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 signal numbers to readable strings
 213         SG=${M#Caught fatal signal }
 214         SG=${SG#Committed suicide by signal }
 215         if [ "$SG" != "$M" ] ; then
 216                 SG=`perl -MConfig -e '@s=split / /,$Config{sig_name}; print $s[$ARGV[0]]' $SG`
 217                 [ -z "$SG" ] || M="$M (SIG$SG)"
 218         fi
 219
 220         # Translate Free Pascal runtime errors to readable strings
 221         RE=${M#Exited with error status }
 222         if [ "$FREE_PASCAL_RTE" == 1 -a "$RE" != "$M" ] ; then
 223                 N="Runtime error $RE"
 224                 case "$RE" in
 225                         200)    M="$N: Division by zero" ;;
 226                         201)    M="$N: Range check error" ;;
 227                         202)    M="$N: Stack overflow" ;;
 228                         203)    M="$N: Heap overflow" ;;
 229                         205)    M="$N: Floating point overflow" ;;
 230                         215)    M="$N: Arithmetic overflow" ;;
 231                         216)    M="$N: Segmentation fault" ;;
 232                         ???)    M="$N" ;;
 233                 esac
 234         fi
 235
 236         echo "Verdict: $M"
 237         echo "Points: $P"
 238         test-verdict $P "$M"
 239 }
 240
 241 function test-prolog
 242 {
 243         pcont "<init> "
 244         box-clean
 245         echo "Executable file: $TDIR/$PROBLEM"
 246         if [ ! -x $TDIR/$PROBLEM ] ; then
 247                 test-result 0 "Compile error"
 248         fi
 249         cp $TDIR/$PROBLEM $BOXDIR/
 250         BOX_EXTRAS=
 251         IN_TYPE=${IN_TYPE:-$IO_TYPE}
 252         OUT_TYPE=${OUT_TYPE:-$IO_TYPE}
 253         case $IN_TYPE in
 254                 file)   echo "Input file: $PROBLEM.in (from $PDIR/$TEST.in)"
 255                         try-ln $PDIR/$TEST.in $TDIR/$TEST.in
 256                         cp $PDIR/$TEST.in $BOXDIR/$PROBLEM.in
 257                         [ $TASK_TYPE == interactive ] || BOX_EXTRAS="$BOX_EXTRAS -i/dev/null"
 258                         ;;
 259                 stdio)  echo "Input file: <stdin> (from $PDIR/$TEST.in)"
 260                         try-ln $PDIR/$TEST.in $TDIR/$TEST.in
 261                         cp $PDIR/$TEST.in $BOXDIR/.stdin
 262                         BOX_EXTRAS="$BOX_EXTRAS -i.stdin"
 263                         ;;
 264                 none)   echo "Input file: <none>"
 265                         ;;
 266                 *)      die "Unknown IN_TYPE $IN_TYPE"
 267                         ;;
 268         esac
 269         if [ -n "$EV_PEDANT" -a $IN_TYPE != none ] ; then
 270                 pcont "<pedant> "
 271                 bin/pedant <$TDIR/$TEST.in | tr '\n' ' ' >&2
 272         fi
 273         case $OUT_TYPE in
 274                 file)   echo "Output file: $PROBLEM.out"
 275                         [ $TASK_TYPE == interactive ] || BOX_EXTRAS="$BOX_EXTRAS -o/dev/null"
 276                         ;;
 277                 stdio)  echo "Output file: <stdout>"
 278                         BOX_EXTRAS="$BOX_EXTRAS -o.stdout"
 279                         ;;
 280                 none)   echo "Output file: <none>"
 281                         ;;
 282                 *)      die "Unknown OUT_TYPE $OUT_TYPE"
 283                         ;;
 284         esac
 285         echo "Timeout: $TIME_LIMIT s"
 286         echo "Memory: $MEM_LIMIT KB"
 287         eval $SANDBOX_INIT
 288         echo "Sandbox contents before start:"
 289         ls -Al $BOXDIR
 290 }
 291
 292 function test-epilog
 293 {
 294         echo "Sandbox contents after exit:"
 295         ls -Al $BOXDIR
 296         case ${OUT_TYPE:-$IO_TYPE} in
 297                 file)   [ -f $BOXDIR/$PROBLEM.out ] || test-result 0 "No output file"
 298                         cp $BOXDIR/$PROBLEM.out $TDIR/$TEST.out
 299                         ;;
 300                 stdio)  [ -f $BOXDIR/.stdout ] || test-result 0 "No output file"
 301                         cp $BOXDIR/.stdout $TDIR/$TEST.out
 302                         ;;
 303         esac
 304
 305         if [ -n "$OUTPUT_FILTER" -a "$OUT_TYPE" != none -a -z "$EV_NOFILTER" ] ; then
 306                 pcont "<filter> "
 307                 FILTER=`eval echo \"$OUTPUT_FILTER\"`
 308                 echo "Output filter command: $FILTER"
 309                 mv $TDIR/$TEST.out $TDIR/$TEST.raw
 310                 if ! eval $FILTER 2>$TMPDIR/exec.out ; then
