name: CI

# Trigger the workflow on push or pull request
on: [ push, pull_request ]

jobs:
  build-check-src:
    name: "Check: code cleanliness"
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - name: Check tabs and whitespace
        shell: bash
        run: ".github/workflows/check_whitespace.sh"

  build-check-testsuite:
    name: "Check: testsuite lint"
    runs-on: ubuntu-20.04
    steps:
      - uses: actions/checkout@v2
      - name: Check CONFDIR
        run: |
          cd testsuite
          ../.github/workflows/check_confdir.py
          ../.github/workflows/check_symlinks.py

  build-ubuntu:
    strategy:
      matrix:
        os: [ ubuntu-18.04, ubuntu-20.04, ubuntu-22.04 ]
    name: "Build: ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - name: Checkout submodules
        shell: bash
        run: |
          auth_header="$(git config --local --get http.https://github.com/.extraheader)"
          git submodule sync --recursive
          git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
      - name: Install dependencies
        shell: bash
        run: |
          sudo .github/workflows/install_dependencies_ubuntu.sh
          # Don't rely on the VM to pick the GHC version
          ghcup install ghc 9.0.1
          ghcup set ghc 9.0.1
      # Until BSC uses cabal to build, pre-install these packages
      - name: Install Haskell dependencies
        shell: bash
        run: |
          cabal update
          cabal v1-install old-time regex-compat split syb
      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every build,
      # and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: build-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            build-${{ matrix.os }}-ccache-
      - name: Build
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          ccache --zero-stats --max-size 250M
          export PATH=/usr/lib/ccache:$PATH
          make -j3 GHCJOBS=2 GHCRTSFLAGS='+RTS -M5G -A128m -RTS' install-src
          tar czf inst.tar.gz inst
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats
      - name: Smoketest
        run: "make check-smoke"
      # Check that .ghci has all the right flags to load the source.
      # This is important for text editor integration & tools like ghcid
      # NB stp, yices and htcl must be built first, so do this after Build.
      - name: Check GHCI :load
        run: |
          cd src/comp
          export NOGIT=0
          export NOUPDATEBUILDVERSION=0
          ./update-build-version.sh
          ./update-build-system.sh
          echo ':load bsc.hs' | ghci 2>&1 | tee ghci.log
          if grep '\(Failed\|error:\)' ghci.log
          then
            echo "GHCi reported errors."
            exit 1
          else
            echo "GHCi loaded successfully."
            exit 0
          fi
      - name: Upload artifact
        uses: actions/upload-artifact@v1
        with:
          name: ${{ matrix.os }} build
          path: inst.tar.gz

  build-macOS:
    strategy:
      matrix:
        os: [ macos-10.15, macos-11, macos-12 ]
    name: "Build: ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - name: Checkout submodules
        shell: bash
        run: |
          auth_header="$(git config --local --get http.https://github.com/.extraheader)"
          git submodule sync --recursive
          git -c "http.extraheader=$auth_header" -c protocol.version=2 submodule update --init --force --recursive --depth=1
      - name: Install dependencies
        shell: bash
        run: |
          .github/workflows/install_dependencies_macos.sh
          # Don't rely on the VM to pick the GHC version
          ghcup install ghc 9.0.1
          ghcup set ghc 9.0.1
      # Until BSC uses cabal to build, pre-install these packages
      - name: Install Haskell dependencies
        shell: bash
        run: |
          cabal update
          cabal v1-install old-time regex-compat split syb
      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every build,
      # and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: build-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            build-${{ matrix.os }}-ccache-
      - name: Build
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          ccache --zero-stats --max-size 250M
          export PATH=$(brew --prefix)/opt/ccache/libexec:$PATH

