#!/bin/sh -e

if echo "$@" | grep -q -- -o; then
	OUTPUT=$(echo "$@" |
		 sed 's/.*-o[[:blank:]]\+\([^[:blank:]]\+\)\.c.*/\1/')
	OPTIONS=$(echo "$@" |
		 sed 's/\(.*\)-o[[:blank:]]\+[^[:blank:]]\+\(.*\)/\1\2/')
	NEW=1
else
	OUTPUT=$(echo "$@" |
		 sed -e 's/.*[[:blank:]]\+\([^[:blank:]]\+\)\.y.*/\1/')
	OPTIONS="$@"
	NEW=0
fi

byacc $OPTIONS
if [ $NEW = 1 ]; then
	mv y.tab.c $OUTPUT.c
fi
mv y.tab.h $OUTPUT.h