Birdtest: Remove bt_assert command from term

%nonassoc THEN

%nonassoc ELSE

%type <x> term block cmds cmds_int cmd function_body constant constructor print_one print_list var_list var_listn dynamic_attr static_attr function_call symbol bgp_path_expr bt_assert

%type <x> term block cmds cmds_int cmd function_body constant constructor print_one print_list var_list var_listn dynamic_attr static_attr function_call symbol bgp_path_expr

%type <f> filter filter_body where_filter

%type <i> type break_command ec_kind

%type <i32> cnum

 | ROA_CHECK '(' rtable ')' { $$ = f_generate_roa_check($3, NULL, NULL); }

 | ROA_CHECK '(' rtable ',' term ',' term ')' { $$ = f_generate_roa_check($3, $5, $7); }

 | bt_assert { $$ = $1; }

/* | term '.' LEN { $$->code = P('P','l'); } */

      $$->a1.p = $2;

      $$->a2.p = build_tree( $4 );

   }

 | bt_assert ';' { $$ = $1; }

 | rtadot dynamic_attr '.' EMPTY ';' { $$ = f_generate_empty($2); }

 | rtadot dynamic_attr '.' PREPEND '(' term ')' ';'   { $$ = f_generate_complex( P('A','p'), 'x', $2, $6 ); }

 | rtadot dynamic_attr '.' ADD '(' term ')' ';'       { $$ = f_generate_complex( P('C','a'), 'a', $2, $6 ); }

 | rtadot dynamic_attr '.' DELETE '(' term ')' ';'    { $$ = f_generate_complex( P('C','a'), 'd', $2, $6 ); }

 | rtadot dynamic_attr '.' FILTER '(' term ')' ';'    { $$ = f_generate_complex( P('C','a'), 'f', $2, $6 ); }

 ;

 bt_assert:

   BT_ASSERT '(' get_cf_position term get_cf_position ')' { $$ = assert_done($4, $3 + 1, $5 - 1); }

 | BT_ASSERT '(' get_cf_position term get_cf_position ')' ';' { $$ = assert_done($4, $3 + 1, $5 - 1); }

 ;

get_cf_position: