_stmt masq_stmt_alloc redir_stmt redir_stmt_alloc
-%type <val>			nf_nat_flags nf_nat_flag
-%type <stmt>			queue_stmt queue_stmt_alloc
-%destructor { stmt_free($$); }	queue_stmt queue_stmt_alloc
-%type <val>			queue_stmt_flags queue_stmt_flag
-
-%type <expr>			symbol_expr verdict_expr integer_expr
-%destructor { expr_free($$); }	symbol_expr verdict_expr integer_expr
-%type <expr>			primary_expr shift_expr and_expr
-%destructor { expr_free($$); }	primary_expr shift_expr and_expr
-%type <expr>			exclusive_or_expr inclusive_or_expr
-%destructor { expr_free($$); }	exclusive_or_expr inclusive_or_expr
-%type <expr>			basic_expr
-%destructor { expr_free($$); }	basic_expr
-
-%type <expr>			multiton_expr
-%destructor { expr_free($$); }	multiton_expr
-%type <expr>			prefix_expr range_expr wildcard_expr
-%destructor { expr_free($$); }	prefix_expr range_expr wildcard_expr
-%type <expr>			list_expr
-%destructor { expr_free($$); }	list_expr
-%type <expr>			concat_expr map_lhs_expr
-%destructor { expr_free($$); }	concat_expr map_lhs_expr
-
-%type <expr>			map_expr
-%destructor { expr_free($$); }	map_expr
-
-%type <expr>			verdict_map_stmt
-%destructor { expr_free($$); }	verdict_map_stmt
-
-%type <expr>			verdict_map_expr verdict_map_list_expr verdict_map_list_member_expr
-%destructor { expr_free($$); }	verdict_map_expr verdict_map_list_expr verdict_map_list_member_expr
-
-%type <expr>			set_expr set_list_expr set_list_member_expr
-%destructor { expr_free($$); }	set_expr set_list_expr set_list_member_expr
-
-%type <expr>			expr initializer_expr
-%destructor { expr_free($$); }	expr initializer_expr
-
-%type <expr>			relational_expr
-%destructor { expr_free($$); }	relational_expr
-%type <val>			relational_op
-
-%type <expr>			payload_expr payload_raw_expr
-%destructor { expr_free($$); }	payload_expr payload_raw_expr
-%type <val>			payload_base_spec
-%type <expr>			eth_hdr_expr	vlan_hdr_expr
-%destructor { expr_free($$); }	eth_hdr_expr	vlan_hdr_expr
-%type <val>			eth_hdr_field	vlan_hdr_field
-%type <expr>			arp_hdr_expr
-%destructor { expr_free($$); }	arp_hdr_expr
-%type <val>			arp_hdr_field
-%type <expr>			ip_hdr_expr	icmp_hdr_expr
-%destructor { expr_free($$); }	ip_hdr_expr	icmp_hdr_expr
-%type <val>			ip_hdr_field	icmp_hdr_field
-%type <expr>			ip6_hdr_expr    icmp6_hdr_expr
-%destructor { expr_free($$); }	ip6_hdr_expr	icmp6_hdr_expr
-%type <val>			ip6_hdr_field   icmp6_hdr_field
-%type <expr>			auth_hdr_expr	esp_hdr_expr		comp_hdr_expr
-%destructor { expr_free($$); }	auth_hdr_expr	esp_hdr_expr		comp_hdr_expr
-%type <val>			auth_hdr_field	esp_hdr_field		comp_hdr_field
-%type <expr>			udp_hdr_expr	udplite_hdr_expr	tcp_hdr_expr
-%destructor { expr_free($$); }	udp_hdr_expr	udplite_hdr_expr	tcp_hdr_expr
-%type <val>			udp_hdr_field	udplite_hdr_field	tcp_hdr_field
-%type <expr>			dccp_hdr_expr	sctp_hdr_expr
-%destructor { expr_free($$); }	dccp_hdr_expr	sctp_hdr_expr
-%type <val>			dccp_hdr_field	sctp_hdr_field
-
-%type <expr>			exthdr_expr
-%destructor { expr_free($$); }	exthdr_expr
-%type <expr>			hbh_hdr_expr	frag_hdr_expr		dst_hdr_expr
-%destructor { expr_free($$); }	hbh_hdr_expr	frag_hdr_expr		dst_hdr_expr
-%type <val>			hbh_hdr_field	frag_hdr_field		dst_hdr_field
-%type <expr>			rt_hdr_expr	rt0_hdr_expr		rt2_hdr_expr
-%destructor { expr_free($$); }	rt_hdr_expr	rt0_hdr_expr		rt2_hdr_expr
-%type <val>			rt_hdr_field	rt0_hdr_field		rt2_hdr_field
-%type <expr>			mh_hdr_expr
-%destructor { expr_free($$); }	mh_hdr_expr
-%type <val>			mh_hdr_field
-
-%type <expr>			meta_expr
-%destructor { expr_free($$); }	meta_expr
-%type <val>			meta_key	meta_key_qualified	meta_key_unqualified
-
-%type <expr>			ct_expr
-%destructor { expr_free($$); }	ct_expr
-%type <val>			ct_key
-
-%type <val>			export_format
-%type <string>			monitor_event
-%destructor { xfree($$); }	monitor_event
-%type <val>			monitor_object	monitor_format
-
-%%
-
-input			:	/* empty */
-			|	input		line
-			{
-				if ($2 != NULL) {
-					LIST_HEAD(list);
-
-					$2->location = @2;
-
-					list_add_tail(&$2->list, &list);
-					if (cmd_evaluate(&state->ectx, $2) < 0) {
-						if (++state->nerrs == max_errors)
-							YYABORT;
-					} else
-						list_splice_tail(&list, &state->cmds);
-				}
-			}
-			;
-
-stmt_seperator		:	NEWLINE
-			|	SEMICOLON
-			;
-
-opt_newline		:	NEWLINE
-		 	|	/* empty */
-			;
-
-common_block		:	INCLUDE		QUOTED_STRING	stmt_seperator
-			{
-				if (scanner_include_file(scanner, $2, &@$) < 0) {
-					xfree($2);
-					YYERROR;
-				}
-				xfree($2);
-			}
-			|	DEFINE		identifier	'='	initializer_expr	stmt_seperator
-			{
-				struct scope *scope = current_scope(state);
-
-				if (symbol_lookup(scope, $2) != NULL) {
-					erec_queue(error(&@2, "redfinition of symbol '%s'", $2),
-						   state->msgs);
-					YYERROR;
-				}
-
-				symbol_bind(scope, $2, $4);
-				xfree($2);
-			}
-			|	error		stmt_seperator
-			{
-				if (++state->nerrs == max_errors)
-					YYABORT;
-				yyerrok;
-			}
-			;
-
-line			:	common_block			{ $$ = NULL; }
-			|	stmt_seperator			{ $$ = NULL; }
-			|	base_cmd	stmt_seperator	{ $$ = $1; }
-			|	base_cmd	TOKEN_EOF
-			{
-				/*
-				 * Very hackish workaround for bison >= 2.4: previous versions
-				 * terminated parsing after EOF, 2.4+ tries to get further input
-				 * in 'input' and calls the scanner again, causing a crash when
-				 * the final input buffer has been popped. Terminate manually to
-				 * avoid this. The correct fix should be to adjust the grammar
-				 * to accept EOF in input, but for unknown reasons it does not
-				 * work.
