DIR="bionic dalvik device frameworks hardware libnativehelper system packages"
TMP=$(mktemp /tmp/XXXXX-cscope.files)

gettop ()
{
    local TOPFILE=build/core/envsetup.mk;
    if [ -n "$TOP" -a -f "$TOP/$TOPFILE" ]; then
        echo $TOP;
    else
        if [ -f $TOPFILE ]; then
            PWD= /bin/pwd;
        else
            local HERE=$PWD;
    T=;
    while [ \( ! \( -f $TOPFILE \) \) -a \( $PWD != "/" \) ]; do
        \cd ..;
    T=`PWD= /bin/pwd`;
    done;
    \cd $HERE;
    if [ -f "$T/$TOPFILE" ]; then
        echo $T;
    fi;
    fi;
    fi
}


T=$(gettop);
if [ "$T" ]; then
	\cd $(gettop);
else
	echo "Couldn't locate the top of the tree.  Try setting TOP.";
	exit
fi

for dir in $DIR;
do
	echo "Looking for files in $dir"
	find $PWD/$dir -name .git -prune -o -type f \( -iname '*.c' -o -iname '*.cc' -o -iname '*.cpp' -o -iname '*.h' -o -iname '*.hpp' -o -iname "*.mk" -o -iname "*.java" -o -iname "*.aidl" \) | egrep -v "/\.git$" >> $TMP
done

echo "generate cscope"
cscope -bkq -i $TMP

echo "generate ctags"
ctags --c-kinds=+px --c++-kinds=+px --fields=+iaS --extra=+q -L $TMP

rm $TMP