C++20 compatible polyfill for <expected>
#808
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| name: coverage | |
| on: | |
| push: | |
| branches: | |
| - main | |
| pull_request: | |
| branches: | |
| - main | |
| paths: | |
| - '.github/workflows/coverage.yml' | |
| - 'include/**' | |
| - 'tests/**' | |
| - 'CMakeLists.txt' | |
| - 'cmake/**' | |
| - '.codecov.yml' | |
| workflow_dispatch: | |
| jobs: | |
| coverage: | |
| runs-on: | |
| group: intel-runners | |
| container: libfn/ci-build-gcc:14 | |
| strategy: | |
| fail-fast: false | |
| env: | |
| CC: /usr/local/bin/gcc | |
| CXX: /usr/local/bin/g++ | |
| GCOV: /usr/local/bin/gcov | |
| steps: | |
| - uses: actions/checkout@v4 | |
| - name: Verify compiler compatibility | |
| env: | |
| SOURCE: | | |
| #include <optional> | |
| #include <expected> | |
| #include <cstdio> | |
| int main() { | |
| using type1=std::expected<int, const char*>; | |
| using type2=std::optional<int>; | |
| return type1{1}.and_then([](int i) -> type1 { std::puts("OK expected"); return {i-1}; }).value() | |
| + type2{2}.and_then([](int i) -> type2 { std::puts("OK optional"); return {i-2}; }).value(); | |
| } | |
| run: | | |
| printf "CXX=%s\nCXXFLAGS=%s\n" "$CXX" "$CXXFLAGS" | |
| $CXX --version | head -1 | |
| FILE=$(mktemp --tmpdir XXXXXX.cpp) | |
| printf "$SOURCE\n" > $FILE | |
| OUT=$(mktemp --tmpdir XXXXXX) | |
| $CXX -std=c++2b $CXXFLAGS -Wall $FILE -o $OUT | |
| $OUT | |
| - name: Prepare build | |
| shell: bash | |
| env: | |
| CMAKE_GENERATOR: Ninja | |
| CMAKE_BUILD_TYPE: Debug | |
| COVERAGE_OPTS: "-g --coverage -fprofile-abs-path -fno-early-inlining" | |
| run: | | |
| mkdir .build | |
| cd .build | |
| cmake -DCMAKE_C_FLAGS="$COVERAGE_OPTS" -DCMAKE_CXX_FLAGS="$COVERAGE_OPTS" .. | |
| COMPILER=$( grep -E "^CMAKE_CXX_COMPILER:FILEPATH=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| FLAGS=$( grep -iE "^CMAKE_CXX_FLAGS:STRING=" CMakeCache.txt | sed -e "s|^[^=]*=||" ) | |
| printf "C++ compiler: %s\n" "$COMPILER" | |
| printf "C++ compiler version: %s\n" "$( $COMPILER --version | head -1 )" | |
| printf "C++ compilation options: %s\n" "$FLAGS" | |
| printf "gcov version: %s\n" "$( $GCOV --version | head -1 )" | |
| [[ "$( realpath $CXX )" == "$( realpath $COMPILER )" ]] || exit 13 | |
| - name: Run coverage target | |
| shell: bash | |
| run: | | |
| cd .build | |
| cmake --build . | |
| ctest -L 'tests_p?fn' -j1 # generate .gcda files | |
| $GCOV -pbc -r -s $( realpath .. ) $( find tests -type f -name '*.gcno' ) # generate .gcov files | |
| - name: Upload .gcov files | |
| uses: codecov/codecov-action@v4 | |
| with: | |
| fail_ci_if_error: true | |
| disable_search: false | |
| verbose: true | |
| plugin: noop | |
| token: ${{ secrets.CODECOV_TOKEN }} |