#!/bin/bash -ex

eval $(grep ^FILE= reduce-ice)

[[ -z ${FILE} ]] && echo unable to find FILE && exit 1

if ! ./reduce-ice ; then
	echo "ERROR: compiling code did not find string!?"
	exit 1
fi

if false ; then
echo "initial whitespace/preproc filter"
cp ${FILE} ${FILE}.unfiltered
sed -i \
	-e 's:[[:space:]]*::' \
	-e '/^$/d' \
	-e '/^#/d' \
	${FILE}
if cmp -s ${FILE} ${FILE}.unfiltered ; then
	rm -f ${FILE}.unfiltered
elif ! ./reduce-ice ; then
	echo "ERROR: filtered version breaks things !?"
	exit 1
fi
fi

dir=$(mktemp -d -t reduce-ice.XXXXXX)
cp $FILE $dir/
ln -s $PWD/reduce-ice $dir/
pushd $dir
for x in ${@:-0 0 1 1 2 2 5 5 10 10} ; do
	multidelta -level=$x ./reduce-ice $FILE
done
popd
cp $dir/$FILE $FILE
rm -rf $dir

case $FILE in
	*.i|*.ii|*.c|*.cxx) Lindent $FILE;;
	*) exit 0
esac
if ! ./reduce-ice ; then
	echo "ERROR: lindent fucked it up!"
	mv "${FILE}~" "${FILE}"
	exit 1
fi