sudo: false
dist: trusty
language: cpp
cache: apt

git:
  depth: 1

matrix:
  include:
    - os: linux
      compiler: gcc
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-6
            - valgrind
            - cmake
            - cmake-data
            - ninja-build
      env:
        - COMPILER=g++-6
        - WITH_NO_EXCEPTIONS=OFF
        - WITH_AWAIT=OFF

    - os: linux
      compiler: clang
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-5.0
          packages:
            - clang-5.0
            - cmake
            - cmake-data
            - ninja-build
      env:
        - COMPILER=clang++-5.0
        - WITH_NO_EXCEPTIONS=OFF
        - WITH_AWAIT=OFF

    - os: linux
      compiler: clang
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
            - llvm-toolchain-trusty-5.0
          packages:
            - clang-5.0
            - cmake
            - cmake-data
            - ninja-build
      env:
        - COMPILER=clang++-5.0
        - WITH_NO_EXCEPTIONS=ON
        - WITH_AWAIT=ON

install:
  - export CXX=$COMPILER
  - $CXX --version
script:
  ############################################################################
  # Install libc++ and libc++abi if needed
  # Taken from here: https://github.com/boostorg/hana/blob/master/.travis.yml
  ############################################################################
  - |
    if [[ "${CXX%%+*}" == "clang" ]]; then
      if   [[ "${CXX}" == "clang++-3.5" ]]; then LLVM_VERSION="3.5.2";
      elif [[ "${CXX}" == "clang++-3.6" ]]; then LLVM_VERSION="3.6.2";
      elif [[ "${CXX}" == "clang++-3.7" ]]; then LLVM_VERSION="3.7.1";
      elif [[ "${CXX}" == "clang++-3.8" ]]; then LLVM_VERSION="3.8.1";
      elif [[ "${CXX}" == "clang++-3.9" ]]; then LLVM_VERSION="3.9.1";
      elif [[ "${CXX}" == "clang++-4.0" ]]; then LLVM_VERSION="4.0.0";
      elif [[ "${CXX}" == "clang++-5.0" ]]; then LLVM_VERSION="5.0.0";
      fi
      LLVM_URL="http://llvm.org/releases/${LLVM_VERSION}/llvm-${LLVM_VERSION}.src.tar.xz"
      LIBCXX_URL="http://llvm.org/releases/${LLVM_VERSION}/libcxx-${LLVM_VERSION}.src.tar.xz"
      LIBCXXABI_URL="http://llvm.org/releases/${LLVM_VERSION}/libcxxabi-${LLVM_VERSION}.src.tar.xz"
      mkdir -p llvm llvm/build llvm/projects/libcxx llvm/projects/libcxxabi
      travis_retry wget -O - ${LLVM_URL} | tar --strip-components=1 -xJ -C llvm
      travis_retry wget -O - ${LIBCXX_URL} | tar --strip-components=1 -xJ -C llvm/projects/libcxx
      travis_retry wget -O - ${LIBCXXABI_URL} | tar --strip-components=1 -xJ -C llvm/projects/libcxxabi
      (cd llvm/build && cmake .. -DCMAKE_INSTALL_PREFIX=${TRAVIS_BUILD_DIR}/llvm/install)
      (cd llvm/build/projects/libcxx && make install -j2)
      (cd llvm/build/projects/libcxxabi && make install -j2)
      export STD_CXX_FLAGS="-isystem ${TRAVIS_BUILD_DIR}/llvm/install/include/c++/v1 -stdlib=libc++"
      export STD_LINKER_FLAGS="-L ${TRAVIS_BUILD_DIR}/llvm/install/lib -l c++ -l c++abi"
      export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${TRAVIS_BUILD_DIR}/llvm/install/lib"
    fi
  # Function for creating a new 'build' directory
  - |
    function renew_build {
      echo "Renew build directory..."
      cd $TRAVIS_BUILD_DIR

      # Remove any existing build directory
      [ -e build ] && rm -r -f build
      mkdir build
      cd build

      # Configure the project and build it
      cmake -GNinja -DCMAKE_CXX_FLAGS="$STD_CXX_FLAGS $CMAKE_CXX_FLAGS -Werror" -DCMAKE_EXE_LINKER_FLAGS="$STD_LINKER_FLAGS" -DCTI_CONTINUABLE_WITH_NO_EXCEPTIONS=$WITH_NO_EXCEPTIONS -DCTI_CONTINUABLE_WITH_AWAIT=$WITH_AWAIT -DCMAKE_BUILD_TYPE=Debug ..
    }
  - |
    if [[ $COMPILER == *"clang"* ]]; then
      ASAN_OPTIONS=abort_on_error=1

      # Build the test suite with various sanitizers:
      # - ASan (LSan):
      echo "Building with address sanitizer..."
      CMAKE_CXX_FLAGS="-fsanitize=address -fno-omit-frame-pointer"
      renew_build
      ninja -j2
      ctest --verbose

      # - UBSan:
      echo "Building with undefined behaviour sanitizer..."
      CMAKE_CXX_FLAGS="-fsanitize=undefined -fno-omit-frame-pointer"
      renew_build
      ninja -j2
      ctest --verbose
    else
      # Build an run the tests suite with valgrind
      renew_build
      ninja -j2
      valgrind --error-exitcode=1 --leak-check=full --show-reachable=yes ctest --verbose
    fi

notifications:
  email: false