find-bad-lexer-actions.sh

#
if [[ $# -gt 0 ]]
then
	echo Finding actions in lexer grammars that start an alt... >&2
	dotnet trparse -l -t ANTLRv4 $@ 2> /dev/null | \
	dotnet trxgrep ' //lexerElements/lexerElement[actionBlock and position() = 1]' | \
	dotnet trcaret
else
	echo Finding actions in lexer grammars that start an alt... >&2
	for i in `find . -name desc.xml | grep -v Generated\*`
	do
		echo $i
		d=`dirname $i`
		pushd $d > /dev/null 2>&1
		if [ ! -z $(find . -maxdepth 1 -name '*.g4' -printf 1 -quit) ]
		then 
			# Parse all grammar files so that any imports can also be checked.
			dotnet trparse -l -t ANTLRv4 *.g4 2> /dev/null | \
			dotnet trxgrep ' //lexerElements/lexerElement[actionBlock and position() = 1]' | \
			dotnet trcaret
		fi
		popd > /dev/null 2>&1
	done
fi