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=$1
  16 else
  17     ONLINE=0
  18     FLAGS="-very_quiet"
  19 fi
  20
  21 if [ ! -x "$SPATCH" ]; then
  22     echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
  23     exit 1
  24 fi
  25
  26 if [ "$MODE" = "" ] ; then
  27     if [ "$ONLINE" = "0" ] ; then
  28         echo 'You have not explicitly specify the mode to use. Fallback to "report".'
  29         echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
  30         echo 'Available modes are: report, patch, context, org'
  31     fi
  32     MODE="report"
  33 fi
  34
  35 if [ "$ONLINE" = "0" ] ; then
  36     echo ''
  37     echo 'Please check for false positives in the output before submitting a patch.'
  38     echo 'When using "patch" mode, carefully review the patch before submitting it.'
  39     echo ''
  40 fi
  41
  42 coccinelle () {
  43     COCCI="$1"
  44
  45     OPT=`grep "Option" $COCCI | cut -d':' -f2`
  46
  47 #   The option '-parse_cocci' can be used to syntaxically check the SmPL files.
  48 #
  49 #    $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null
  50
  51     if [ "$ONLINE" = "0" ] ; then
  52
  53         FILE=`echo $COCCI | sed "s|$srctree/||"`
  54
  55         echo "Processing `basename $COCCI` with option(s) \"$OPT\""
  56         echo 'Message example to submit a patch:'
  57
  58         sed -e '/\/\/\//!d' -e 's|^///||' $COCCI
  59
  60         echo ' The semantic patch that makes this change is available'
  61         echo " in $FILE."
  62         echo ''
  63         echo ' More information about semantic patching is available at'
  64         echo ' http://coccinelle.lip6.fr/'
  65         echo ''
  66
  67         $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT -dir $srctree || exit 1
  68     else
  69         $SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
  70     fi
  71
  72 }
  73
  74 if [ "$COCCI" = "" ] ; then
  75     for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do
  76         coccinelle $f
  77     done
  78 else
  79     coccinelle $COCCI
  80 fi