startrule: commandline{$item{commandline}}
commandline: command options {[$item {command},$item{options}]}
command: packagecommand {$item{packagecommand}}
packagecommand: /(hap)/ | /(hccmrg)/ | /(hup)/ | /(hspp)/ | /(hpp)/ | /(hpg)/ | /(hdp)/ | /(hdlp)/ | /(hcp)/
options: option(s?) 
option: optionflag optionvalue { [$item{optionflag}, $item{optionvalue}?$item{optionvalue}:1] }
optionflag: /(-\w+)/ { $1 }
optionvalue: /(\w*)/ { $1 }