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1# Copyright (c) 2021-2022 Huawei Device Co., Ltd.
2# Licensed under the Apache License, Version 2.0 (the "License");
3# you may not use this file except in compliance with the License.
4# You may obtain a copy of the License at
5#
6# http://www.apache.org/licenses/LICENSE-2.0
7#
8# Unless required by applicable law or agreed to in writing, software
9# distributed under the License is distributed on an "AS IS" BASIS,
10# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11# See the License for the specific language governing permissions and
12# limitations under the License.
13
14add_custom_target(bytecode_optimizer_coverage DEPENDS bytecodeopt_unit_tests)
15
16add_custom_command(TARGET bytecode_optimizer_coverage POST_BUILD
17    WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR}
18    COMMAND bash ${PANDA_ROOT}/bytecode_optimizer/tools/optimizer_coverage.sh --binary-dir=${PANDA_BINARY_ROOT} --root-dir=${PANDA_ROOT}
19)
20
21option(ENABLE_BYTECODE_OPTIMIZER_COVERAGE "Enable coverage calculation for the bytecode optimizer" false)
22
23find_program(
24    LCOV
25    NAMES "lcov"
26    DOC "Path to lcov executable")
27if(NOT LCOV)
28    set(ENABLE_BYTECODE_OPTIMIZER_COVERAGE false)
29endif()
30
31find_program(
32    GENHTML
33    NAMES "genhtml"
34    DOC "Path to genhtml executable")
35if(NOT GENHTML)
36    set(ENABLE_BYTECODE_OPTIMIZER_COVERAGE false)
37endif()
38
39if(ENABLE_BYTECODE_OPTIMIZER_COVERAGE)
40    # Set coverage options
41    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fprofile-arcs -ftest-coverage")
42    add_custom_target(bo_coverage DEPENDS bytecodeopt_unit_tests) # Execute tests
43    set(ADD_COV_FLAGS --quiet --rc lcov_branch_coverage=1)
44    add_custom_command(TARGET bo_coverage POST_BUILD
45        WORKING_DIRECTORY ${PANDA_BINARY_ROOT}
46        # Update current coverage info
47        COMMAND lcov --no-external -b ${PANDA_ROOT}/bytecode_optimizer -d  ${CMAKE_CURRENT_BINARY_DIR} -c -o bo_coverage.info ${ADD_COV_FLAGS}
48        # Generating an html report
49        COMMAND genhtml -o bo_coverage_report bo_coverage.info --ignore-errors source ${ADD_COV_FLAGS}
50        COMMAND echo "Coverage report: ${PANDA_BINARY_ROOT}/bo_coverage_report"
51        # Delete temporary files to collect statistics
52        COMMAND rm bo_coverage.info
53        COMMAND find ${PANDA_BINARY_ROOT}/* -iname "*.gcda" -delete
54    )
55else()
56    message(STATUS "Coverage will not be calculated (may be enabled by -DENABLE_BYTECODE_OPTIMIZER_COVERAGE=true ).")
57endif(ENABLE_BYTECODE_OPTIMIZER_COVERAGE)
58