-				 */
-				if ($1 != NULL) {
-					LIST_HEAD(list);
-
-					$1->location = @1;
-
-					list_add_tail(&$1->list, &list);
-					if (cmd_evaluate(&state->ectx, $1) < 0) {
-						if (++state->nerrs == max_errors)
-							YYABORT;
-					} else
-						list_splice_tail(&list, &state->cmds);
-				}
-				$$ = NULL;
-
-				YYACCEPT;
-			}
-			;
-
-base_cmd		:	/* empty */	add_cmd		{ $$ = $1; }
-	  		|	ADD		add_cmd		{ $$ = $2; }
-			|	CREATE		create_cmd	{ $$ = $2; }
-			|	INSERT		insert_cmd	{ $$ = $2; }
-			|	DELETE		delete_cmd	{ $$ = $2; }
-			|	LIST		list_cmd	{ $$ = $2; }
-			|	FLUSH		flush_cmd	{ $$ = $2; }
-			|	RENAME		rename_cmd	{ $$ = $2; }
-			|	EXPORT		export_cmd	{ $$ = $2; }
-			|	MONITOR		monitor_cmd	{ $$ = $2; }
-			|	DESCRIBE	describe_cmd	{ $$ = $2; }
-			;
-
-add_cmd			:	TABLE		table_spec
-			{
-				$$ = cmd_alloc(CMD_ADD, CMD_OBJ_TABLE, &$2, &@$, NULL);
-			}
-			|	TABLE		table_spec	table_block_alloc
-						'{'	table_block	'}'
-			{
-				handle_merge(&$3->handle, &$2);
-				close_scope(state);
-				$$ = cmd_alloc(CMD_ADD, CMD_OBJ_TABLE, &$2, &@$, $5);
-			}
-			|	CHAIN		chain_spec
-			{
-				$$ = cmd_alloc(CMD_ADD, CMD_OBJ_CHAIN, &$2, &@$, NULL);
-			}
-			|	CHAIN		chain_spec	chain_block_alloc
-						'{'	chain_block	'}'
-			{
-				$5->location = @5;
-				handle_merge(&$3->handle, &$2);
-				close_scope(state);
-				$$ = cmd_alloc(CMD_ADD, CMD_OBJ_CHAIN, &$2, &@$, $5);
-			}
-			|	RULE		ruleid_spec	rule
-			{
-				$$ = cmd_alloc(CMD_ADD, CMD_OBJ_RULE, &$2, &@$, $3);
-			}
-			|	/* empty */	ruleid_spec	rule
-			{
-				$$ = cmd_alloc(CMD_ADD, CMD_OBJ_RULE, &$1, &@$, $2);
-			}
-			|	SET		set_spec	set_block_alloc
-						'{'	set_block	'}'
-			{
-				$5->location = @5;
-				handle_merge(&$3->handle, &$2);
-				$$ = cmd_alloc(CMD_ADD, CMD_OBJ_SET, &$2, &@$, $5);
-			}
-			|	MAP		set_spec	map_block_alloc
-						'{'	map_block	'}'
-			{
-				$5->location = @5;
-				handle_merge(&$3->handle, &$2);
-				$$ = cmd_alloc(CMD_ADD, CMD_OBJ_SET, &$2, &@$, $5);
-			}
-			|	ELEMENT		set_spec	set_expr
-			{
-				$$ = cmd_alloc(CMD_ADD, CMD_OBJ_SETELEM, &$2, &@$, $3);
-			}
-			;
-
-create_cmd		:	TABLE		table_spec
-			{
-				$$ = cmd_alloc(CMD_CREATE, CMD_OBJ_TABLE, &$2, &@$, NULL);
-			}
-			|	TABLE		table_spec	table_block_alloc
-						'{'	table_block	'}'
-			{
-				handle_merge(&$3->handle, &$2);
-				close_scope(state);
-				$$ = cmd_alloc(CMD_CREATE, CMD_OBJ_TABLE, &$2, &@$, $5);
-			}
-			|	CHAIN		chain_spec
-			{
-				$$ = cmd_alloc(CMD_CREATE, CMD_OBJ_CHAIN, &$2, &@$, NULL);
-			}
-			|	CHAIN		chain_spec	chain_block_alloc
-						'{'	chain_block	'}'
-			{
-				$5->location = @5;
-				handle_merge(&$3->handle, &$2);
-				close_scope(state);
-				$$ = cmd_alloc(CMD_CREATE, CMD_OBJ_CHAIN, &$2, &@$, $5);
-			}
-			;
-
-insert_cmd		:	RULE		ruleid_spec	rule
-			{
-				$$ = cmd_alloc(CMD_INSERT, CMD_OBJ_RULE, &$2, &@$, $3);
-			}
-			;
-
-delete_cmd		:	TABLE		table_spec
-			{
-				$$ = cmd_alloc(CMD_DELETE, CMD_OBJ_TABLE, &$2, &@$, NULL);
-			}
-			|	CHAIN		chain_spec
-			{
-				$$ = cmd_alloc(CMD_DELETE, CMD_OBJ_CHAIN, &$2, &@$, NULL);
-			}
-			|	RULE		ruleid_spec
-			{
-				$$ = cmd_alloc(CMD_DELETE, CMD_OBJ_RULE, &$2, &@$, NULL);
-			}
-			|	SET		set_spec
-			{
-				$$ = cmd_alloc(CMD_DELETE, CMD_OBJ_SET, &$2, &@$, NULL);
-			}
-			|	MAP		set_spec
-			{
-				$$ = cmd_alloc(CMD_DELETE, CMD_OBJ_SET, &$2, &@$, NULL);
-			}
-			|	ELEMENT		set_spec	set_expr
-			{
-				$$ = cmd_alloc(CMD_DELETE, CMD_OBJ_SETELEM, &$2, &@$, $3);
-			}
-			;
-
-list_cmd		:	TABLE		table_spec
-			{
-				$$ = cmd_alloc(CMD_LIST, CMD_OBJ_TABLE, &$2, &@$, NULL);
-			}
-			|	TABLES		tables_spec
-			{
-				$$ = cmd_alloc(CMD_LIST, CMD_OBJ_TABLE, &$2, &@$, NULL);
-			}
-			|	CHAIN		chain_spec
-			{
-				$$ = cmd_alloc(CMD_LIST, CMD_OBJ_CHAIN, &$2, &@$, NULL);
-			}
-			|	SETS		tables_spec
-			{
-				$$ = cmd_alloc(CMD_LIST, CMD_OBJ_SETS, &$2, &@$, NULL);
-			}
-			|	SET		set_spec
-			{
-				$$ = cmd_alloc(CMD_LIST, CMD_OBJ_SET, &$2, &@$, NULL);
-			}
-			|	RULESET		ruleset_spec
-			{
-				$$ = cmd_alloc(CMD_LIST, CMD_OBJ_RULESET, &$2, &@$, NULL);
-			}
-			;
-
-flush_cmd		:	TABLE		table_spec
-			{
-				$$ = cmd_alloc(CMD_FLUSH, CMD_OBJ_TABLE, &$2, &@$, NULL);
-			}
-			|	CHAIN		chain_spec
-			{
-				$$ = cmd_alloc(CMD_FLUSH, CMD_OBJ_CHAIN, &$2, &@$, NULL);
-			}
-			|	SET		set_spec
-			{
-				$$ = cmd_alloc(CMD_FLUSH, CMD_OBJ_SET, &$2, &@$, NULL);
-			}
-			|	RULESET		ruleset_spec
-			{
-				$$ = cmd_alloc(CMD_FLUSH, CMD_OBJ_RULESET, &$2, &@$, NULL);
-			}
-			;
-
-rename_cmd		:	CHAIN		chain_spec	identifier
-			{
-				$$ = cmd_alloc(CMD_RENAME, CMD_OBJ_CHAIN, &$2, &@$, NULL);
-				$$->arg = $3;
-			}
-			;
-
-export_cmd		:	export_format
-			{
-				struct handle h = { .family = NFPROTO_UNSPEC };
-				struct export *export = export_alloc($1);
-				$$ = cmd_alloc(CMD_EXPORT, CMD_OBJ_EXPORT, &h, &@$, export);
-			}
-			;
-
-monitor_cmd		:	monitor_event	monitor_object	monitor_format
-			{
-				struct handle h = { .family = NFPROTO_UNSPEC };
-				struct monitor *m = monitor_alloc($3, $2, $1);
