bin/lib

   1 # The Evaluator -- Shell Function Library
   2 # (c) 2001--2007 Martin Mares <mj@ucw.cz>
   3
   4 # General settings
   5 shopt -s dotglob
   6
   7 # Logging functions.
   8 # File handles used: fd1=log, fd2=progress
   9
  10 function log-init
  11 {
  12         exec >>$TDIR/log
  13         HAVE_LOG=1
  14 }
  15
  16 function pstart
  17 {
  18         echo >&2 -n "$@"
  19 }
  20
  21 function pcont
  22 {
  23         echo >&2 -n "$@"
  24 }
  25
  26 function pend
  27 {
  28         echo >&2 "$@"
  29 }
  30
  31 function die
  32 {
  33         # Report an internal error
  34         echo >&2 "$@"
  35         [ -n "$HAVE_LOG" ] && echo "Fatal error: $@"
  36         exit 2
  37 }
  38
  39 function fatal
  40 {
  41         # Report a fatal error in the program being tested
  42         echo >&2 "$@"
  43         [ -n "$HAVE_LOG" ] && echo "Fatal error: $@"
  44         exit 1
  45 }
  46
  47 function try-ln
  48 {
  49         ln $1 $2 2>/dev/null || cp $1 $2
  50 }
  51
  52 # Sandbox subroutines
  53
  54 function box-init
  55 {
  56         pstart "Preparing sandbox... "
  57         if [ -z "$TEST_USER" -o "$TEST_USER" == $EVAL_USER ] ; then
  58                 pcont "running locally (INSECURE), "
  59                 TEST_USER=$EVAL_USER
  60                 BOXDIR=box
  61                 BOXCMD=bin/box
  62                 mkdir -p box
  63         else
  64                 pcont "used account $TEST_USER, "
  65                 BOXDIR=$MO_ROOT/eval/$TEST_USER
  66                 BOXCMD=bin/box-$TEST_USER
  67         fi
  68         [ -d $BOXDIR -a -f $BOXCMD ] || die "Sandbox set up incorrectly"
  69         BOXCMD="$BOXCMD -c$BOXDIR"
  70         echo "Sandbox directory: $BOXDIR"
  71         echo "Sandbox command: $BOXCMD"
  72         box-clean
  73         pend "OK"
  74 }
  75
  76 function box-clean
  77 {
  78         [ -n "$BOXCMD" ] || die "box-init not called"
  79         rm -rf $BOXDIR/*
  80 }
  81
  82 # Initialization of testing directories
  83
  84 function dir-init
  85 {
  86         pstart "Initializing... "
  87         HDIR=.
  88         PDIR=problems/$PROBLEM
  89         SDIR=solutions/$CONTESTANT/$PROBLEM
  90         TDIR=testing/$CONTESTANT/$PROBLEM
  91         TMPDIR=tmp
  92         [ -d $PDIR ] || die "Problem $PROBLEM not known"
  93         [ -d $SDIR ] || fatal "Solution of $PROBLEM not found"
  94         mkdir -p $TDIR $TMPDIR
  95         rm -rf $TDIR $TMPDIR
  96         mkdir -p $TDIR $TMPDIR
  97         cat >$TDIR/log <<EOF
  98 Testing solution of $PROBLEM by $CONTESTANT
  99 Test started at `date`
 100 Contestant's solution directory: $SDIR
 101 Problem directory: $PDIR
 102 Testing directory: $TDIR
 103 EOF
 104         pend "OK"
 105 }
 106
 107 # Locate source file.
 108 # If no parameter is given, locate it in SDIR and return name as SRCN and extension as SRCEXT
 109 # Or a file name can be given and then SDIR, SRCN and SRCEXT are set.
 110 # Beware, SDIR and SRCN can contain spaces and other strange user-supplied characters.