 311                         cat $TMPDIR/exec.out
 312                         MSG=`tail -1 $TMPDIR/exec.out`
 313                         if [ -z "$MSG" ] ; then MSG="Filter failed" ; fi
 314                         test-result 0 "$MSG"
 315                 fi
 316                 cat $TMPDIR/exec.out
 317         fi
 318 }
 319
 320 # Running of test program with file input/output
 321
 322 function test-run-file
 323 {
 324         test-prolog
 325         pcont "<run> "
 326         BOXOPTS="`eval echo $TEST_SANDBOX_OPTS`$BOX_EXTRAS"
 327         echo "Sandbox options: $BOXOPTS"
 328         if ! $BOXCMD $BOXOPTS -- ./$PROBLEM 2>$TMPDIR/exec.out ; then
 329                 cat $TMPDIR/exec.out
 330                 MSG=`tail -1 $TMPDIR/exec.out`
 331                 test-result 0 "$MSG"
 332         fi
 333         cat $TMPDIR/exec.out
 334         test-epilog
 335 }
 336
 337 # Running of interactive test programs
 338
 339 function test-run-interactive
 340 {
 341         test-prolog
 342         pcont "<run> "
 343         BOXOPTS="`eval echo $TEST_SANDBOX_OPTS`$BOX_EXTRAS"
 344         echo "Sandbox options: $BOXOPTS"
 345         ICCMD=`eval echo $IA_CHECK`
 346         echo "Interactive checker: $ICCMD"
 347         if ! $HDIR/bin/iwrapper $BOXCMD $BOXOPTS -- ./$PROBLEM @@ $ICCMD 2>$TMPDIR/exec.out ; then
 348                 cat $TMPDIR/exec.out
 349                 MSG="`head -1 $TMPDIR/exec.out`"
 350                 test-result 0 "$MSG"
 351         fi
 352         cat $TMPDIR/exec.out
 353         test-epilog
 354 }
 355
 356 # "Running" of open-data problems
 357
 358 function test-run-open-data
 359 {
 360         [ -f $SDIR/$TEST.out ] || test-result 0 "No solution"
 361         ln $SDIR/$TEST.out $TDIR/$TEST.out
 362 }
 363
 364 # Syntax checks
 365
 366 function syntax-check
 367 {
 368         [ -n "$SYNTAX_CHECK" ] || return 0
 369         [ -z "$EV_NOCHECK" ] || return 0
 370         pcont "<syntax> "
 371         SCHECK=`eval echo \"$SYNTAX_CHECK\"`
 372         echo "Syntax check command: $SCHECK"
 373         if ! eval $SCHECK 2>$TMPDIR/exec.out ; then
 374                 cat $TMPDIR/exec.out
 375                 MSG=`tail -1 $TMPDIR/exec.out`
 376                 if [ -z "$MSG" ] ; then MSG="Wrong syntax" ; fi
 377                 test-result 0 "$MSG"
 378         fi
 379         cat $TMPDIR/exec.out
 380 }
 381
 382 # Output checks
 383
 384 function output-check
 385 {
 386         MSG=
 387         if [ -n "$OUTPUT_CHECK" -a "$OUT_TYPE" != none -a -z "$EV_NOCHECK" ] ; then
 388                 pcont "<check> "
 389                 [ -f $PDIR/$TEST.out ] && ln $PDIR/$TEST.out $TDIR/$TEST.ok
 390                 OCHECK=`eval echo \"$OUTPUT_CHECK\"`
 391                 echo "Output check command: $OCHECK"
 392                 if ! eval $OCHECK 2>$TMPDIR/exec.out ; then
 393                         cat $TMPDIR/exec.out
 394                         MSG=`tail -1 $TMPDIR/exec.out`
 395                         if [ -z "$MSG" ] ; then MSG="Wrong answer" ; fi
 396                         test-result 0 "$MSG"
 397                 fi
 398                 cat $TMPDIR/exec.out
 399                 MSG=`tail -1 $TMPDIR/exec.out`
 400         fi
 401         if [ -z "$MSG" ] ; then MSG="OK" ; fi
 402         test-result $POINTS_PER_TEST "$MSG"
 403 }
 404
 405 # Setup of public commands
 406
 407 function public-setup
 408 {
 409         HDIR=$MO_ROOT
 410         PDIR=$MO_ROOT/problems/$PROBLEM
 411         SDIR=.
 412         TDIR=~/.test
 413         TMPDIR=~/.test
 414         [ -d $PDIR ] || die "Unknown problem $PROBLEM"
 415
 416         pstart "Initializing... "
 417         mkdir -p $TDIR
 418         rm -rf $TDIR/*
 419         BOXDIR=~/.box
 420         mkdir -p $BOXDIR
 421         rm -rf $BOXDIR/*
 422         BOXCMD="$MO_ROOT/bin/box -c$BOXDIR"
 423         exec >check-log
 424         pend "OK  (see 'check-log' for details)"
 425 }
 426
 427 # Locate output of open data problem, test case TEST
 428 # Beware, SDIR and SRCN can contain spaces and other strange user-supplied characters.
 429
 430 function open-locate
 431 {
 432         [ -f $PDIR/$TEST.in ] || die "Unknown test $TEST"
 433         if [ -n "$1" ] ; then
 434                 SDIR=`dirname "$1"`
 435                 SRCN=`basename "$1"`
 436         else
 437                 SRCN=$SDIR/$PROBLEM$TEST.out
 438         fi
 439         [ -f "$SDIR/$SRCN" ] || fatal "Output file $SRCN not found"
 440 }