# #-- clang-analysis.test --#
# source the master var file when it's there
[ -f ../.tpkg.var.master ] && source ../.tpkg.var.master
# use .tpkg.var.test for in test variable passing
[ -f .tpkg.var.test ] && source .tpkg.var.test
# common functions
. ../common.sh

PRE="../.."
if test ! -x "`which clang 2>&1`"; then
	echo "No clang in path"
	exit 0
fi
#echo "have clang"
# test if assertions are enabled
if grep "^#define UNBOUND_DEBUG" $PRE/config.h >/dev/null; then
	:
else
	echo "UNBOUND_DEBUG is not enabled, skip test"
	# no unbound debug means no assertions, and clang analyzer uses
	# the assertions to make inferences.
	exit 0
fi

# read value from Makefile
# $1: result variable name
# $2: string on Makefile
# $3: Makefile location
read_value () {
	x=`grep "$2" $3 | sed -e "s/$2//"`
	eval $1="'""$x""'"
	# print what we just read
	#echo $1"="'"'"`eval echo '$'$1`"'"'
}

# read some values from the Makefile
read_value srcdir '^srcdir=' $PRE/Makefile
read_value CPPFLAGS '^CPPFLAGS=' $PRE/Makefile
read_value LIBOBJS '^LIBOBJS= *' $PRE/Makefile
read_value DNSCRYPT_SRC '^DNSCRYPT_SRC= *' $PRE/Makefile
read_value DNSTAP_SRC '^DNSTAP_SRC= *' $PRE/Makefile
read_value WITH_PYTHONMODULE '^WITH_PYTHONMODULE= *' $PRE/Makefile
read_value WINAPPS '^WINAPPS= *' $PRE/Makefile

#echo dir is $dir
# turn libobjs into C files
compatfiles=`echo "$LIBOBJS" | sed -e 's?..LIBOBJDIR.?compat/?g' -e 's/.U.o/.c/g'`
#echo compatfiles are $compatfiles
#echo
if test "$WITH_PYTHONMODULE" = "yes"; then PYTHONMOD_SRC="pythonmod/*.c"; fi
if test ! -z "$WINAPPS"; then WIN_SRC="winrc/*.c"; fi

cd $PRE;
odir=`pwd`
cd $srcdir
# check the files in the srcdir
fail="no"
for x in cachedb/*.c daemon/*.c dns64/*.c $DNSCRYPT_SRC $DNSTAP_SRC edns-subnet/*.c ipsecmod/*.c iterator/*.c libunbound/*.c $PYTHONMOD_SRC respip/*.c services/*.c services/*/*.c sldns/*.c smallapp/*.c util/*.c util/*/*.c validator/*.c $WIN_SRC $compatfiles testcode/*.c; do
	if test "$x" = "util/configlexer.c"; then continue; fi
	if test "$x" = "util/configparser.c"; then continue; fi
	if test "$x" = "testcode/signit.c"; then continue; fi
	if test "$x" = "compat/reallocarray.c"; then continue; fi
	echo clang --analyze $CPPFLAGS $x
	plist=`basename $x .c`.plist
	rm -rf $plist
	#echo "(cd $odir; clang --analyze $CPPFLAGS $srcdir/$x 2>&1 ) | tee tmp.$$"
	(cd "$odir"; clang --analyze $CPPFLAGS $srcdir/$x 2>&1 ) | tee tmp.$$
	if grep -e warning -e error tmp.$$ >/dev/null; then
		fail="yes"
		fails="$fails $x"
	fi
	rm -rf $plist tmp.$$
done

echo
if test "$fail" = "yes"; then
	echo "Failures"
	echo "create reports in file.plist dir with 	clang --analyze --analyzer-output html $CPPFLAGS""$fails"
	exit 1
fi
echo "OK"
exit 0