libperl-macrogen 0.1.13

Generate Rust FFI bindings from C macro functions in Perl headers
Documentation 
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# 下流統合ビルド (dispatch のみ): libperl-rs の指定ブランチを clone し、
# libperl-macrogen をこの working tree へ [patch.crates-io] で差し替えて
# libperl-sys をビルドする。publish 前の検証用
# (crates.io へバージョンを無駄撃ちしない — doc/plan/todo-2026-08-19.md)。
# 失敗時の build-error.log / macro_bindings.rs は artifact になり、
# tools/build-error-to-vpatches.pl の入力にできる。
name: Downstream

on:
  workflow_dispatch:
    inputs:
      perl-version:
        description: 'Perl version (e.g. 5.30)'
        default: '5.30'
        required: true
      threaded:
        description: 'threaded build'
        type: boolean
        default: true
      libperl-rs-branch:
        description: 'libperl-rs branch'
        default: '12-macrogen-2'
        required: true

env:
  CARGO_TERM_COLOR: always

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v6
      - uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          components: rustfmt
          # 既存コードに未解消の warning があるため -D warnings (action の既定) を無効化
          rustflags: ""
      - name: Install bindgen dependencies
        run: |
          sudo apt-get update
          sudo apt-get install -y llvm-dev libclang-dev clang libnsl-dev
      - uses: shogo82148/actions-setup-perl@v1
        with:
          perl-version: ${{ inputs.perl-version }}
          multi-thread: ${{ inputs.threaded }}
      - name: Clone libperl-rs and patch to this working tree
        run: |
          git clone --depth 1 --branch '${{ inputs.libperl-rs-branch }}' \
            https://github.com/hkoba/libperl-rs downstream
          cat >> downstream/Cargo.toml <<EOF

          # --- appended by downstream.yml ---
          [patch.crates-io]
          libperl-macrogen = { path = "${{ github.workspace }}" }
          EOF
          # 既存 Cargo.lock が crates.io 版を pin していると semver 互換な
          # patch は適用されない — patch 先へ明示更新して適用を検証する
          cd downstream/libperl-sys
          cargo update -p libperl-macrogen
          cargo tree -p libperl-sys | grep 'libperl-macrogen v[0-9.]* (' \
            || { echo '::error::[patch.crates-io] not applied'; exit 1; }
      - name: Build libperl-sys
        run: |
          cd downstream/libperl-sys
          cargo build 2>&1 | tee "$RUNNER_TEMP/build-error.log"
          exit "${PIPESTATUS[0]}"
      - name: Collect generated bindings
        if: always()
        run: |
          GEN=$(find downstream/target/debug/build -name macro_bindings.rs | head -1 || true)
          mkdir -p "$RUNNER_TEMP/collected"
          cp "$RUNNER_TEMP/build-error.log" "$RUNNER_TEMP/collected/" 2>/dev/null || true
          if [ -n "$GEN" ]; then
            cp "$GEN" "$RUNNER_TEMP/collected/"
            [ -f "$(dirname "$GEN")/bindings.rs" ] && cp "$(dirname "$GEN")/bindings.rs" "$RUNNER_TEMP/collected/"
            echo "=== [CODEGEN_SUPPRESSED] count ==="
            grep -c '\[CODEGEN_SUPPRESSED\]' "$GEN" || echo 0
          fi
      - name: Upload artifacts
        if: always()
        uses: actions/upload-artifact@v4
        with:
          name: downstream-${{ inputs.perl-version }}-${{ inputs.threaded && 'threaded' || 'non-threaded' }}
          path: ${{ runner.temp }}/collected/