          # Hack: Remove incompatible TCL header that something has installed
          # in /usr/local/include in the GitHub CI image. This dir is at the
          # start of the compiler's default search path, and overrides the
          # system tcl.h, and causes a linker failure (because of a macro that
          # renames Tcl_Main to Tcl_MainEx). We want to build against the
          # system TCL so we don't introduce any extra deps for the bluetcl
          # binary.
          rm -f /usr/local/include/tcl.h

          make -j3 GHCJOBS=2 GHCRTSFLAGS='+RTS -M4500M -A128m -RTS' install-src
          tar czf inst.tar.gz inst
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats
      - name: Smoketest
        run: "make check-smoke"
      # Check that .ghci has all the right flags to load the source.
      # This is important for text editor integration & tools like ghcid
      # NB stp, yices and htcl must be built first, so do this after Build.
      - name: Check GHCI :load
        run: |
          cd src/comp
          export NOGIT=0
          export NOUPDATEBUILDVERSION=0
          ./update-build-version.sh
          ./update-build-system.sh
          echo ':load bsc.hs' | ghci 2>&1 | tee ghci.log
          if grep '\(Failed\|error:\)' ghci.log
          then
            echo "GHCi reported errors."
            exit 1
          else
            echo "GHCi loaded successfully."
            exit 0
          fi
      - name: Upload artifact
        uses: actions/upload-artifact@v1
        with:
          name: ${{ matrix.os }} build
          path: inst.tar.gz

  build-doc-ubuntu:
    strategy:
      matrix:
        os: [ ubuntu-18.04, ubuntu-20.04, ubuntu-22.04 ]
    name: "Build doc: ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - name: Install dependencies
        shell: bash
        run: "sudo .github/workflows/install_dependencies_doc_ubuntu.sh"
      - name: Build
        run: |
          make -j3 install-doc
          tar czf inst.tar.gz inst
      - name: Upload artifact
        uses: actions/upload-artifact@v1
        with:
          name: ${{ matrix.os }} build doc
          path: inst.tar.gz

  build-doc-macOS:
    strategy:
      matrix:
        os: [ macos-10.15, macos-11, macos-12 ]
    name: "Build doc: ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v2
      - name: Install dependencies
        shell: bash
        run: ".github/workflows/install_dependencies_doc_macos.sh"
      - name: Build
        run: |
          # Brew install of mactex doesn't update the path until a new shell is opened
          export PATH=/Library/TeX/texbin/:$PATH

          make -j3 install-doc
          tar czf inst.tar.gz inst
      - name: Upload artifact
        uses: actions/upload-artifact@v1
        with:
          name: ${{ matrix.os }} build doc
          path: inst.tar.gz

  test-ubuntu:
    strategy:
      matrix:
        os: [ ubuntu-18.04, ubuntu-20.04, ubuntu-22.04 ]
      fail-fast: false
    name: "Test ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    needs: build-ubuntu
    steps:
      - uses: actions/checkout@v2
      - name: Install dependencies
        shell: bash
        run: "sudo .github/workflows/install_dependencies_testsuite_ubuntu.sh"

      - name: Download bsc
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.os }} build
      - name: Install bsc
        run: "tar xzf inst.tar.gz"

      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every
      # successful build, and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: test-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            test-${{ matrix.os }}-ccache-

      # Restore the cache of a SystemC build if it exists and the
      # build script hasn't changed.
      # Don't do this on newer Ubuntu because we apt-get install libsystemc-dev
      - name: Cache SystemC build
        id: systemc-cache
        if: matrix.os == 'ubuntu-18.04'
        uses: actions/cache@v2
        env:
          cache-name: systemc-build
        with:
          path: ~/systemc
          key: ${{ matrix.os }}-build-${{ env.cache-name }}-${{ hashFiles('.github/workflows/build_systemc.sh') }}

      # If there's no cached build, download the source tarball,
      # do the build (and the cache action will save it for us at
      # the end of a successful workflow)
      # Don't do this on newer Ubuntu because we apt-get install libsystemc-dev
      - name: Build SystemC
        if: matrix.os == 'ubuntu-18.04' && steps.systemc-cache.outputs.cache-hit != 'true'
        shell: bash
        run: ".github/workflows/build_systemc.sh"

      # Finally, after all this setup, run the testsuite!
      - name: Run testsuite
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          # Use ccache to avoid recompiling generated .cxx every run.
          ccache --zero-stats --max-size 500M
          export PATH=/usr/lib/ccache:$PATH

