#!/bin/sh
  
  SPATCH="`which ${SPATCH:=spatch}`"

  if [ "$C" = "1" -o "$C" = "2" ]; then
      ONLINE=1
  
  # This requires Coccinelle >= 0.2.3
  #    FLAGS="-ignore_unknown_options -very_quiet"
  #    OPTIONS=$*
  
  # Workaround for Coccinelle < 0.2.3
      FLAGS="-I $srctree/include -very_quiet"
      shift $(( $# - 1 ))
      OPTIONS=$1
  else
      ONLINE=0
      FLAGS="-very_quiet"
  fi

  if [ ! -x "$SPATCH" ]; then
      echo 'spatch is part of the Coccinelle project and is available at http://coccinelle.lip6.fr/'
      exit 1
  fi
  
  if [ "$MODE" = "" ] ; then

      if [ "$ONLINE" = "0" ] ; then
  	echo 'You have not explicitly specify the mode to use. Fallback to "report".'
  	echo 'You can specify the mode with "make coccicheck MODE=<mode>"'
  	echo 'Available modes are: report, patch, context, org'
      fi

      MODE="report"
  fi

  if [ "$ONLINE" = "0" ] ; then
      echo ''
      echo 'Please check for false positives in the output before submitting a patch.'
      echo 'When using "patch" mode, carefully review the patch before submitting it.'
      echo ''
  fi

  coccinelle () {

      COCCI="$1"

  
      OPT=`grep "Option" $COCCI | cut -d':' -f2`

  #   The option '-parse_cocci' can be used to syntaxically check the SmPL files.
  #
  #    $SPATCH -D $MODE $FLAGS -parse_cocci $COCCI $OPT > /dev/null

      if [ "$ONLINE" = "0" ] ; then

  	FILE=`echo $COCCI | sed "s|$srctree/||"`

  	echo "Processing `basename $COCCI` with option(s) \"$OPT\""
  	echo 'Message example to submit a patch:'
  
  	sed -e '/\/\/\//!d' -e 's|^///||' $COCCI
  
  	echo ' The semantic patch that makes this change is available'
  	echo " in $FILE."
  	echo ''
  	echo ' More information about semantic patching is available at'
  	echo ' http://coccinelle.lip6.fr/'
  	echo ''
  
  	$SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT -dir $srctree || exit 1
      else
  	$SPATCH -D $MODE $FLAGS -sp_file $COCCI $OPT $OPTIONS || exit 1
      fi

  }
  
  if [ "$COCCI" = "" ] ; then
      for f in `find $srctree/scripts/coccinelle/ -name '*.cocci' -type f | sort`; do

  	coccinelle $f

      done
  else

      coccinelle $COCCI

  fi