-				m->location = @1;
-				$$ = cmd_alloc(CMD_MONITOR, CMD_OBJ_MONITOR, &h, &@$, m);
-			}
-			;
-
-monitor_event		:	/* empty */	{ $$ = NULL; }
-			|       STRING		{ $$ = $1; }
-			;
-
-monitor_object		:	/* empty */	{ $$ = CMD_MONITOR_OBJ_ANY; }
-			| 	TABLES		{ $$ = CMD_MONITOR_OBJ_TABLES; }
-			| 	CHAINS		{ $$ = CMD_MONITOR_OBJ_CHAINS; }
-			| 	SETS		{ $$ = CMD_MONITOR_OBJ_SETS; }
-			|	RULES		{ $$ = CMD_MONITOR_OBJ_RULES; }
-			|	ELEMENTS	{ $$ = CMD_MONITOR_OBJ_ELEMS; }
-			;
-
-monitor_format		:	/* empty */	{ $$ = NFT_OUTPUT_DEFAULT; }
-			|	export_format
-			;
-
-export_format		: 	XML 		{ $$ = NFT_OUTPUT_XML; }
-			|	JSON		{ $$ = NFT_OUTPUT_JSON; }
-			;
-
-describe_cmd		:	primary_expr
-			{
-				struct handle h = { .family = NFPROTO_UNSPEC };
-				$$ = cmd_alloc(CMD_DESCRIBE, CMD_OBJ_EXPR, &h, &@$, NULL);
-				$$->expr = $1;
-			}
-			;
-
-table_block_alloc	:	/* empty */
-			{
-				$$ = table_alloc();
-				open_scope(state, &$$->scope);
-			}
-			;
-
-table_block		:	/* empty */	{ $$ = $<table>-1; }
-			|	table_block	common_block
-			|	table_block	stmt_seperator
-			|	table_block	CHAIN		chain_identifier
-					chain_block_alloc	'{' 	chain_block	'}'
-					stmt_seperator
-			{
-				$4->location = @3;
-				handle_merge(&$4->handle, &$3);
-				handle_free(&$3);
-				close_scope(state);
-				list_add_tail(&$4->list, &$1->chains);
-				$$ = $1;
-			}
-			|	table_block	SET		set_identifier
-					set_block_alloc		'{'	set_block	'}'
-					stmt_seperator
-			{
-				$4->location = @3;
-				handle_merge(&$4->handle, &$3);
-				handle_free(&$3);
-				list_add_tail(&$4->list, &$1->sets);
-				$$ = $1;
-			}
-			|	table_block	MAP		set_identifier
-					map_block_alloc		'{'	map_block	'}'
-					stmt_seperator
-			{
-				$4->location = @3;
-				handle_merge(&$4->handle, &$3);
-				handle_free(&$3);
-				list_add_tail(&$4->list, &$1->sets);
-				$$ = $1;
-			}
-			;
-
-chain_block_alloc	:	/* empty */
-			{
-				$$ = chain_alloc(NULL);
-				open_scope(state, &$$->scope);
-			}
-			;
-
-chain_block		:	/* empty */	{ $$ = $<chain>-1; }
-			|	chain_block	common_block
-	     		|	chain_block	stmt_seperator
-			|	chain_block	hook_spec	stmt_seperator
-			|	chain_block	rule		stmt_seperator
-			{
-				list_add_tail(&$2->list, &$1->rules);
-				$$ = $1;
-			}
-			;
-
-set_block_alloc		:	/* empty */
-			{
-				$$ = set_alloc(NULL);
-			}
-			;
-
-set_block		:	/* empty */	{ $$ = $<set>-1; }
-			|	set_block	common_block
-			|	set_block	stmt_seperator
-			|	set_block	TYPE		identifier	stmt_seperator
-			{
-				$1->keytype = datatype_lookup_byname($3);
-				if ($1->keytype == NULL) {
-					erec_queue(error(&@3, "unknown datatype %s", $3),
-						   state->msgs);
-					YYERROR;
-				}
-				$$ = $1;
-			}
-			|	set_block	FLAGS		set_flag_list	stmt_seperator
-			{
-				$1->flags = $3;
-				$$ = $1;
-			}
-			|	set_block	ELEMENTS	'='		set_expr
-			{
-				$1->init = $4;
-				$$ = $1;
-			}
-			|	set_block	set_mechanism	stmt_seperator
-			;
-
-set_flag_list		:	set_flag_list	COMMA		set_flag
-			{
-				$$ = $1 | $3;
-			}
-			|	set_flag
-			;
-
-set_flag		:	CONSTANT	{ $$ = SET_F_CONSTANT; }
-			|	INTERVAL	{ $$ = SET_F_INTERVAL; }
-			;
-
-map_block_alloc		:	/* empty */
-			{
-				$$ = set_alloc(NULL);
-				$$->flags |= NFT_SET_MAP;
-			}
-			;
-
-map_block		:	/* empty */	{ $$ = $<set>-1; }
-			|	map_block	common_block
-			|	map_block	stmt_seperator
-			|	map_block	TYPE
-						identifier	COLON	identifier
-						stmt_seperator
-			{
-				$1->keytype = datatype_lookup_byname($3);
-				if ($1->keytype == NULL) {
-					erec_queue(error(&@3, "unknown datatype %s", $3),
-						   state->msgs);
-					YYERROR;
-				}
-
-				$1->datatype = datatype_lookup_byname($5);
-				if ($1->datatype == NULL) {
-					erec_queue(error(&@5, "unknown datatype %s", $5),
-						   state->msgs);
-					YYERROR;
-				}
-
-				$$ = $1;
-			}
-			|	map_block	FLAGS		set_flag_list	stmt_seperator
-			{
-				$1->flags = $3;
-				$$ = $1;
-			}
-			|	map_block	ELEMENTS	'='		set_expr
-			{
-				$1->init = $4;
-				$$ = $1;
-			}
-			|	map_block	set_mechanism	stmt_seperator
-			;
-
-set_mechanism		:	POLICY		set_policy_spec
-			{
-				$<set>0->policy = $2;
-			}
-			|	SIZE		NUM
-			{
-				$<set>0->desc.size = $2;
-			}
-			;
-
-set_policy_spec		:	PERFORMANCE	{ $$ = NFT_SET_POL_PERFORMANCE; }
-			|	MEMORY		{ $$ = NFT_SET_POL_MEMORY; }
-			;
-
-hook_spec		:	TYPE		STRING		HOOK		STRING		PRIORITY	NUM
-			{
-				$<chain>0->type		= chain_type_name_lookup($2);
-				if ($<chain>0->type == NULL) {
-					erec_queue(error(&@2, "unknown chain type %s", $2),
-						   state->msgs);
-					YYERROR;
-				}
-				$<chain>0->hookstr	= chain_hookname_lookup($4);
-				if ($<chain>0->hookstr == NULL) {
-					erec_queue(error(&@4, "unknown chain hook %s", $4),
-						   state->msgs);
-					YYERROR;
-				}
-				$<chain>0->priority	= $6;
-				$<chain>0->flags	|= CHAIN_F_BASECHAIN;
-			}
-			|	TYPE		STRING		HOOK		STRING		PRIORITY	DASH	NUM
-			{
-				$<chain>0->type		= chain_type_name_lookup($2);
-				if ($<chain>0->type == NULL) {
