ci.yml

on:
  pull_request:
  push: # Run CI on the main branch after every merge. This is important to fill the GitHub Actions cache in a way that pull requests can see it
    branches:
      - main

name: continuous-integration

jobs:
  lint-samples:
    strategy:
      fail-fast: true

    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v3
      - uses: actions/setup-python@v3
        with:
          python-version: '3.x'

      - name: Lint samples
        run: python ./meta/lint_samples.py

  selfhost-unix:
    strategy:
      fail-fast: true
      matrix:
        platform: [ubuntu-22.04]
        cxx_compiler: [clang++-18]
        include:
          - platform: macos-latest
            cxx_compiler: "$(brew --prefix llvm@18)/bin/clang++"

    runs-on: ${{ matrix.platform }}

    steps:
      - uses: actions/checkout@v3
      - name: Setup Ninja
        uses: ashutoshvarma/setup-ninja@master
        with:
          # ninja version to download. Default: 1.10.0
          version: 1.10.0
          dest: ${{ github.workspace }}/ninja_bin

      - name: Install Linux dependencies
        if: ${{ matrix.platform == 'ubuntu-22.04' }}
        run: |
          . /etc/lsb-release
          wget -O /usr/share/keyrings/llvm-snapshot.gpg.key https://apt.llvm.org/llvm-snapshot.gpg.key
          sudo echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg.key] http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME} main" | sudo tee -a /etc/apt/sources.list.d/llvm.list
          sudo echo "deb [signed-by=/usr/share/keyrings/llvm-snapshot.gpg.key] http://apt.llvm.org/${DISTRIB_CODENAME}/ llvm-toolchain-${DISTRIB_CODENAME}-18 main" | sudo tee -a /etc/apt/sources.list.d/llvm.list
          sudo apt-get update
          sudo apt-get install -y clang-18 libclang-18-dev

      - name: Install macOS dependencies
        if: ${{ matrix.platform == 'macos-latest' }}
        run: brew install coreutils llvm@18

      - name: Build Jakt Stage 1
        run: |
          export "CMAKE_PREFIX_PATH=$(brew --prefix llvm@18)"
          cmake -GNinja -B build -DCMAKE_CXX_COMPILER=${{ matrix.cxx_compiler }} -DCMAKE_BUILD_TYPE=Release -DFINAL_STAGE=1 -DCMAKE_INSTALL_PREFIX=jakt-install
          cmake --build build

      - name: Test Jakt Stage 1
        run: ./build/bin/jakttest -C ${{ matrix.cxx_compiler }}

      - name: Build Jakt Stage 2
        run: |
          # Modify CMake cache to set final stage to stage 2
          cmake -B build -DFINAL_STAGE=2
          cmake --build build

      - name: Test Jakt Stage 2
        run: ./build/bin/jakttest -C ${{ matrix.cxx_compiler }}

      - name: Install jakt
        run: cmake --install build

      - name: Create project and build with jakt
        working-directory: ${{ github.workspace }}
        run: |
          ./jakt-install/bin/jakt --create TestProjectJakt
          cd TestProjectJakt
          ../jakt-install/bin/jakt -C ${{ matrix.cxx_compiler }} -O src/main.jakt -o TestProjectJakt
          if ! ./build/TestProjectJakt | grep -q "Hello, World!";
          then
            echo "::error :^( failed, failing job"
            exit 1
          fi
      - name: Create project and build with cmake
        working-directory: ${{ github.workspace }}
        run: |
          ./jakt-install/bin/jakt --create TestProjectCMake
          cd TestProjectCMake
          cmake -GNinja -B build \
            -DCMAKE_CXX_COMPILER=${{ matrix.cxx_compiler }} \
            -DCMAKE_BUILD_TYPE=Release \
            -DCMAKE_PREFIX_PATH=${{ github.workspace }}/jakt-install
          cmake --build build
          if ! ./build/TestProjectCMake | grep -q "Hello, World!";
          then
            echo "::error :^( failed, failing job"
            exit 1
          fi

  selfhost-windows:
    env:
      LLVM_VER: 18.1.6

    strategy:
      fail-fast: true

    runs-on: windows-latest

    steps:
     - run: git config --global core.autocrlf false
     - uses: actions/checkout@v3

     - name: Setup Ninja
       uses: ashutoshvarma/setup-ninja@master
       with:
         # ninja version to download. Default: 1.10.0
         version: 1.10.0
         dest: ${{ github.workspace }}/ninja_bin

     - name: Configure CMake
       env:
         CMAKE_PREFIX_PATH: ${{ github.workspace }}/llvm-install-${{ env.LLVM_VER }}
       run: cmake -B build -G Ninja -DFINAL_STAGE=1 -DCMAKE_CXX_COMPILER=clang++ -DCMAKE_BUILD_TYPE=Release -DCMAKE_INSTALL_PREFIX=jakt-install

     - name: Build Jakt Stage 1 Selfhost
       run: cmake --build build

     - name: Test Jakt Stage 1
       run: .\build\bin\jakttest.exe --cpp-compiler "clang++.exe"

     # FIXME: Share this better with unix job?
     - name: Install jakt
       run: cmake --install build

     - name: Create project and build with jakt
       working-directory: ${{ github.workspace }}
       shell: bash
       run: |
         ./jakt-install/bin/jakt.exe --create TestProjectJakt
         cd TestProjectJakt
         ../jakt-install/bin/jakt.exe -O src/main.jakt -o TestProjectJakt -C "clang-cl"
         if ! ./build/TestProjectJakt.exe | grep -q "Hello, World!";
         then
           echo "::error :^( failed, failing job"
           exit 1
         fi
     - name: Create project and build with cmake
       working-directory: ${{ github.workspace }}
       shell: bash
       run: |
         ./jakt-install/bin/jakt.exe --create TestProjectCMake
         cd TestProjectCMake
         cmake -GNinja -B build \
           -DCMAKE_CXX_COMPILER=clang.exe \
           -DCMAKE_BUILD_TYPE=Release \
           -DCMAKE_PREFIX_PATH="${{ github.workspace }}/jakt-install"
         cmake --build build
         if ! ./build/TestProjectCMake.exe | grep -q "Hello, World!";
         then
           echo "::error :^( failed, failing job"
           exit 1
         fi