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#!/usr/bin/env bash
#
# Copyright (C) 2019 Intel Corporation. All rights reserved.
# SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
#
readonly WORK_DIR=$PWD
readonly WAMR_DIR=${WORK_DIR}/../../..
readonly DST_COV_FILE=$1
readonly SRC_COV_DIR=$2
readonly SRC_TEMP_COV_FILE=wamr_temp.lcov
readonly SRC_COV_FILE=wamr.lcov
# get dest folder
dir=$(dirname ${DST_COV_FILE})
pushd ${dir} > /dev/null 2>&1
readonly DST_COV_DIR=${PWD}
popd > /dev/null 2>&1
if [[ ! -d ${SRC_COV_DIR} ]]; then
echo "${SRC_COV_DIR} doesn't exist, ignore code coverage collection"
exit
fi
echo "Start to collect code coverage of ${SRC_COV_DIR} .."
pushd ${SRC_COV_DIR} > /dev/null 2>&1
# collect all code coverage data
lcov -q -o ${SRC_TEMP_COV_FILE} -c -d . --rc lcov_branch_coverage=1
# extract code coverage data of WAMR source files
lcov -q -r ${SRC_TEMP_COV_FILE} -o ${SRC_TEMP_COV_FILE} \
-rc lcov_branch_coverage=1 \
"*/usr/*" "*/_deps/*" "*/deps/*" "*/tests/unit/*" \
"*/llvm/include/*" "*/include/llvm/*" "*/samples/*" \
"*/app-framework/*" "*/app-mgr/*" "*/test-tools/*" \
"*/tests/standalone/*" "*/tests/*"
if [[ -s ${SRC_TEMP_COV_FILE} ]]; then
if [[ -s ${DST_COV_FILE} ]]; then
# merge code coverage data
lcov --rc lcov_branch_coverage=1 \
--add-tracefile ${SRC_TEMP_COV_FILE} \
-a ${DST_COV_FILE} -o ${SRC_COV_FILE}
# backup the original lcov file
cp -a ${DST_COV_FILE} "${DST_COV_FILE}.orig"
# replace the lcov file
cp -a ${SRC_COV_FILE} ${DST_COV_FILE}
echo "Code coverage file ${DST_COV_FILE} was appended"
else
cp -a ${SRC_TEMP_COV_FILE} ${SRC_COV_FILE}
cp -a ${SRC_COV_FILE} ${DST_COV_FILE}
echo "Code coverage file ${DST_COV_FILE} was generated"
fi
# get ignored prefix path
dir=$(dirname ${WAMR_DIR}/../..)
pushd ${dir} > /dev/null 2>&1
prefix_full_path=${PWD}
popd > /dev/null 2>&1
# generate html output for merged code coverage data
rm -fr ${DST_COV_DIR}/wamr-lcov
genhtml -q -t "WAMR Code Coverage" \
--rc lcov_branch_coverage=1 --prefix=${prefix_full_path} \
-o ${DST_COV_DIR}/wamr-lcov \
${DST_COV_FILE}
cd ${DST_COV_DIR}
rm -f wamr-lcov.zip
zip -r -q -o wamr-lcov.zip wamr-lcov
rm -fr wamr-lcov
echo "Code coverage html ${DST_COV_DIR}/wamr-lcov.zip was generated"
else
echo "generate code coverage html failed"
fi
echo ""
popd > /dev/null 2>&1
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