 111
 112 function locate-source
 113 {
 114         pstart "Finding source... "
 115         local SBASE
 116         if [ -n "$1" ] ; then
 117                 SDIR=`dirname "$1"`
 118                 local S=`basename "$1"`
 119                 SBASE=$(echo "$S" | sed 's/\.\([^.]\+\)//')
 120                 SRCEXT=$(echo "$S" | sed '/\./!d; s/.*\.\([^.]\+\)/\1/')
 121                 if [ -n "$SRCEXT" ] ; then
 122                         # Full name given, so just check the extension and existence
 123                         SRCN="$S"
 124                         [ -f "$SDIR/$SRCN" ] || die "Cannot find source file $SDIR/$SRCN"
 125                         SRCEXT_OK=
 126                         for a in $EXTENSIONS ; do
 127                                 if [ $a == $SRCEXT ] ; then
 128                                         pend $SDIR/$SRCN
 129                                         echo "Explicitly set source file: $SDIR/$SRCN"
 130                                         return 0
 131                                 fi
 132                         done
 133                         die "Unknown extension .$SRCEXT"
 134                 fi
 135         else
 136                 SBASE=$PROBLEM
 137         fi
 138         for a in $EXTENSIONS ; do
 139                 if [ -f "$SDIR/$SBASE.$a" ] ; then
 140                         [ -z "$SRCN" ] || die "Multiple source files found: $SDIR/$PROBLEM.$a and $SDIR/$SRCN. Please fix."
 141                         SRCN="$SBASE.$a"
 142                         SRCEXT=$a
 143                 fi
 144         done
 145         [ -n "$SRCN" ] || fatal "NOT FOUND"
 146         pend $SRCN
 147         echo "Found source file: $SDIR/$SRCN"
 148 }
 149
 150 # Compilation (compile SDIR/SRCN with PDIR/COMP_EXTRAS to EXE=TDIR/PROBLEM)
 151
 152 function compile
 153 {
 154         pstart "Compiling... "
 155         # Beware, the original SRCN can be a strange user-supplied name
 156         SRC=$PROBLEM.$SRCEXT
 157         cp "$SDIR/$SRCN" $TDIR/$SRC
 158         if [ -n "$COMP_EXTRAS" ] ; then
 159                 echo "Extras: $COMP_EXTRAS"
 160                 for a in $COMP_EXTRAS ; do cp $PDIR/$a $TDIR/ ; done
 161         fi
 162         box-clean
 163         for a in $SRC $COMP_EXTRAS ; do cp $TDIR/$a $BOXDIR/ ; done
 164         EXE=$PROBLEM
 165         CCMD=COMP_$SRCEXT
 166         CCMD=`eval echo ${!CCMD}`
 167         COMP_SANDBOX_OPTS=`eval echo $COMP_SANDBOX_OPTS`
 168         echo "Compiler command: $CCMD"
 169         echo "Compiler sandbox options: $COMP_SANDBOX_OPTS"
 170         eval $COMP_SANDBOX_INIT
 171
 172         echo "Compiler input files:"
 173         ls -Al $BOXDIR
 174         echo "Compiler output:"
 175         if ! $BOXCMD $COMP_SANDBOX_OPTS -- $CCMD 2>$TDIR/compile.out ; then
 176                 COMPILE_MSG="`cat $TDIR/compile.out`"
 177                 pend "FAILED: $COMPILE_MSG"
 178                 echo "$COMPILE_MSG"
 179                 return 1
 180         fi
 181         cat $TDIR/compile.out
 182         rm $TDIR/compile.out
 183         echo "Compiler output files:"
 184         ls -Al $BOXDIR
 185         if [ ! -f $BOXDIR/$PROBLEM ] ; then
 186                 pend "FAILED: Missing executable file"
 187                 echo "Missing executable file"
 188                 return 1
 189         fi
 190         EXE=$TDIR/$PROBLEM
 191         cp -a $BOXDIR/$PROBLEM $EXE
 192         echo "Compiled OK, result copied to $EXE"
 193         pend "OK"
 194 }
 195
 196 # Running of test program according to current task type (returns exit code and TEST_MSG)
 197
 198 function test-run
 199 {
 200         test-run-$TASK_TYPE
 201 }
 202
 203 function test-result
 204 {
 205         P=$1
 206         M=$2
 207         if [ -s $TDIR/$TEST.pts ] ; then
 208                 P=`cat $TDIR/$TEST.pts`
 209                 rm $TDIR/$TEST.pts
 210         fi
 211
 212         # Translate Free Pascal runtime errors to readable strings
 213         RE=${M#Exited with error status }
 214         if [ "$FREE_PASCAL_RTE" == 1 -a "$RE" != "$M" ] ; then
 215                 N="Runtime error $RE"
 216                 case "$RE" in
 217                         200)    M="$N: Division by zero" ;;
 218                         201)    M="$N: Range check error" ;;
 219                         202)    M="$N: Stack overflow" ;;
 220                         203)    M="$N: Heap overflow" ;;
 221                         205)    M="$N: Floating point overflow" ;;
 222                         215)    M="$N: Arithmetic overflow" ;;
 223                         216)    M="$N: Segmentation fault" ;;
 224                         ???)    M="$N" ;;
 225                 esac
 226         fi
 227
 228         echo "Verdict: $M"
 229         echo "Points: $P"
 230         test-verdict $P "$M"
 231 }
 232
 233 function test-prolog
 234 {
 235         pcont "<init> "
 236         box-clean
 237         echo "Executable file: $TDIR/$PROBLEM"
 238         if [ ! -x $TDIR/$PROBLEM ] ; then
 239                 test-result 0 "Compile error."