-					erec_queue(error(&@2, "unknown type name %s", $2),
-						   state->msgs);
-					YYERROR;
-				}
-				$<chain>0->hookstr	= chain_hookname_lookup($4);
-				if ($<chain>0->hookstr == NULL) {
-					erec_queue(error(&@4, "unknown hook name %s", $4),
-						   state->msgs);
-					YYERROR;
-				}
-				$<chain>0->priority	= -$7;
-				$<chain>0->flags	|= CHAIN_F_BASECHAIN;
-			}
-			;
-
-identifier		:	STRING
-			;
-
-string			:	STRING
-			|	QUOTED_STRING
-			;
-
-family_spec		:	/* empty */		{ $$ = NFPROTO_IPV4; }
-			|	family_spec_explicit
-			;
-
-family_spec_explicit	:	IP		{ $$ = NFPROTO_IPV4; }
-			|	IP6		{ $$ = NFPROTO_IPV6; }
-			|	INET		{ $$ = NFPROTO_INET; }
-			|	ARP		{ $$ = NFPROTO_ARP; }
-			|	BRIDGE		{ $$ = NFPROTO_BRIDGE; }
-			;
-
-table_spec		:	family_spec	identifier
-			{
-				memset(&$$, 0, sizeof($$));
-				$$.family	= $1;
-				$$.table	= $2;
-			}
-			;
-
-tables_spec		:	family_spec
-			{
-				memset(&$$, 0, sizeof($$));
-				$$.family	= $1;
-				$$.table	= NULL;
-			}
-			;
-
-chain_spec		:	table_spec	identifier
-			{
-				$$		= $1;
-				$$.chain	= $2;
-			}
-			;
-
-chain_identifier	:	identifier
-			{
-				memset(&$$, 0, sizeof($$));
-				$$.chain	= $1;
-			}
-			;
-
-set_spec		:	table_spec	identifier
-			{
-				$$		= $1;
-				$$.set		= $2;
-			}
-			;
-
-set_identifier		:	identifier
-			{
-				memset(&$$, 0, sizeof($$));
-				$$.set		= $1;
-			}
-			;
-
-handle_spec		:	/* empty */
-			{
-				$$ = 0;
-			}
-			|	HANDLE		NUM
-			{
-				$$ = $2;
-			}
-			;
-
-position_spec		:	/* empty */
-			{
-				$$ = 0;
-			}
-			|	POSITION	NUM
-			{
-				$$ = $2;
-			}
-			;
-
-ruleid_spec		:	chain_spec	handle_spec	position_spec
-			{
-				$$		= $1;
-				$$.handle	= $2;
-				$$.position	= $3;
-			}
-			;
-
-comment_spec		:	/* empty */
-			{
-				$$ = NULL;
-			}
-			|	COMMENT		string
-			{
-				$$ = $2;
-			}
-			;
-
-ruleset_spec		:	/* empty */
-			{
-				memset(&$$, 0, sizeof($$));
-				$$.family	= NFPROTO_UNSPEC;
-			}
-			|	family_spec_explicit
-			{
-				memset(&$$, 0, sizeof($$));
-				$$.family	= $1;
-			}
-			;
-
-rule			:	stmt_list	comment_spec
-			{
-				struct stmt *i;
-
-				$$ = rule_alloc(&@$, NULL);
-				$$->handle.comment = $2;
-				list_for_each_entry(i, $1, list)
-					$$->num_stmts++;
-				list_splice_tail($1, &$$->stmts);
-				xfree($1);
-			}
-			;
-
-stmt_list		:	stmt
-			{
-				$$ = xmalloc(sizeof(*$$));
-				init_list_head($$);
-				list_add_tail(&$1->list, $$);
-			}
-			|	stmt_list		stmt
-			{
-				$$ = $1;
-				list_add_tail(&$2->list, $1);
-			}
-			;
-
-stmt			:	verdict_stmt
-			|	match_stmt
-			|	counter_stmt
-			|	meta_stmt
-			|	log_stmt
-			|	limit_stmt
-			|	reject_stmt
-			|	nat_stmt
-			|	queue_stmt
-			|	ct_stmt
-			|	masq_stmt
-			|	redir_stmt
-			;
-
-verdict_stmt		:	verdict_expr
-			{
-				$$ = verdict_stmt_alloc(&@$, $1);
-			}
-			|	verdict_map_stmt
-			{
-				$$ = verdict_stmt_alloc(&@$, $1);
-			}
-			;
-
-verdict_map_stmt	:	concat_expr	VMAP	verdict_map_expr
-			{
-				$$ = map_expr_alloc(&@$, $1, $3);
-			}
-			;
-
-verdict_map_expr	:	'{'	verdict_map_list_expr	'}'
-			{
-				$2->location = @$;
-				$$ = $2;
-			}
-			;
-
-verdict_map_list_expr	:	verdict_map_list_member_expr
-			{
-				$$ = set_expr_alloc(&@$);
-				compound_expr_add($$, $1);
-			}
-			|	verdict_map_list_expr	COMMA	verdict_map_list_member_expr
-			{
-				compound_expr_add($1, $3);
-				$$ = $1;
-			}
-			|	verdict_map_list_expr	COMMA	opt_newline
-			;
-
-verdict_map_list_member_expr:	opt_newline	map_lhs_expr	COLON	verdict_expr	opt_newline
-			{
-				$$ = mapping_expr_alloc(&@$, $2, $4);
-			}
-			;
-
-
-counter_stmt		:	counter_stmt_alloc
-			|	counter_stmt_alloc	counter_args
-
-counter_stmt_alloc	:	COUNTER
-			{
-				$$ = counter_stmt_alloc(&@$);
-			}
-			;
-
-counter_args		:	counter_arg
-			{
-				$<stmt>$	= $<stmt>0;
-			}
-			|	counter_args	counter_arg
-			;
-
-counter_arg		:	PACKETS			NUM
-			{
-				$<stmt>0->counter.packets = $2;
-			}
-			|	BYTES			NUM
-			{
-				$<stmt>0->counter.bytes	 = $2;
-			}
-			;
-
-log_stmt		:	log_stmt_alloc
-			|	log_stmt_alloc		log_args
-			;
-
-log_stmt_alloc		:	LOG
-			{
-				$$ = log_stmt_alloc(&@$);
-			}
-			;
-
-log_args		:	log_arg
-			{
-				$<stmt>$	= $<stmt>0;
-			}
-			|	log_args	log_arg
-			;
-
-log_arg			:	PREFIX			string
-			{
-				$<stmt>0->log.prefix	 = $2;
-				$<stmt>0->log.flags 	|= STMT_LOG_PREFIX;
-			}
-			|	GROUP			NUM
-			{
-				$<stmt>0->log.group	 = $2;
-				$<stmt>0->log.flags 	|= STMT_LOG_GROUP;
-			}
-			|	SNAPLEN			NUM
-			{
-				$<stmt>0->log.snaplen	 = $2;
-				$<stmt>0->log.flags 	|= STMT_LOG_SNAPLEN;
-			}
-			|	QUEUE_THRESHOLD		NUM
-			{
-				$<stmt>0->log.qthreshold = $2;
-				$<stmt>0->log.flags 	|= STMT_LOG_QTHRESHOLD;
-			}
-			|	LEVEL			level_type
-			{
-				$<stmt>0->log.level	= $2;
-				$<stmt>0->log.flags 	|= STMT_LOG_LEVEL;
-			}
-			;
-
-level_type		:	LEVEL_EMERG	{ $$ = LOG_EMERG; }
-			|	LEVEL_ALERT	{ $$ = LOG_ALERT; }
-			|	LEVEL_CRIT	{ $$ = LOG_CRIT; }
-			|	LEVEL_ERR	{ $$ = LOG_ERR; }
-			|	LEVEL_WARN	{ $$ = LOG_WARNING; }