          # Use the LLVM linker as the C++ linker
          # for a moderate build-time speedup over ld.bfd
          export LINKER=lld
          export LDFLAGS="-Wl,-fuse-ld=$LINKER"

          # Use -O0 for significantly faster C++ compiles (which more
          # than make up for slower simulations)
          export CXXFLAGS="-O0"

          # For Ubuntu without a SystemC package, use the local build
          REL=$(lsb_release -rs | tr -d .)
          if [ $REL -lt 1910 ]; then
              export TEST_SYSTEMC_INC=$HOME/systemc/include
              export TEST_SYSTEMC_LIB=$HOME/systemc/lib-linux64
          fi

          # Always archive logs, even if make fails (and terminates this script
          # because it's invoked with :set -eo pipefile)
          trap ./testsuite/archive_logs.sh EXIT

          make -C testsuite

      # Show ccache stats so we can see what the hit-rate is like.
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats

      # Save test logs on failure so we can diagnose
      - name: Archive test logs
        if: failure()
        uses: actions/upload-artifact@v1
        with:
          name: test-logs-${{ matrix.os }}
          path: logs.tar.gz

  test-macOS:
    strategy:
      matrix:
        os: [ macos-10.15, macos-11, macos-12 ]
    name: "Test ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    needs: build-macos
    steps:
      - uses: actions/checkout@v2
      - name: Install dependencies
        shell: bash
        run: ".github/workflows/install_dependencies_testsuite_macos.sh"

      - name: Download bsc
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.os }} build
      - name: Install bsc
        run: "tar xzf inst.tar.gz"

      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every
      # successful build, and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: test-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            test-${{ matrix.os }}-ccache-

      - name: Run testsuite
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          # Use ccache to avoid recompiling generated .cxx every run.
          ccache --zero-stats --max-size 500M
          export PATH=$(brew --prefix)/opt/ccache/libexec:$PATH

          # Use -O0 for significantly faster C++ compiles (which more
          # than make up for slower simulations).
          export CXXFLAGS="-O0"

          # Always archive logs, even if make fails (and terminates this script
          # because it's invoked with :set -eo pipefile)
          trap ./testsuite/archive_logs.sh EXIT

          make -C testsuite \
               TEST_SYSTEMC_INC=$(brew --prefix systemc)/include \
               TEST_SYSTEMC_LIB=$(brew --prefix systemc)/lib

      # Show ccache stats so we can see what the hit-rate is like.
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats

      # Save test logs on failure so we can diagnose
      - name: Archive test logs
        if: failure()
        uses: actions/upload-artifact@v2
        with:
          name: test-logs-${{ matrix.os }}
          path: logs.tar.gz

  test-toooba-ubuntu:
    strategy:
      matrix:
        os: [ ubuntu-18.04, ubuntu-20.04, ubuntu-22.04 ]
      fail-fast: false
    name: "Test Toooba ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    needs: build-ubuntu
    steps:
      - uses: actions/checkout@v2

      - name: Install dependencies
        run: |
          sudo apt-get install -y ccache libelf-dev

      - name: Download bsc
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.os }} build
      - name: Install bsc
        run: "tar xzf inst.tar.gz"

      - name: Download Toooba
        run: |
          git clone --recursive https://github.com/bluespec/Toooba ../Toooba

      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every
      # successful build, and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: test-toooba-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            test-toooba-${{ matrix.os }}-ccache-

      - name: Compile and link Toooba
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          # Use ccache to avoid recompiling generated .cxx every run.
          ccache --zero-stats --max-size 500M
          export PATH=/usr/lib/ccache:$PATH

          export PATH=$PWD/../bsc/inst/bin:$PATH

          cd ../Toooba/builds/RV64ACDFIMSU_Toooba_bluesim/

          # Use -O0 for significantly faster C++ compiles (which more
          # than make up for slower simulations)
          export CXXFLAGS="-O0"

