V10/cmd/cflow/cf

#! /bin/sh
#	@(#)cflow.sh	1.6	83/10/05
#	3.0 SID #	1.2
INVFLG=
DFLAG=
IFLAG=
DIR=/usr/lib
CC=/bin/cc
LINT1=/usr/lib/lint/lint1
TMP=/usr/tmp/cf.${$}
TMPG=${TMP}.g
trap "rm -f ${TMP}*; kill ${$}" 1 2 3
echo "" >${TMP}.g
while [ -n "${1}" ]
do
	case "${1}" in
	-r)
		INVFLG=1
		;;
	-d*)
		DFLAG=${1}
		;;
	-i*)
		IFLAG="${IFLAG} ${1}"
		;;
	-f)
		cat ${2} </dev/null >>${TMPG}
		shift
		;;
	-g)
		TMPG=${2}
		if [ -z "${TMPG}" ]
		then
			TMPG=${TMP}.g
		fi
		shift
		;;
	-[IDU]*)
		o="${o} ${1}"
		;;
	*.y)
		yacc ${1}
		sed -e "/^# line/d" y.tab.c > ${1}.c
		${CC} -E ${o} ${1}.c | ${LINT1} -H${TMP}.j 2>/dev/null ${1}.c\
			| ${DIR}/lpfx ${IFLAG} >>${TMPG}
		rm y.tab.c ${1}.c
		;;
	*.l)
		lex ${1}
		sed -e "/^# line/d" lex.yy.c > ${1}.c
		${CC} -E ${o} ${1}.c | ${LINT1} -H${TMP}.j 2>/dev/null ${1}.c\
			| ${DIR}/lpfx ${IFLAG} >>${TMPG}
		rm lex.yy.c ${1}.c
		;;
	*.c)
		${CC} -E ${o} ${1} | ${LINT1} -H${TMP}.j ${1}\
			| lpfx ${IFLAG} >>${TMPG}
		;;
	*.i)
		name=`basename ${1} .c`
		${LINT1} -H${TMP}.j 2>/dev/null <${1} | ${DIR}/lpfx >>${TMPG} ${name}.c
		;;
	*.s)
		a=`basename ${1} .s`
		as -o ${TMP}.o ${1}
		nm -he ${TMP}.o | sort -t'|' -n +1 -2 | ${DIR}/nmf ${a} ${a}.s >>${TMPG}
		;;
	*.o)
		a=`basename ${1} .o`
		nm -he ${1} | sort -t'|' -n +1 -2 | ${DIR}/nmf ${a} ${a}.o >>${TMPG}
		;;
	*)
		echo ${1} "-- cflow can't process - file skipped"
		;;
	esac
	shift
done
if [ -n "${INVFLG}" ]
then
	grep "=" ${TMPG} >${TMP}.q
	grep ":" ${TMPG} | ${DIR}/flip >>${TMP}.q
	sort <${TMP}.q >${TMPG}
	rm ${TMP}.q
fi
${DIR}/dag ${DFLAG} <${TMPG}
rm -f ${TMP}*