scripts/coccicheck

   1 #!/bin/sh
   2
   3 SPATCH="`which ${SPATCH:=spatch}`"
   4
   5 if [ "$C" = "1" -o "$C" = "2" ]; then
   6     ONLINE=1
   7
   8 # This requires Coccinelle >= 0.2.3
   9 #    FLAGS="-ignore_unknown_options -very_quiet"
  10 #    OPTIONS=$*
  11
  12 # Workaround for Coccinelle < 0.2.3
  13     FLAGS="-I $srctree/include -very_quiet"
  14     shift $(( $# - 1 ))
  15     OPTIONS=$1
  16 else
  17     ONLINE=0
  18     FLAGS="-very_quiet"
  19     OPTIONS="-dir $srctree"
  20 fi
  21
  22 if [ ! -x "$SPATCH" ]; then
  23     echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
  24     exit 1
  25 fi
  26
  27 if [ "$MODE" = "" ] ; then
  28     if [ "$ONLINE" = "0" ] ; then
  29         echo 'You have not explicitly specified the mode to use. Using default "chain" mode.'
  30         echo 'All available modes will be tried (in that order): patch, report, context, org'
  31         echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
  32     fi
  33     MODE="chain"
  34 elif [ "$MODE" = "report" -o "$MODE" = "org" ] ; then
  35     FLAGS="$FLAGS -no_show_diff"
  36 fi
  37
  38 if [ "$ONLINE" = "0" ] ; then
  39     echo ''
  40     echo 'Please check for false positives in the output before submitting a patch.'
  41     echo 'When using "patch" mode, carefully review the patch before submitting it.'
  42     echo ''
  43 fi
  44
  45 coccinelle () {
  46     COCCI="$1"
  47
  48     OPT=`grep "Option" $COCCI | cut -d':' -f2`
  49
  50 #   The option '-parse_cocci' can be used to syntactically check the SmPL files.
  51 #
  52 #    $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null
  53
  54     if [ "$ONLINE" = "0" ] ; then
  55
  56         FILE=`echo $COCCI | sed "s|$srctree/||"`
  57
  58         echo "Processing `basename $COCCI`"
  59         echo "with option(s) \"$OPT\""
  60         echo ''
  61         echo 'Message example to submit a patch:'
  62
  63         sed -ne 's|^///||p' $COCCI
  64
  65         if [ "$MODE" = "patch" ] ; then
  66             echo ' The semantic patch that makes this change is available'
  67         elif [ "$MODE" = "report" ] ; then
  68             echo ' The semantic patch that makes this report is available'
  69         elif [ "$MODE" = "context" ] ; then
  70             echo ' The semantic patch that spots this code is available'
  71         elif [ "$MODE" = "org" ] ; then
  72             echo ' The semantic patch that makes this Org report is available'
  73         else
  74             echo ' The semantic patch that makes this output is available'
  75         fi
  76         echo " in $FILE."
  77         echo ''
  78         echo ' More information about semantic patching is available at'
  79         echo ' http://coccinelle.lip6.fr/'
  80         echo ''
  81
  82         if [ "`sed -ne 's|^//#||p' $COCCI`" ] ; then
  83             echo 'Semantic patch information:'
  84             sed -ne 's|^//#||p' $COCCI
  85             echo ''
  86         fi
  87     fi
  88
  89     if [ "$MODE" = "chain" ] ; then
  90         $SPATCH -D patch   $FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
  91         $SPATCH -D report  $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || \
  92         $SPATCH -D context $FLAGS -sp_file $COCCI $OPT $OPTIONS               || \
  93         $SPATCH -D org     $FLAGS -sp_file $COCCI $OPT $OPTIONS -no_show_diff || exit 1
  94     else
  95         $SPATCH -D $MODE   $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
  96     fi
  97
  98 }
  99
 100 if [ "$COCCI" = "" ] ; then
 101     for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
 102         coccinelle $f
 103     done
 104 else
 105     coccinelle $COCCI
 106 fi