-			|	LEVEL_NOTICE	{ $$ = LOG_NOTICE; }
-			|	LEVEL_INFO	{ $$ = LOG_INFO; }
-			|	LEVEL_DEBUG	{ $$ = LOG_DEBUG; }
-			;
-
-limit_stmt		:	LIMIT	RATE	NUM	SLASH	time_unit
-	    		{
-				$$ = limit_stmt_alloc(&@$);
-				$$->limit.rate	= $3;
-				$$->limit.unit	= $5;
-			}
-			;
-
-time_unit		:	SECOND		{ $$ = 1ULL; }
-			|	MINUTE		{ $$ = 1ULL * 60; }
-			|	HOUR		{ $$ = 1ULL * 60 * 60; }
-			|	DAY		{ $$ = 1ULL * 60 * 60 * 24; }
-			|	WEEK		{ $$ = 1ULL * 60 * 60 * 24 * 7; }
-			;
-
-reject_stmt		:	reject_stmt_alloc	reject_opts
-			;
-
-reject_stmt_alloc	:	_REJECT
-			{
-				$$ = reject_stmt_alloc(&@$);
-			}
-			;
-
-reject_opts		:       /* empty */
-			{
-				$<stmt>0->reject.type = -1;
-				$<stmt>0->reject.icmp_code = -1;
-			}
-			|	WITH	ICMP	TYPE	STRING
-			{
-				$<stmt>0->reject.family = NFPROTO_IPV4;
-				$<stmt>0->reject.type = NFT_REJECT_ICMP_UNREACH;
-				$<stmt>0->reject.expr =
-					symbol_expr_alloc(&@$, SYMBOL_VALUE,
-							  current_scope(state),
-							  $4);
-				$<stmt>0->reject.expr->dtype = &icmp_code_type;
-			}
-			|	WITH	ICMP6	TYPE	STRING
-			{
-				$<stmt>0->reject.family = NFPROTO_IPV6;
-				$<stmt>0->reject.type = NFT_REJECT_ICMP_UNREACH;
-				$<stmt>0->reject.expr =
-					symbol_expr_alloc(&@$, SYMBOL_VALUE,
-							  current_scope(state),
-							  $4);
-				$<stmt>0->reject.expr->dtype = &icmpv6_code_type;
-			}
-			|	WITH	ICMPX	TYPE	STRING
-			{
-				$<stmt>0->reject.type = NFT_REJECT_ICMPX_UNREACH;
-				$<stmt>0->reject.expr =
-					symbol_expr_alloc(&@$, SYMBOL_VALUE,
-							  current_scope(state),
-							  $4);
-				$<stmt>0->reject.expr->dtype = &icmpx_code_type;
-			}
-			|	WITH	TCP	RESET
-			{
-				$<stmt>0->reject.type = NFT_REJECT_TCP_RST;
-			}
-			;
-
-nat_stmt		:	nat_stmt_alloc	nat_stmt_args
-			;
-
-nat_stmt_alloc		:	SNAT
-			{
-				$$ = nat_stmt_alloc(&@$);
-				$$->nat.type = NFT_NAT_SNAT;
-			}
-			|	DNAT
-			{
-				$$ = nat_stmt_alloc(&@$);
-				$$->nat.type = NFT_NAT_DNAT;
-			}
-			;
-
-nat_stmt_args		:	expr
-			{
-				$<stmt>0->nat.addr = $1;
-			}
-			|	expr	COLON	expr
-			{
-				$<stmt>0->nat.addr = $1;
-				$<stmt>0->nat.proto = $3;
-			}
-			|	COLON	expr
-			{
-				$<stmt>0->nat.proto = $2;
-			}
-			|	nat_stmt_args	nf_nat_flags
-			{
-				$<stmt>0->nat.flags = $2;
-			}
-			;
-
-masq_stmt		:	masq_stmt_alloc
-			|	masq_stmt_alloc	nf_nat_flags
-			{
-				$$ = $1;
-				$$->masq.flags = $2;
-			}
-			;
-
-masq_stmt_alloc		:	MASQUERADE 	{ $$ = masq_stmt_alloc(&@$); }
-			;
-
-redir_stmt		:	redir_stmt_alloc	redir_stmt_arg
-			|	redir_stmt_alloc
-			;
-
-redir_stmt_alloc	:	REDIRECT	{ $$ = redir_stmt_alloc(&@$); }
-			;
-
-redir_stmt_arg		:	COLON	expr
-			{
-				$<stmt>0->redir.proto = $2;
-			}
-			|	nf_nat_flags
-			{
-				$<stmt>0->redir.flags = $1;
-			}
-			|	COLON	expr	nf_nat_flags
-			{
-				$<stmt>0->redir.proto = $2;
-				$<stmt>0->redir.flags = $3;
-			}
-			;
-
-nf_nat_flags		:	nf_nat_flag
-			|	nf_nat_flags	COMMA	nf_nat_flag
-			{
-				$$ = $1 | $3;
-			}
-			;
-
-nf_nat_flag		:	RANDOM		{ $$ = NF_NAT_RANGE_PROTO_RANDOM; }
-			|	RANDOM_FULLY	{ $$ = NF_NAT_RANGE_PROTO_RANDOM_FULLY; }
-			|	PERSISTENT 	{ $$ = NF_NAT_RANGE_PERSISTENT; }
-			;
-
-queue_stmt		:	queue_stmt_alloc
-			|	queue_stmt_alloc	queue_stmt_args
-			;
-
-queue_stmt_alloc	:	QUEUE
-			{
-				$$ = queue_stmt_alloc(&@$);
-			}
-			;
-
-queue_stmt_args		:	queue_stmt_arg
-			{
-				$<stmt>$	= $<stmt>0;
-			}
-			|	queue_stmt_args	queue_stmt_arg
-			;
-
-queue_stmt_arg		:	QUEUENUM	expr
-			{
-				$<stmt>0->queue.queue = $2;
-			}
-			|	queue_stmt_flags
-			{
-				$<stmt>0->queue.flags |= $1;
-			}
-			;
-
-queue_stmt_flags	:	queue_stmt_flag
-			|	queue_stmt_flags	COMMA	queue_stmt_flag
-			{
-				$$ = $1 | $3;
-			}
-			;
-
-queue_stmt_flag		:	BYPASS	{ $$ = NFT_QUEUE_FLAG_BYPASS; }
-			|	FANOUT	{ $$ = NFT_QUEUE_FLAG_CPU_FANOUT; }
-			;
-
-match_stmt		:	relational_expr
-			{
-				$$ = expr_stmt_alloc(&@$, $1);
-			}
-			;
-
-symbol_expr		:	string
-			{
-				$$ = symbol_expr_alloc(&@$, SYMBOL_VALUE,
-						       current_scope(state),
-						       $1);
-				xfree($1);
-			}
-			|	'$'	identifier
-			{
-				struct scope *scope = current_scope(state);
-
-				if (symbol_lookup(scope, $2) == NULL) {
-					erec_queue(error(&@2, "unknown identifier '%s'", $2),
-						   state->msgs);
-					YYERROR;
-				}
-
-				$$ = symbol_expr_alloc(&@$, SYMBOL_DEFINE,
-						       scope, $2);
-				xfree($2);
-			}
-			|	AT	identifier
-			{
-				$$ = symbol_expr_alloc(&@$, SYMBOL_SET,
-						       current_scope(state),
-						       $2);
-				xfree($2);
-			}
-			;
-
-integer_expr		:	NUM
-			{
-				char str[64];
-
-				snprintf(str, sizeof(str), "%" PRIu64, $1);
-				$$ = symbol_expr_alloc(&@$, SYMBOL_VALUE,
-						       current_scope(state),
-						       str);
-			}
-			;
-
-primary_expr		:	symbol_expr			{ $$ = $1; }
-			|	integer_expr			{ $$ = $1; }
-			|	payload_expr			{ $$ = $1; }
-			|	exthdr_expr			{ $$ = $1; }
-			|	meta_expr			{ $$ = $1; }
-			|	ct_expr				{ $$ = $1; }
-			|	'('	basic_expr	')'	{ $$ = $2; }
-			;
-
-shift_expr		:	primary_expr
