#compdef disable

local prev="$words[CURRENT-1]" args

args=()
[[ "$prev" = -*a* ]] &&
    tags=( 'aliases:alias:compadd - ${(@k)aliases} ${(@k)galiases} )
[[ "$prev" = -*f* ]] &&
    tags=( "$tags[@]" 'functions:shell function:compadd - ${(@k)functions}' )
[[ "$prev" = -*r* ]] &&
    tags=( "$tags[@]" 'reserved-words:reserved word:compadd - ${(@k)reswords}' )
[[ "$prev" != -* ]]  &&
    tags=( 'builtins:builtin command:compadd - ${(@k)builtins} )

_alternative "$args[@]"