#!/bin/sh
#
# A program to test different versions of the compiler.

usage="Usage: speedtest [-c cmd] [-nN] batchname"
limit=4
cmd="mmc -C -O2 -I../compiler make_hlds.m"

while test $# -gt 0
do
	case $1 in

	-c|--cmd)
		cmd="$2" ; shift ;;
	-c*)
		cmd="` expr $1 : '-c\(.*\)' `" ;;

	-n)
		limit="$2" ; shift ;;
	-n*)
		limit="` expr $1 : '-n\(.*\)' `" ;;

	-*)	echo "$0: unknown option \`$1'" 2>&1
		echo $usage
		exit 1 ;;

	*)	break ;;

	esac
	shift
done

if test $# != 1
then
	echo $usage
	exit 1
fi

batch=$1

root=`/bin/pwd`
files=`ls batch/$batch.mercury_compile.*`

trap 'gzip $root/batch/$batch.mercury_compile.*[0-9] > /dev/null 2>&1; exit 0' 0 1 2 3 15 

if test -x /usr/ucb/echo
then
	ECHO=/usr/ucb/echo
else
	ECHO=echo
fi

for file in $files
do
	case $file in
	*.gz)
		gunzip $file
		file=batch/`basename $file .gz`
		;;
	esac

	paramfile=`echo $file | sed 's/mercury_compile/params/'`
	if test -r $paramfile
	then
		cat $paramfile
	fi

	MERCURY_COMPILER=$root/$file
	export MERCURY_COMPILER
	cd trial
	count=1
	while test $count -le $limit
	do
		$ECHO -n "$file "
		$root/tools/dotime $cmd
		count=`expr $count + 1`
	done
	cd $root
	gzip $file
done

exit 0