-			|	shift_expr		LSHIFT		primary_expr
-			{
-				$$ = binop_expr_alloc(&@$, OP_LSHIFT, $1, $3);
-			}
-			|	shift_expr		RSHIFT		primary_expr
-			{
-				$$ = binop_expr_alloc(&@$, OP_RSHIFT, $1, $3);
-			}
-			;
-
-and_expr		:	shift_expr
-			|	and_expr		AMPERSAND	shift_expr
-			{
-				$$ = binop_expr_alloc(&@$, OP_AND, $1, $3);
-			}
-			;
-
-exclusive_or_expr	:	and_expr
-			|	exclusive_or_expr	CARET		and_expr
-			{
-				$$ = binop_expr_alloc(&@$, OP_XOR, $1, $3);
-			}
-			;
-
-inclusive_or_expr	:	exclusive_or_expr
-			|	inclusive_or_expr	'|'		exclusive_or_expr
-			{
-				$$ = binop_expr_alloc(&@$, OP_OR, $1, $3);
-			}
-			;
-
-basic_expr		:	inclusive_or_expr
-			;
-
-concat_expr		:	basic_expr
-			|	concat_expr		DOT		basic_expr
-			{
-				if ($$->ops->type != EXPR_CONCAT) {
-					$$ = concat_expr_alloc(&@$);
-					compound_expr_add($$, $1);
-				} else {
-					struct location rhs[] = {
-						[1]	= @2,
-						[2]	= @3,
-					};
-					location_update(&$3->location, rhs, 2);
-
-					$$ = $1;
-					$$->location = @$;
-				}
-				compound_expr_add($$, $3);
-			}
-			;
-
-list_expr		:	basic_expr		COMMA		basic_expr
-			{
-				$$ = list_expr_alloc(&@$);
-				compound_expr_add($$, $1);
-				compound_expr_add($$, $3);
-			}
-			|	list_expr		COMMA		basic_expr
-			{
-				$1->location = @$;
-				compound_expr_add($1, $3);
-				$$ = $1;
-			}
-			;
-
-prefix_expr		:	basic_expr		SLASH	NUM
-			{
-				$$ = prefix_expr_alloc(&@$, $1, $3);
-			}
-			;
-
-range_expr		:	basic_expr		DASH	basic_expr
-			{
-				$$ = range_expr_alloc(&@$, $1, $3);
-			}
-			;
-
-wildcard_expr		:	ASTERISK
-	       		{
-				struct expr *expr;
-
-				expr = constant_expr_alloc(&@$, &integer_type,
-							   BYTEORDER_HOST_ENDIAN,
-							   0, NULL);
-				$$ = prefix_expr_alloc(&@$, expr, 0);
-			}
-			;
-
-multiton_expr		:	prefix_expr
-			|	range_expr
-			|	wildcard_expr
-			;
-
-map_lhs_expr		:	multiton_expr
-			|	concat_expr
-			;
-
-map_expr		:	concat_expr	MAP	expr
-			{
-				$$ = map_expr_alloc(&@$, $1, $3);
-			}
-			;
-
-expr			:	concat_expr
-			|	set_expr
-			|       map_expr
-			|	multiton_expr
-			;
-
-set_expr		:	'{'	set_list_expr		'}'
-			{
-				$2->location = @$;
-				$$ = $2;
-			}
-			;
-
-set_list_expr		:	set_list_member_expr
-			{
-				$$ = set_expr_alloc(&@$);
-				compound_expr_add($$, $1);
-			}
-			|	set_list_expr		COMMA	set_list_member_expr
-			{
-				compound_expr_add($1, $3);
-				$$ = $1;
-			}
-			|	set_list_expr		COMMA	opt_newline
-			;
-
-set_list_member_expr	:	opt_newline	expr	opt_newline
-			{
-				$$ = $2;
-			}
-			|	opt_newline	map_lhs_expr	COLON	concat_expr	opt_newline
-			{
-				$$ = mapping_expr_alloc(&@$, $2, $4);
-			}
-			;
-
-initializer_expr	:	expr
-			|	list_expr
-			;
-
-relational_expr		:	expr	/* implicit */	expr
-			{
-				$$ = relational_expr_alloc(&@$, OP_IMPLICIT, $1, $2);
-			}
-			|	expr	/* implicit */	list_expr
-			{
-				$$ = relational_expr_alloc(&@$, OP_FLAGCMP, $1, $2);
-			}
-			|	expr	relational_op	expr
-			{
-				$$ = relational_expr_alloc(&@2, $2, $1, $3);
-			}
-			;
-
-relational_op		:	EQ		{ $$ = OP_EQ; }
-			|	NEQ		{ $$ = OP_NEQ; }
-			|	LT		{ $$ = OP_LT; }
-			|	GT		{ $$ = OP_GT; }
-			|	GTE		{ $$ = OP_GTE; }
-			|	LTE		{ $$ = OP_LTE; }
-			;
-
-verdict_expr		:	ACCEPT
-			{
-				$$ = verdict_expr_alloc(&@$, NF_ACCEPT, NULL);
-			}
-			|	DROP
-			{
-				$$ = verdict_expr_alloc(&@$, NF_DROP, NULL);
-			}
-			|	CONTINUE
-			{
-				$$ = verdict_expr_alloc(&@$, NFT_CONTINUE, NULL);
-			}
-			|	JUMP			identifier
-			{
-				$$ = verdict_expr_alloc(&@$, NFT_JUMP, $2);
-			}
-			|	GOTO			identifier
-			{
-				$$ = verdict_expr_alloc(&@$, NFT_GOTO, $2);
-			}
-			|	RETURN
-			{
-				$$ = verdict_expr_alloc(&@$, NFT_RETURN, NULL);
-			}
-			;
-
-meta_expr		:	META	meta_key
-			{
-				$$ = meta_expr_alloc(&@$, $2);
-			}
-			|	meta_key_unqualified
-			{
-				$$ = meta_expr_alloc(&@$, $1);
-			}
-			;
-
-meta_key		:	meta_key_qualified
-			|	meta_key_unqualified
-			;
-
-meta_key_qualified	:	LENGTH		{ $$ = NFT_META_LEN; }
-			|	NFPROTO		{ $$ = NFT_META_NFPROTO; }
-			|	L4PROTO		{ $$ = NFT_META_L4PROTO; }
-			|	PROTOCOL	{ $$ = NFT_META_PROTOCOL; }
-			|	PRIORITY	{ $$ = NFT_META_PRIORITY; }
-			;
-
-meta_key_unqualified	:	MARK		{ $$ = NFT_META_MARK; }
-			|	IIF		{ $$ = NFT_META_IIF; }
-			|	IIFNAME		{ $$ = NFT_META_IIFNAME; }
-			|	IIFTYPE		{ $$ = NFT_META_IIFTYPE; }
-			|	OIF		{ $$ = NFT_META_OIF; }
-			|	OIFNAME		{ $$ = NFT_META_OIFNAME; }
-			|	OIFTYPE		{ $$ = NFT_META_OIFTYPE; }
-			|	SKUID		{ $$ = NFT_META_SKUID; }
-			|	SKGID		{ $$ = NFT_META_SKGID; }
-			|	NFTRACE		{ $$ = NFT_META_NFTRACE; }
-			|	RTCLASSID	{ $$ = NFT_META_RTCLASSID; }
-			|	IBRIPORT	{ $$ = NFT_META_BRI_IIFNAME; }
-			|       OBRIPORT	{ $$ = NFT_META_BRI_OIFNAME; }
-			|       PKTTYPE		{ $$ = NFT_META_PKTTYPE; }
-			|       CPU		{ $$ = NFT_META_CPU; }
-			|       IIFGROUP	{ $$ = NFT_META_IIFGROUP; }
-			|       OIFGROUP	{ $$ = NFT_META_OIFGROUP; }
-			|       CGROUP		{ $$ = NFT_META_CGROUP; }
-			;
-
-meta_stmt		:	META	meta_key	SET	expr
-			{
