#!/bin/bash
#//////////////////////////////////////////////////////////////////////////////////////////
#//BOCA Online Contest Administrator. Copyright (c) 2003- Cassio Polpo de Campos.
#//It may be distributed under the terms of the Q Public License version 1.0. A copy of the
#//license can be found with this software or at http://www.opensource.org/licenses/qtpl.php
#//
#//THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
#//INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
#//PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS. IN NO EVENT SHALL THE COPYRIGHT HOLDER
#//OR HOLDERS INCLUDED IN THIS NOTICE BE LIABLE FOR ANY CLAIM, OR ANY SPECIAL INDIRECT OR
#//CONSEQUENTIAL DAMAGES, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
#//PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
#//OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
#///////////////////////////////////////////////////////////////////////////////////////////
#Last modified: 25/may/2010 by cassiopc
#
# parameters are:
# $1 base_filename
# $2 source_file
# $3 input_file
# $4 languagename
# $5 problemname
# $6 timelimit
#
# the output of the submission should be directed to the standard output
#
# the return code show what happened:
# 0 ok
# 1 compile error
# 2 runtime error
# 3 timelimit exceeded
# other_codes are unknown to boca: in this case BOCA will present the
#                                  last line of standard output to the judge

umask 0022
chown nobody.nogroup .

# this script makes use of safeexec to execute the code with less privilegies
# make sure that directories below are correct.
grep=`which grep`
[ -x "$grep" ] || grep=/bin/grep
sf=`which safeexec`
[ -x "$sf" ] || sf=/usr/bin/safeexec
pascal=`which fpc`
[ -x "$pascal" ] || pascal=/usr/bin/fpc

if [ "$1" == "" -o "$2" == "" -o "$3" == "" ]; then
    echo "parameter problem"
    exit 43
fi
if [ ! -r $2 ]; then
    echo "$2 not found or it's not readable"
    exit 44
fi
if [ ! -r $3 ]; then
    echo "$3 not found or it's not readable"
    exit 45
fi
if [ ! -x $sf ]; then
    echo "$sf not found or it's not executable"
    exit 46
fi
if [ ! -x $pascal ]; then
    echo "$pascal not found or it's not executable"
    exit 47
fi

prefix=$1
name=$2
input=$3

# setting up the timelimit according to the problem
# note that problems should spelling the same as inside BOCA
if [ "$6" == "" ]; then
time=5
else
time=$6
fi
let ttime=$time+30

$pascal -o$prefix $name >compiler.out 2>compiler.out
$grep -irq linking compiler.out
ret=$?
$grep -irq "lines compiled" compiler.out
ret2=$?
if [ "$ret" != "0" -o "$ret2" != "0" ]; then
	cat compiler.out
	echo "Compiling Error: $ret"
	exit 1
else
	$sf -F10 -t$time -T$ttime -i$input -opascal.out -n0 -R. ./$prefix
	ret=$?
        if [ -f pascal.out ]; then
          cat pascal.out
          $grep -irq "runtime error" pascal.out
          ret2=$?
	  if [ "$ret2" = "0" ]; then
		echo "Strange output - possible runtime error"
		if [ $ret -lt 4 ]; then
			ret=48
		fi
          fi
	else
          echo "Output file not found - possible runtime error"
	fi
fi
exit $ret