name: CI

on:
  push:
    branches: [main, "ci/**"]
    tags: ["v*"]
  pull_request:

env:
  LLVM_VERSION: 21.1.8

jobs:
  linux:
    strategy:
      fail-fast: false
      matrix:
        include:
          - { os: ubuntu-24.04, arch: x64 }
          - { os: ubuntu-24.04-arm, arch: arm64 }
    name: linux-${{ matrix.arch }}
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v4
      - name: Install LLVM 21, libclang, tools
        run: |
          wget -q https://apt.llvm.org/llvm.sh
          sudo bash llvm.sh 21
          sudo apt-get install -y llvm-21-dev libclang-21-dev ninja-build valgrind
          echo "/usr/lib/llvm-21/bin" >> $GITHUB_PATH
      - name: Build
        run: |
          cmake -S . -B build -G Ninja -DLLVM_DIR=/usr/lib/llvm-21/lib/cmake/llvm -DCMAKE_BUILD_TYPE=Release
          ninja -C build
          build/finch version
      - name: Tests
        run: tests/run.sh
      - name: Tests under valgrind
        if: matrix.arch == 'x64'
        run: MEMCHECK=1 tests/run.sh
      - name: Self-hosting
        run: tests/boot.sh
      - name: Language server
        run: python3 tests/lsp_test.py
      - name: Package
        run: |
          mkdir -p dist/finch && cp build/finch README.md LICENSE dist/finch/ && cp -r examples dist/finch/
          tar -czf finch-linux-${{ matrix.arch }}.tar.gz -C dist finch
      - uses: actions/upload-artifact@v4
        with:
          name: finch-linux-${{ matrix.arch }}
          path: finch-linux-${{ matrix.arch }}.tar.gz

  macos:
    runs-on: macos-15
    steps:
      - uses: actions/checkout@v4
      - name: Install LLVM 21
        run: |
          brew install llvm@21 ninja
          echo "$(brew --prefix llvm@21)/bin" >> $GITHUB_PATH
      - name: Build
        run: |
          cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DLLVM_DIR="$(brew --prefix llvm@21)/lib/cmake/llvm"
          ninja -C build
          build/finch version
      - name: Tests
        run: CC=/usr/bin/clang tests/run.sh
      - name: Self-hosting
        run: CC=/usr/bin/clang tests/boot.sh
      - name: Language server
        run: python3 tests/lsp_test.py
      - name: Apple frameworks
        run: |
          cat > fw.fch <<'EOF'
          import "CoreFoundation/CoreFoundation.h"
          link "CoreFoundation.framework"

          fn main() {
              print(CFAbsoluteTimeGetCurrent() > 0.0)
          }
          EOF
          out=$(CC=/usr/bin/clang build/finch run fw.fch)
          echo "$out"
          test "$out" = "true"
      - name: Package
        run: |
          mkdir -p dist/finch && cp build/finch README.md LICENSE dist/finch/ && cp -r examples dist/finch/
          tar -czf finch-macos-arm64.tar.gz -C dist finch
      - uses: actions/upload-artifact@v4
        with:
          name: finch-macos-arm64
          path: finch-macos-arm64.tar.gz

  vscode:
    runs-on: ubuntu-24.04
    defaults:
      run:
        working-directory: editors/vscode
    steps:
      - uses: actions/checkout@v4
      - uses: actions/setup-node@v4
        with:
          node-version: 20
      - run: npm ci
      - name: Grammar test
        run: npm test
      - name: Package
        run: npx vsce package --out finch-lang.vsix
      - uses: actions/upload-artifact@v4
        with:
          name: finch-vscode
          path: editors/vscode/finch-lang.vsix

  windows:
    runs-on: windows-2022
    defaults:
      run:
        shell: bash
    steps:
      - uses: actions/checkout@v4
      - uses: ilammy/msvc-dev-cmd@v1
      - name: Cache LLVM
        id: cache-llvm
        uses: actions/cache@v4
        with:
          path: C:/llvm
          key: llvm-${{ env.LLVM_VERSION }}-x86_64-pc-windows-msvc
      - name: Download LLVM ${{ env.LLVM_VERSION }}
        if: steps.cache-llvm.outputs.cache-hit != 'true'
        run: |
          curl -sSL -o llvm.tar.xz "https://github.com/llvm/llvm-project/releases/download/llvmorg-$LLVM_VERSION/clang+llvm-$LLVM_VERSION-x86_64-pc-windows-msvc.tar.xz"
          mkdir -p /c/llvm
          tar -xf llvm.tar.xz -C /c/llvm --strip-components=1
          rm llvm.tar.xz
      - name: Build finch.exe
        run: |
          echo "C:/llvm/bin" >> $GITHUB_PATH
          export PATH="/c/llvm/bin:$PATH"
          cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DLLVM_DIR=C:/llvm/lib/cmake/llvm \
                -DCMAKE_MSVC_RUNTIME_LIBRARY=MultiThreaded -DCMAKE_C_COMPILER=cl -DCMAKE_CXX_COMPILER=cl
          ninja -C build
          cp /c/llvm/bin/libclang.dll build/
          build/finch.exe version
      - name: Tests
        run: |
          export PATH="/c/llvm/bin:$PATH"
          tests/run.sh
      - name: Language server
        run: python tests/lsp_test.py
      - name: Package
        run: |
          mkdir -p dist/finch
          cp build/finch.exe build/libclang.dll dist/finch/
          cp README.md LICENSE dist/finch/
          cp -r examples dist/finch/
          cd dist && 7z a -tzip finch-windows-x64.zip finch > /dev/null
      - uses: actions/upload-artifact@v4
        with:
          name: finch-windows-x64
          path: dist/finch-windows-x64.zip