#!/bin/sh

FILE_PARSE="${1:-keywords.pl}"
FILE_WRITE="${2:-keywords.h}"

while read -r LINE; do
	case "$LINE" in
		NULL)
			EMIT=true
		;;
	esac

	case "$EMIT" in
		true)
			printf "%s_%s %d\n" '#define KEY' "$LINE" "$I"
			I=$((I+1))
		;;
	esac
done <"$FILE_PARSE" >"$FILE_WRITE"