-				$$ = meta_stmt_alloc(&@$, $2, $4);
-			}
-			|	meta_key_unqualified	SET	expr
-			{
-				$$ = meta_stmt_alloc(&@$, $1, $3);
-			}
-			;
-
-ct_expr			:	CT	ct_key
-			{
-				$$ = ct_expr_alloc(&@$, $2);
-			}
-			;
-
-ct_key			:	STATE		{ $$ = NFT_CT_STATE; }
-			|	DIRECTION	{ $$ = NFT_CT_DIRECTION; }
-			|	STATUS		{ $$ = NFT_CT_STATUS; }
-			|	MARK		{ $$ = NFT_CT_MARK; }
-			|	EXPIRATION	{ $$ = NFT_CT_EXPIRATION; }
-			|	HELPER		{ $$ = NFT_CT_HELPER; }
-			|	L3PROTOCOL	{ $$ = NFT_CT_L3PROTOCOL; }
-			|	SADDR		{ $$ = NFT_CT_SRC; }
-			|	DADDR		{ $$ = NFT_CT_DST; }
-			|	PROTOCOL	{ $$ = NFT_CT_PROTOCOL; }
-			|	PROTO_SRC	{ $$ = NFT_CT_PROTO_SRC; }
-			|	PROTO_DST	{ $$ = NFT_CT_PROTO_DST; }
-			|	LABEL		{ $$ = NFT_CT_LABELS; }
-			;
-
-ct_stmt			:	CT	ct_key		SET	expr
-			{
-				$$ = ct_stmt_alloc(&@$, $2, $4);
-			}
-			;
-
-payload_expr		:	payload_raw_expr
-			|	eth_hdr_expr
-			|	vlan_hdr_expr
-			|	arp_hdr_expr
-			|	ip_hdr_expr
-			|	icmp_hdr_expr
-			|	ip6_hdr_expr
-			|	icmp6_hdr_expr
-			|	auth_hdr_expr
-			|	esp_hdr_expr
-			|	comp_hdr_expr
-			|	udp_hdr_expr
-			|	udplite_hdr_expr
-			|	tcp_hdr_expr
-			|	dccp_hdr_expr
-			|	sctp_hdr_expr
-			;
-
-payload_raw_expr	:	AT	payload_base_spec	COMMA	NUM	COMMA	NUM
-			{
-				$$ = payload_expr_alloc(&@$, NULL, 0);
-				$$->payload.base	= $2;
-				$$->payload.offset	= $4;
-				$$->len			= $6;
-				$$->dtype		= &integer_type;
-			}
-			;
-
-payload_base_spec	:	LL_HDR		{ $$ = PROTO_BASE_LL_HDR; }
-			|	NETWORK_HDR	{ $$ = PROTO_BASE_NETWORK_HDR; }
-			|	TRANSPORT_HDR	{ $$ = PROTO_BASE_TRANSPORT_HDR; }
-			;
-
-eth_hdr_expr		:	ETHER	eth_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_eth, $2);
-			}
-			|	ETHER
-			{
-				$$ = symbol_expr_alloc(&@$, SYMBOL_VALUE,
-						       current_scope(state),
-						       "ether");
-			}
-			;
-
-eth_hdr_field		:	SADDR		{ $$ = ETHHDR_SADDR; }
-			|	DADDR		{ $$ = ETHHDR_DADDR; }
-			|	TYPE		{ $$ = ETHHDR_TYPE; }
-			;
-
-vlan_hdr_expr		:	VLAN	vlan_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_vlan, $2);
-			}
-			|	VLAN
-			{
-				$$ = symbol_expr_alloc(&@$, SYMBOL_VALUE,
-						       current_scope(state),
-						       "vlan");
-			}
-			;
-
-vlan_hdr_field		:	ID		{ $$ = VLANHDR_VID; }
-			|	CFI		{ $$ = VLANHDR_CFI; }
-			|	PCP		{ $$ = VLANHDR_PCP; }
-			|	TYPE		{ $$ = VLANHDR_TYPE; }
-			;
-
-arp_hdr_expr		:	ARP	arp_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_arp, $2);
-			}
-			|	ARP
-			{
-				$$ = symbol_expr_alloc(&@$, SYMBOL_VALUE,
-						       current_scope(state),
-						       "arp");
-			}
-			;
-
-arp_hdr_field		:	HTYPE		{ $$ = ARPHDR_HRD; }
-			|	PTYPE		{ $$ = ARPHDR_PRO; }
-			|	HLEN		{ $$ = ARPHDR_HLN; }
-			|	PLEN		{ $$ = ARPHDR_PLN; }
-			|	OPERATION	{ $$ = ARPHDR_OP; }
-			;
-
-ip_hdr_expr		:	IP	ip_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_ip, $2);
-			}
-			|	IP
-			{
-				$$ = symbol_expr_alloc(&@$, SYMBOL_VALUE,
-						       current_scope(state),
-						       "ip");
-			}
-			;
-
-ip_hdr_field		:	VERSION		{ $$ = IPHDR_VERSION; }
-			|	HDRLENGTH	{ $$ = IPHDR_HDRLENGTH; }
-			|	TOS		{ $$ = IPHDR_TOS; }
-			|	LENGTH		{ $$ = IPHDR_LENGTH; }
-			|	ID		{ $$ = IPHDR_ID; }
-			|	FRAG_OFF	{ $$ = IPHDR_FRAG_OFF; }
-			|	TTL		{ $$ = IPHDR_TTL; }
-			|	PROTOCOL	{ $$ = IPHDR_PROTOCOL; }
-			|	CHECKSUM	{ $$ = IPHDR_CHECKSUM; }
-			|	SADDR		{ $$ = IPHDR_SADDR; }
-			|	DADDR		{ $$ = IPHDR_DADDR; }
-			;
-
-icmp_hdr_expr		:	ICMP	icmp_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_icmp, $2);
-			}
-			|	ICMP
-			{
-				uint8_t data = IPPROTO_ICMP;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-icmp_hdr_field		:	TYPE		{ $$ = ICMPHDR_TYPE; }
-			|	CODE		{ $$ = ICMPHDR_CODE; }
-			|	CHECKSUM	{ $$ = ICMPHDR_CHECKSUM; }
-			|	ID		{ $$ = ICMPHDR_ID; }
-			|	SEQUENCE	{ $$ = ICMPHDR_SEQ; }
-			|	GATEWAY		{ $$ = ICMPHDR_GATEWAY; }
-			|	MTU		{ $$ = ICMPHDR_MTU; }
-			;
-
-ip6_hdr_expr		:	IP6	ip6_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_ip6, $2);
-			}
-			|	IP6
-			{
-				$$ = symbol_expr_alloc(&@$, SYMBOL_VALUE,
-						       current_scope(state),
-						       "ip6");
-			}
-			;
-
-ip6_hdr_field		:	VERSION		{ $$ = IP6HDR_VERSION; }
-			|	PRIORITY	{ $$ = IP6HDR_PRIORITY; }
-			|	FLOWLABEL	{ $$ = IP6HDR_FLOWLABEL; }
-			|	LENGTH		{ $$ = IP6HDR_LENGTH; }
-			|	NEXTHDR		{ $$ = IP6HDR_NEXTHDR; }
-			|	HOPLIMIT	{ $$ = IP6HDR_HOPLIMIT; }
-			|	SADDR		{ $$ = IP6HDR_SADDR; }
-			|	DADDR		{ $$ = IP6HDR_DADDR; }
-			;
-icmp6_hdr_expr		:	ICMP6	icmp6_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_icmp6, $2);
-			}
-			|	ICMP6
-			{
-				uint8_t data = IPPROTO_ICMPV6;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-icmp6_hdr_field		:	TYPE		{ $$ = ICMP6HDR_TYPE; }
-			|	CODE		{ $$ = ICMP6HDR_CODE; }
-			|	CHECKSUM	{ $$ = ICMP6HDR_CHECKSUM; }
-			|	PPTR		{ $$ = ICMP6HDR_PPTR; }
-			|	MTU		{ $$ = ICMP6HDR_MTU; }
-			|	ID		{ $$ = ICMP6HDR_ID; }
-			|	SEQUENCE	{ $$ = ICMP6HDR_SEQ; }
-			|	MAXDELAY	{ $$ = ICMP6HDR_MAXDELAY; }
-			;
-
-auth_hdr_expr		:	AH	auth_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_ah, $2);