 240         fi
 241         cp $TDIR/$PROBLEM $BOXDIR/
 242         BOX_EXTRAS=
 243         IN_TYPE=${IN_TYPE:-$IO_TYPE}
 244         OUT_TYPE=${OUT_TYPE:-$IO_TYPE}
 245         case $IN_TYPE in
 246                 file)   echo "Input file: $PROBLEM.in (from $PDIR/$TEST.in)"
 247                         try-ln $PDIR/$TEST.in $TDIR/$TEST.in
 248                         cp $PDIR/$TEST.in $BOXDIR/$PROBLEM.in
 249                         [ $TASK_TYPE == interactive ] || BOX_EXTRAS="$BOX_EXTRAS -i/dev/null"
 250                         ;;
 251                 stdio)  echo "Input file: <stdin> (from $PDIR/$TEST.in)"
 252                         try-ln $PDIR/$TEST.in $TDIR/$TEST.in
 253                         cp $PDIR/$TEST.in $BOXDIR/.stdin
 254                         BOX_EXTRAS="$BOX_EXTRAS -i.stdin"
 255                         ;;
 256                 none)   echo "Input file: <none>"
 257                         ;;
 258                 *)      die "Unknown IN_TYPE $IN_TYPE"
 259                         ;;
 260         esac
 261         if [ -n "$EV_PEDANT" -a $IN_TYPE != none ] ; then
 262                 pcont "<pedant> "
 263                 bin/pedant <$TDIR/$TEST.in | tr '\n' ' ' >&2
 264         fi
 265         case $OUT_TYPE in
 266                 file)   echo "Output file: $PROBLEM.out"
 267                         [ $TASK_TYPE == interactive ] || BOX_EXTRAS="$BOX_EXTRAS -o/dev/null"
 268                         ;;
 269                 stdio)  echo "Output file: <stdout>"
 270                         BOX_EXTRAS="$BOX_EXTRAS -o.stdout"
 271                         ;;
 272                 none)   echo "Output file: <none>"
 273                         ;;
 274                 *)      die "Unknown OUT_TYPE $OUT_TYPE"
 275                         ;;
 276         esac
 277         echo "Timeout: $TIME_LIMIT s"
 278         echo "Memory: $MEM_LIMIT KB"
 279         eval $SANDBOX_INIT
 280         echo "Sandbox contents before start:"
 281         ls -Al $BOXDIR
 282 }
 283
 284 function test-epilog
 285 {
 286         echo "Sandbox contents after exit:"
 287         ls -Al $BOXDIR
 288         case ${OUT_TYPE:-$IO_TYPE} in
 289                 file)   [ -f $BOXDIR/$PROBLEM.out ] || test-result 0 "No output file."
 290                         cp $BOXDIR/$PROBLEM.out $TDIR/$TEST.out
 291                         ;;
 292                 stdio)  [ -f $BOXDIR/.stdout ] || test-result 0 "No output file."