          # Workaround hardcoded parallelism
          sed -i 's/-parallel-sim-link 8/-parallel-sim-link 2/' ../Resources/Include_bluesim.mk

          # For ccache to be effective, the output needs to be reproducible
          make BSC_C_FLAGS="-no-show-version -no-show-timestamps" all

      - name: Test Toooba
        run: |
          export PATH=$PWD/../bsc/inst/bin:$PATH

          cd ../Toooba/Tests/elf_to_hex

          # Workaround a build failure on Ubuntu 22.04
          REL=$(lsb_release -rs | tr -d .)
          if [ $REL -lt 2204 ]; then
              make
          else
              gcc -g  -o elf_to_hex  elf_to_hex.c  -lelf -mcmodel=medium
          fi

          cd ../../builds/RV64ACDFIMSU_Toooba_bluesim/

          # Workaround bugs in the regression script
          #make isa_tests | tee isa_tests.log
          #grep -q 'FAIL:        0 tests' isa_tests.log
          make test | tee test.log
          grep -q 'PASS' test.log

      # Show ccache stats so we can see what the hit-rate is like.
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats

  test-toooba-macOS:
    strategy:
      matrix:
        os: [ macos-10.15, macos-11, macos-12 ]
    name: "Test Toooba ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    needs: build-macos
    steps:
      - uses: actions/checkout@v2

      - name: Install dependencies
        run: |
          brew install ccache libelf

      - name: Download bsc
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.os }} build
      - name: Install bsc
        run: "tar xzf inst.tar.gz"

      - name: Download Toooba
        run: |
          git clone --recursive https://github.com/bluespec/Toooba ../Toooba

      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every
      # successful build, and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: test-toooba-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            test-toooba-${{ matrix.os }}-ccache-

      - name: Compile and link Toooba
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          # Use ccache to avoid recompiling generated .cxx every run.
          ccache --zero-stats --max-size 500M
          export PATH=$(brew --prefix)/opt/ccache/libexec:$PATH

          export PATH=$PWD/../bsc/inst/bin:$PATH

          cd ../Toooba/builds/RV64ACDFIMSU_Toooba_bluesim/

          # Use -O0 for significantly faster C++ compiles (which more
          # than make up for slower simulations)
          export CXXFLAGS="-O0"

          # Workaround hardcoded parallelism
          sed -i -e 's/-parallel-sim-link 8/-parallel-sim-link 2/' ../Resources/Include_bluesim.mk

          # For ccache to be effective, the output needs to be reproducible
          make BSC_C_FLAGS="-no-show-version -no-show-timestamps" all

      - name: Test Toooba
        run: |
          export PATH=$PWD/../bsc/inst/bin:$PATH

          cd ../Toooba/Tests/elf_to_hex

          make CPATH=/usr/local/include/libelf

          cd ../../builds/RV64ACDFIMSU_Toooba_bluesim/

          # Workaround bugs in the regression script
          #make isa_tests | tee isa_tests.log
          #grep -q 'FAIL:        0 tests' isa_tests.log
          make test | tee test.log
          grep -q 'PASS' test.log

      # Show ccache stats so we can see what the hit-rate is like.
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats

  test-contrib-ubuntu:
    strategy:
      matrix:
        os: [ ubuntu-18.04, ubuntu-20.04, ubuntu-22.04 ]
      fail-fast: false
    name: "Test bsc-contrib ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    needs: build-ubuntu
    steps:
      - uses: actions/checkout@v2

      - name: Install dependencies
        shell: bash
        run: "sudo .github/workflows/install_dependencies_testsuite_ubuntu.sh"

      - name: Download bsc
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.os }} build
      - name: Install bsc
        run: "tar xzf inst.tar.gz"

      - name: Download bsc-contrib
        run: |
          git clone --recursive https://github.com/B-Lang-org/bsc-contrib ../bsc-contrib

      - name: Build and install bsc-contrib
        run: |
          export PATH=$PWD/../bsc/inst/bin:$PATH
          make -C ../bsc-contrib/

      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every
      # successful build, and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: test-contrib-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            test-contrib-${{ matrix.os }}-ccache-