-			}
-			|	AH
-			{
-				uint8_t data = IPPROTO_AH;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-auth_hdr_field		:	NEXTHDR		{ $$ = AHHDR_NEXTHDR; }
-			|	HDRLENGTH	{ $$ = AHHDR_HDRLENGTH; }
-			|	RESERVED	{ $$ = AHHDR_RESERVED; }
-			|	SPI		{ $$ = AHHDR_SPI; }
-			|	SEQUENCE	{ $$ = AHHDR_SEQUENCE; }
-			;
-
-esp_hdr_expr		:	ESP	esp_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_esp, $2);
-			}
-			|	ESP
-			{
-				uint8_t data = IPPROTO_ESP;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-esp_hdr_field		:	SPI		{ $$ = ESPHDR_SPI; }
-			|	SEQUENCE	{ $$ = ESPHDR_SEQUENCE; }
-			;
-
-comp_hdr_expr		:	COMP	comp_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_comp, $2);
-			}
-			|	COMP
-			{
-				uint8_t data = IPPROTO_COMP;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-comp_hdr_field		:	NEXTHDR		{ $$ = COMPHDR_NEXTHDR; }
-			|	FLAGS		{ $$ = COMPHDR_FLAGS; }
-			|	CPI		{ $$ = COMPHDR_CPI; }
-			;
-
-udp_hdr_expr		:	UDP	udp_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_udp, $2);
-			}
-			|	UDP
-			{
-				uint8_t data = IPPROTO_UDP;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-udp_hdr_field		:	SPORT		{ $$ = UDPHDR_SPORT; }
-			|	DPORT		{ $$ = UDPHDR_DPORT; }
-			|	LENGTH		{ $$ = UDPHDR_LENGTH; }
-			|	CHECKSUM	{ $$ = UDPHDR_CHECKSUM; }
-			;
-
-udplite_hdr_expr	:	UDPLITE	udplite_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_udplite, $2);
-			}
-			|	UDPLITE
-			{
-				uint8_t data = IPPROTO_UDPLITE;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-udplite_hdr_field	:	SPORT		{ $$ = UDPHDR_SPORT; }
-			|	DPORT		{ $$ = UDPHDR_DPORT; }
-			|	CSUMCOV		{ $$ = UDPHDR_LENGTH; }
-			|	CHECKSUM	{ $$ = UDPHDR_CHECKSUM; }
-			;
-
-tcp_hdr_expr		:	TCP	tcp_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_tcp, $2);
-			}
-			|	TCP
-			{
-				uint8_t data = IPPROTO_TCP;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-tcp_hdr_field		:	SPORT		{ $$ = TCPHDR_SPORT; }
-			|	DPORT		{ $$ = TCPHDR_DPORT; }
-			|	SEQUENCE	{ $$ = TCPHDR_SEQ; }
-			|	ACKSEQ		{ $$ = TCPHDR_ACKSEQ; }
-			|	DOFF		{ $$ = TCPHDR_DOFF; }
-			|	RESERVED	{ $$ = TCPHDR_RESERVED; }
-			|	FLAGS		{ $$ = TCPHDR_FLAGS; }
-			|	WINDOW		{ $$ = TCPHDR_WINDOW; }
-			|	CHECKSUM	{ $$ = TCPHDR_CHECKSUM; }
-			|	URGPTR		{ $$ = TCPHDR_URGPTR; }
-			;
-
-dccp_hdr_expr		:	DCCP	dccp_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_dccp, $2);
-			}
-			|	DCCP
-			{
-				uint8_t data = IPPROTO_DCCP;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-dccp_hdr_field		:	SPORT		{ $$ = DCCPHDR_SPORT; }
-			|	DPORT		{ $$ = DCCPHDR_DPORT; }
-			|	TYPE		{ $$ = DCCPHDR_TYPE; }
-			;
-
-sctp_hdr_expr		:	SCTP	sctp_hdr_field
-			{
-				$$ = payload_expr_alloc(&@$, &proto_sctp, $2);
-			}
-			|	SCTP
-			{
-				uint8_t data = IPPROTO_SCTP;
-				$$ = constant_expr_alloc(&@$, &inet_protocol_type,
-							 BYTEORDER_HOST_ENDIAN,
-							 sizeof(data) * BITS_PER_BYTE, &data);
-			}
-			;
-
-sctp_hdr_field		:	SPORT		{ $$ = SCTPHDR_SPORT; }
-			|	DPORT		{ $$ = SCTPHDR_DPORT; }
-			|	VTAG		{ $$ = SCTPHDR_VTAG; }
-			|	CHECKSUM	{ $$ = SCTPHDR_CHECKSUM; }
-			;
-
-exthdr_expr		:	hbh_hdr_expr
-			|	rt_hdr_expr
-			|	rt0_hdr_expr
-			|	rt2_hdr_expr
-			|	frag_hdr_expr
-			|	dst_hdr_expr
-			|	mh_hdr_expr
-			;
-
-hbh_hdr_expr		:	HBH	hbh_hdr_field
-			{
-				$$ = exthdr_expr_alloc(&@$, &exthdr_hbh, $2);
-			}
-			;
-
-hbh_hdr_field		:	NEXTHDR		{ $$ = HBHHDR_NEXTHDR; }
-			|	HDRLENGTH	{ $$ = HBHHDR_HDRLENGTH; }
-			;
-
-rt_hdr_expr		:	RT	rt_hdr_field
-			{
-				$$ = exthdr_expr_alloc(&@$, &exthdr_rt, $2);
-			}
-			;
-
-rt_hdr_field		:	NEXTHDR		{ $$ = RTHDR_NEXTHDR; }
-			|	HDRLENGTH	{ $$ = RTHDR_HDRLENGTH; }
-			|	TYPE		{ $$ = RTHDR_TYPE; }
-			|	SEG_LEFT	{ $$ = RTHDR_SEG_LEFT; }
-			;
-
-rt0_hdr_expr		:	RT0	rt0_hdr_field
-			{
-				$$ = exthdr_expr_alloc(&@$, &exthdr_rt0, $2);
-			}
-			;
-
-rt0_hdr_field		:	ADDR	'['	NUM	']'
-			{
-				$$ = RT0HDR_ADDR_1 + $3 - 1;
-			}
-			;
-
-rt2_hdr_expr		:	RT2	rt2_hdr_field
-			{
-				$$ = exthdr_expr_alloc(&@$, &exthdr_rt2, $2);
-			}
-			;
-
-rt2_hdr_field		:	ADDR		{ $$ = RT2HDR_ADDR; }
-			;
-
-frag_hdr_expr		:	FRAG	frag_hdr_field
-			{
-				$$ = exthdr_expr_alloc(&@$, &exthdr_frag, $2);
-			}
-			;
-
-frag_hdr_field		:	NEXTHDR		{ $$ = FRAGHDR_NEXTHDR; }
-			|	RESERVED	{ $$ = FRAGHDR_RESERVED; }
-			|	FRAG_OFF	{ $$ = FRAGHDR_FRAG_OFF; }
-			|	RESERVED2	{ $$ = FRAGHDR_RESERVED2; }
-			|	MORE_FRAGMENTS	{ $$ = FRAGHDR_MFRAGS; }
-			|	ID		{ $$ = FRAGHDR_ID; }
-			;
-
-dst_hdr_expr		:	DST	dst_hdr_field
-			{
-				$$ = exthdr_expr_alloc(&@$, &exthdr_dst, $2);
-			}
-			;
-
-dst_hdr_field		:	NEXTHDR		{ $$ = DSTHDR_NEXTHDR; }
-			|	HDRLENGTH	{ $$ = DSTHDR_HDRLENGTH; }
-			;
-
-mh_hdr_expr		:	MH	mh_hdr_field
-			{
-				$$ = exthdr_expr_alloc(&@$, &exthdr_mh, $2);
-			}
-			;
-
-mh_hdr_field		:	NEXTHDR		{ $$ = MHHDR_NEXTHDR; }
-			|	HDRLENGTH	{ $$ = MHHDR_HDRLENGTH; }
-			|	TYPE		{ $$ = MHHDR_TYPE; }
-			|	RESERVED	{ $$ = MHHDR_RESERVED; }
-			|	CHECKSUM	{ $$ = MHHDR_CHECKSUM; }
-			;
-
-%%