def self.keywords
@keywords ||= %w(
module import group type port component signature external
execute const template function altstep testcase var timer if
else select case for while do label goto start stop return
break int2char int2unichar int2bit int2enum int2hex int2oct
int2str int2float float2int char2int char2oct unichar2int
unichar2oct bit2int bit2hex bit2oct bit2str hex2int hex2bit
hex2oct hex2str oct2int oct2bit oct2hex oct2str oct2char
oct2unichar str2int str2hex str2oct str2float enum2int
any2unistr lengthof sizeof ispresent ischosen isvalue isbound
istemplatekind regexp substr replace encvalue decvalue
encvalue_unichar decvalue_unichar encvalue_o decvalue_o
get_stringencoding remove_bom rnd hostid send receive
setverdict
)
end