      - name: Run bsc-contrib tests
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          # Use ccache to avoid recompiling generated .cxx every run.
          ccache --zero-stats --max-size 500M
          export PATH=/usr/lib/ccache:$PATH

          # Use the LLVM linker as the C++ linker
          # for a moderate build-time speedup over ld.bfd
          export LINKER=lld
          export LDFLAGS="-Wl,-fuse-ld=$LINKER"

          # Use -O0 for significantly faster C++ compiles (which more
          # than make up for slower simulations).
          export CXXFLAGS="-O0"

          # Copy the bsc-contrib tests into place
          cp -r ../bsc-contrib/testing/bsc.contrib testsuite/

          # Inform the tests of the path to the bsc-contrib libraries
          export BSCCONTRIBDIR=$PWD/../bsc-contrib/inst

          # Always archive logs, even if make fails (and terminates this script
          # because it's invoked with :set -eo pipefile)
          trap ./testsuite/archive_logs.sh EXIT

          make -C testsuite/bsc.contrib check

      # Show ccache stats so we can see what the hit-rate is like.
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats

      # Save test logs on failure so we can diagnose
      - name: Archive test logs
        if: failure()
        uses: actions/upload-artifact@v1
        with:
          name: test-contrib-logs-${{ matrix.os }}
          path: logs.tar.gz

  test-contrib-macOS:
    strategy:
      matrix:
        os: [ macos-10.15, macos-11, macos-12 ]
    name: "Test bsc-contrib ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    needs: build-macos
    steps:
      - uses: actions/checkout@v2
      - name: Install dependencies
        shell: bash
        run: ".github/workflows/install_dependencies_testsuite_macos.sh"

      - name: Download bsc
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.os }} build
      - name: Install bsc
        run: "tar xzf inst.tar.gz"

      - name: Download bsc-contrib
        run: |
          git clone --recursive https://github.com/B-Lang-org/bsc-contrib ../bsc-contrib

      - name: Build and install bsc-contrib
        run: |
          export PATH=$PWD/../bsc/inst/bin:$PATH
          make -C ../bsc-contrib/

      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every
      # successful build, and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: test-contrib-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            test-contrib-${{ matrix.os }}-ccache-

      - name: Run bsc-contrib tests
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          # Use ccache to avoid recompiling generated .cxx every run.
          ccache --zero-stats --max-size 500M
          export PATH=$(brew --prefix)/opt/ccache/libexec:$PATH

          # Use -O0 for significantly faster C++ compiles (which more
          # than make up for slower simulations).
          export CXXFLAGS="-O0"

          # Copy the bsc-contrib tests into place
          cp -r ../bsc-contrib/testing/bsc.contrib testsuite/

          # Inform the tests of the path to the bsc-contrib libraries
          export BSCCONTRIBDIR=$PWD/../bsc-contrib/inst

          # Always archive logs, even if make fails (and terminates this script
          # because it's invoked with :set -eo pipefile)
          trap ./testsuite/archive_logs.sh EXIT

          make -C testsuite/bsc.contrib check

      # Show ccache stats so we can see what the hit-rate is like.
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats

      # Save test logs on failure so we can diagnose
      - name: Archive test logs
        if: failure()
        uses: actions/upload-artifact@v2
        with:
          name: test-contrib-logs-${{ matrix.os }}
          path: logs.tar.gz

  test-bdw-ubuntu:
    strategy:
      matrix:
        os: [ ubuntu-18.04, ubuntu-20.04, ubuntu-22.04 ]
      fail-fast: false
    name: "Test bdw ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    needs: build-ubuntu
    steps:
      - uses: actions/checkout@v2

      - name: Download bsc
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.os }} build
      - name: Install bsc
        run: "tar xzf inst.tar.gz"

      - name: Download bdw
        run: |
          git clone --recursive https://github.com/B-Lang-org/bdw ../bdw

      - name: Build and install bdw
        run: |
          export PATH=$PWD/../bsc/inst/bin:$PATH
          make -C ../bdw/

