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Nicolas Palix 1e9dea2a60 Add support for the C variable in the coccicheck script

This patch makes it possible to use the Coccinelle checker with the C
variable of the build system. To check only newly edited code, the
following command may be used:

'make C={1,2} CHECK="scripts/coccicheck"'

This runs every semantic patch in scripts/coccinelle by default. The
COCCI variable may additionally be used to only apply a single
semantic patch.

Signed-off-by: Nicolas Palix <npalix@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Michal Marek <mmarek@suse.cz>

2010-06-28 16:44:53 +02:00

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#!/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="' 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

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