---
name: Sanitizers
concurrency:
  cancel-in-progress: true
  group: ${{ github.workflow }}-${{ github.ref }}
on:
  pull_request:
    branches:
      - main
    paths-ignore:
      - "docs/**"
  push:
    branches:
      - main
    paths-ignore:
      - "docs/**"
permissions:
  contents: read
env:
  GOTOOLCHAIN: local
jobs:
  # Adapted from https://github.com/beberlei/hdrhistogram-php
  sanitizers:
    name: ${{ matrix.sanitizer }}
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        sanitizer: ["asan", "msan"]
    env:
      CFLAGS: -g -O0 -fsanitize=${{ matrix.sanitizer == 'asan' && 'address' || 'memory' }} -DZEND_TRACK_ARENA_ALLOC
      LDFLAGS: -fsanitize=${{ matrix.sanitizer == 'asan' && 'address' || 'memory' }}
      CC: clang
      CXX: clang++
      USE_ZEND_ALLOC: 0
      LIBRARY_PATH: ${{ github.workspace }}/php/target/lib:${{ github.workspace }}/watcher/target/lib
      LD_LIBRARY_PATH: ${{ github.workspace }}/php/target/lib
      # PHP doesn't free some memory on purpose, we have to disable leaks detection: https://go.dev/doc/go1.26#go-command
      ASAN_OPTIONS: detect_leaks=0
    steps:
      - name: Remove local PHP
        run: sudo apt-get remove --purge --autoremove 'php*' 'libmemcached*'
      - uses: actions/checkout@v6
        with:
          persist-credentials: false
      - uses: actions/setup-go@v6
        with:
          go-version: "1.26"
          cache-dependency-path: |
            go.sum 
            caddy/go.sum
      - name: Determine PHP version
        id: determine-php-version
        run: |
          curl -fsSL 'https://www.php.net/releases/index.php?json&max=1&version=8.5' -o version.json
          echo version="$(jq -r 'keys[0]' version.json)" >> "$GITHUB_OUTPUT"
          echo archive="$(jq -r '.[] .source[] | select(.filename |endswith(".xz")) | "https://www.php.net/distributions/" + .filename' version.json)" >> "$GITHUB_OUTPUT"
      - name: Cache PHP
        id: cache-php
        uses: actions/cache@v5
        with:
          path: php/target
          key: php-sanitizers-${{ matrix.sanitizer }}-${{ runner.arch }}-${{ steps.determine-php-version.outputs.version }}
      - if: steps.cache-php.outputs.cache-hit != 'true'
        name: Compile PHP
        run: |
          mkdir php/
          curl -fsSL "${URL}" | tar -Jx -C php --strip-components=1
          cd php/
          ./configure \
            CFLAGS="$CFLAGS" \
            LDFLAGS="$LDFLAGS" \
            --enable-debug \
            --enable-embed \
            --enable-zts \
            --enable-option-checking=fatal \
            --disable-zend-signals \
            --without-sqlite3 \
            --without-pdo-sqlite \
            --without-libxml \
            --disable-dom \
            --disable-simplexml \
            --disable-xml \
            --disable-xmlreader \
            --disable-xmlwriter \
            --without-pcre-jit \
            --disable-opcache-jit \
            --disable-cli \
            --disable-cgi \
            --disable-phpdbg \
            --without-pear \
            --disable-mbregex \
            --enable-werror \
            ${{ matrix.sanitizer == 'msan' && '--enable-memory-sanitizer' || '' }} \
            --prefix="$(pwd)/target/"
          make -j"$(getconf _NPROCESSORS_ONLN)"
          make install
        env:
          URL: ${{ steps.determine-php-version.outputs.archive }}
      - name: Add PHP to the PATH
        run: echo "$(pwd)/php/target/bin" >> "$GITHUB_PATH"
      - name: Install e-dant/watcher
        uses: ./.github/actions/watcher
      - name: Set Set CGO flags
        run: |
          {
            echo "CGO_CFLAGS=$CFLAGS -I${PWD}/watcher/target/include $(php-config --includes)"
            echo "CGO_LDFLAGS=$LDFLAGS $(php-config --ldflags) $(php-config --libs)"
          } >> "$GITHUB_ENV"
      - name: Compile tests
        run: go test ${{ matrix.sanitizer == 'msan' && '-tags=nowatcher' || '' }} -${{ matrix.sanitizer }} -v -x -c
      - name: Run tests
        run: ./frankenphp.test -test.v