      - name: Install dependencies
        shell: bash
        run: "sudo ../bdw/.github/workflows/install_dependencies_testsuite_ubuntu.sh"

      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every
      # successful build, and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: test-bdw-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            test-bdw-${{ matrix.os }}-ccache-

      - name: Run bdw tests
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          # Use ccache to avoid recompiling generated .cxx every run.
          ccache --zero-stats --max-size 500M
          export PATH=/usr/lib/ccache:$PATH

          # Use the LLVM linker as the C++ linker
          # for a moderate build-time speedup over ld.bfd
          export LINKER=lld
          export LDFLAGS="-Wl,-fuse-ld=$LINKER"

          # Use -O0 for significantly faster C++ compiles (which more
          # than make up for slower simulations).
          export CXXFLAGS="-O0"

          # Copy the bdw tests into place
          cp -r ../bdw/testing/bsc.bdw testsuite/

          # Inform the tests of the path to bdw
          export BDW=$PWD/../bdw/inst/bin/bdw

          # Always archive logs, even if make fails (and terminates this script
          # because it's invoked with :set -eo pipefile)
          trap ./testsuite/archive_logs.sh EXIT

          xvfb-run -a make -C testsuite/bsc.bdw check

      # Show ccache stats so we can see what the hit-rate is like.
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats

      # Save test logs on failure so we can diagnose
      - name: Archive test logs
        if: failure()
        uses: actions/upload-artifact@v1
        with:
          name: test-bdw-logs-${{ matrix.os }}
          path: logs.tar.gz

  test-bdw-macOS:
    strategy:
      matrix:
        os: [ macos-10.15, macos-11, macos-12 ]
    name: "Test bdw ${{ matrix.os }}"
    runs-on: ${{ matrix.os }}
    needs: build-macos
    steps:
      - uses: actions/checkout@v2

      - name: Download bsc
        uses: actions/download-artifact@v2
        with:
          name: ${{ matrix.os }} build
      - name: Install bsc
        run: "tar xzf inst.tar.gz"

      - name: Download bdw
        run: |
          git clone --recursive https://github.com/B-Lang-org/bdw ../bdw

      - name: Build and install bdw
        run: |
          export PATH=$PWD/../bsc/inst/bin:$PATH
          make -C ../bdw/

      - name: Install dependencies
        shell: bash
        run: "../bdw/.github/workflows/install_dependencies_testsuite_macos.sh"

      # Restore previous ccache cache of compiled object files. Use a SHA
      # in the key so that a new cache file is generated after every
      # successful build, and have the restore-key use the most recent.
      - name: CCache cache files
        uses: actions/cache@v2
        with:
          path: ${{ GITHUB.WORKSPACE }}/ccache
          key: test-bdw-${{ matrix.os }}-ccache-${{ github.sha }}
          restore-keys: |
            test-bdw-${{ matrix.os }}-ccache-

      - name: Run bdw tests
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: |
          # Use ccache to avoid recompiling generated .cxx every run.
          ccache --zero-stats --max-size 500M
          export PATH=$(brew --prefix)/opt/ccache/libexec:$PATH

          # Use -O0 for significantly faster C++ compiles (which more
          # than make up for slower simulations).
          export CXXFLAGS="-O0"

          # Copy the bdw tests into place
          cp -r ../bdw/testing/bsc.bdw testsuite/

          # Inform the tests of the path to bdw
          export BDW=$PWD/../bdw/inst/bin/bdw

          # Always archive logs, even if make fails (and terminates this script
          # because it's invoked with :set -eo pipefile)
          trap ./testsuite/archive_logs.sh EXIT

          make -C testsuite/bsc.bdw check

      # Show ccache stats so we can see what the hit-rate is like.
      - name: CCache stats
        env:
          CCACHE_DIR: ${{ GITHUB.WORKSPACE }}/ccache
        run: ccache --show-stats

      # Save test logs on failure so we can diagnose
      - name: Archive test logs
        if: failure()
        uses: actions/upload-artifact@v2
        with:
          name: test-bdw-logs-${{ matrix.os }}
          path: logs.tar.gz