_clm()
{
	local cur prev opts
	COMPRREPLY=()
	cur="${COMP_WORDS[COMP_CWORD]}"
	prev="${COMP_WORDS[COMP_CWORD-1]}"

	opts="-I -IL -P -w -nw -d -nd -sa -nsa -mv -ms -O -PO -S -PS -ABC -PABC -c -lt -nlt -lat -nlat -lset -ci -nci -ou -nou -fusion -nfusion -pt -npt -desc -exl -tst -funcmayfail -varnotused -funcnotused -nowarn -ns -no-opt-link -l -sl -e -E -aC -h -s -b -sc -t -nt -gc -ngc -st -nst -nr -gcm -gcc -gcf -gci -dynamics -nortsopts -p -pic -optabc -bytecode"

	case $prev in
		"-IL")
			# Complete Clean libraries
			opts="$(find "$CLEAN_HOME/lib" -mindepth 1 -maxdepth 1 -type d -exec basename {} \;)"
			COMPREPLY=($(compgen -W "$opts" -- $cur))
			return 0
			;;
		"-I")
			# Complete directories
			_filedir
			for index in "${!COMPREPLY[@]}"; do
				[ -d "${COMPREPLY[index]}" ] || unset -v 'COMPREPLY[$index]'
			done
			return 0
			;;
		"-l" | "-sl")
			# Complete files
			_filedir
			for index in "${!COMPREPLY[@]}"; do
				[ -f "${COMPREPLY[index]}" ] || unset -v 'COMPREPLY[$index]'
			done
			return 0
			;;
		"-P" | "-e" | "-E" | "-h" | "-s" | "-gcf" | "-gci")
			# Complete nothing
			return 0
			;;
	esac

	if [[ $cur == -* ]]; then
		# Complete options
		COMPREPLY=($(compgen -W "$opts" -- $cur))
		return 0
	else
		# Main module; complete icl module names
		opts="$(find -name '*.icl' -maxdepth 4 -type f -print 2>/dev/null | sed 's:^\./::;s:/:.:g;s:\.icl$::' | grep -v '[- ]')"
		COMPREPLY=($(compgen -W "$opts" -- $cur))
		return 0
	fi
}
complete -F _clm clm