 293                         cp $BOXDIR/.stdout $TDIR/$TEST.out
 294                         ;;
 295         esac
 296 }
 297
 298 # Running of test program with file input/output
 299
 300 function test-run-file
 301 {
 302         test-prolog
 303         pcont "<run> "
 304         BOXOPTS="`eval echo $TEST_SANDBOX_OPTS`$BOX_EXTRAS"
 305         echo "Sandbox options: $BOXOPTS"
 306         if ! $BOXCMD $BOXOPTS -- ./$PROBLEM 2>$TMPDIR/exec.out ; then
 307                 cat $TMPDIR/exec.out
 308                 MSG=`tail -1 $TMPDIR/exec.out`
 309                 test-result 0 "$MSG"
 310         fi
 311         cat $TMPDIR/exec.out
 312         test-epilog
 313 }
 314
 315 # Running of interactive test programs
 316
 317 function test-run-interactive
 318 {
 319         test-prolog
 320         pcont "<run> "
 321         BOXOPTS="`eval echo $TEST_SANDBOX_OPTS`$BOX_EXTRAS"
 322         echo "Sandbox options: $BOXOPTS"
 323         ICCMD=`eval echo $IA_CHECK`
 324         echo "Interactive checker: $ICCMD"
 325         if ! $HDIR/bin/iwrapper $BOXCMD $BOXOPTS -- ./$PROBLEM @@ $ICCMD 2>$TMPDIR/exec.out ; then
 326                 cat $TMPDIR/exec.out
 327                 MSG="`head -1 $TMPDIR/exec.out`"
 328                 test-result 0 "$MSG"
 329         fi
 330         cat $TMPDIR/exec.out
 331         test-epilog
 332 }
 333
 334 # "Running" of open-data problems
 335
 336 function test-run-open-data
 337 {
 338         [ -f $SDIR/$TEST.out ] || test-result 0 "No solution."
 339         ln $SDIR/$TEST.out $TDIR/$TEST.out
 340 }
 341
 342 # Syntax checks
 343
 344 function syntax-check
 345 {
 346         [ -n "$SYNTAX_CHECK" ] || return 0
 347         [ -z "$EV_NOCHECK" ] || return 0
 348         pcont "<syntax> "
 349         SCHECK=`eval echo $SYNTAX_CHECK`
 350         echo "Syntax check command: $SCHECK"
 351         if ! eval $SCHECK 2>$TMPDIR/exec.out ; then
 352                 cat $TMPDIR/exec.out
 353                 MSG=`tail -1 $TMPDIR/exec.out`
 354                 if [ -z "$MSG" ] ; then MSG="Wrong syntax." ; fi
 355                 test-result 0 "$MSG"
 356         fi
 357         cat $TMPDIR/exec.out
 358 }
 359
 360 # Output checks
 361
 362 function output-check
 363 {
 364         MSG=
 365         if [ -n "$OUTPUT_CHECK" -a "$OUT_TYPE" != none -a -z "$EV_NOCHECK" ] ; then
 366                 pcont "<check> "
 367                 [ -f $PDIR/$TEST.out ] && ln $PDIR/$TEST.out $TDIR/$TEST.ok
 368                 OCHECK=`eval echo $OUTPUT_CHECK`
 369                 echo "Output check command: $OCHECK"
 370                 if ! eval $OCHECK 2>$TMPDIR/exec.out ; then
 371                         cat $TMPDIR/exec.out
 372                         MSG=`tail -1 $TMPDIR/exec.out`
 373                         if [ -z "$MSG" ] ; then MSG="Wrong answer." ; fi
 374                         test-result 0 "$MSG"
 375                 fi
 376                 cat $TMPDIR/exec.out
 377                 MSG=`tail -1 $TMPDIR/exec.out`
 378         fi
 379         if [ -z "$MSG" ] ; then MSG="OK" ; fi
 380         test-result $POINTS_PER_TEST "$MSG"
 381 }
 382
 383 # Setup of public commands
 384
 385 function public-setup
 386 {
 387         HDIR=$MO_ROOT
 388         PDIR=$MO_ROOT/problems/$PROBLEM
 389         SDIR=.
 390         TDIR=~/.test
 391         TMPDIR=~/.test
 392         [ -d $PDIR ] || die "Unknown problem $PROBLEM"
 393
 394         pstart "Initializing... "
 395         mkdir -p $TDIR
 396         rm -rf $TDIR/*
 397         BOXDIR=~/.box
 398         mkdir -p $BOXDIR
 399         rm -rf $BOXDIR/*
 400         BOXCMD="$MO_ROOT/bin/box -c$BOXDIR"
 401         exec >check-log
 402         pend "OK  (see 'check-log' for details)"
 403 }
 404
 405 # Locate output of open data problem, test case TEST
 406 # Beware, SDIR and SRCN can contain spaces and other strange user-supplied characters.
 407
 408 function open-locate
 409 {
 410         [ -f $PDIR/$TEST.in ] || die "Unknown test $TEST"
 411         if [ -n "$1" ] ; then
 412                 SDIR=`dirname "$1"`
 413                 SRCN=`basename "$1"`
 414         else
 415                 SRCN=$SDIR/$PROBLEM$TEST.out
 416         fi
 417         [ -f "$SDIR/$SRCN" ] || fatal "Output file $SRCN not found"
 418 }