dev.yml

name: Dev
on:
  workflow_dispatch:
  push:
    branches: [ master, "release/**" ]
  pull_request:
    branches: [ master ]

permissions:
  contents: read

env:
  CFLAGS_GCC_STYLE: '-Wall -Wextra -pedantic -Wdeclaration-after-statement -Wshadow -Wno-overlength-strings'
  CFLAGS_MSVC: '/W3'

jobs:

  canary:
    # Tests with: Debug & assertions; link-size=4; libedit
    name: GCC -O0
    runs-on: ubuntu-24.04
    steps:
      - name: Setup
        run: |
          sudo apt-get -qq update
          sudo apt-get -qq install libedit-dev

      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Prepare
        run: ./autogen.sh

      - name: Configure
        run: ./configure CC='gcc -fsanitize=undefined,address -fsanitize-undefined-trap-on-error' CFLAGS="-O0 $CFLAGS_GCC_STYLE" --enable-jit --enable-pcre2-16 --enable-pcre2-32 --enable-debug --enable-Werror --enable-pcre2test-libedit --with-link-size=4

      - name: Build
        run: make -j3

      - name: Test (main test script)
        run: ./RunTest

      - name: Test (JIT test program)
        run: ./pcre2_jit_test

      - name: Test (pcre2grep test script)
        run: ./RunGrepTest

      - name: Test (pcre2posix program)
        run: ./pcre2posix_test -v

  dragon:
    # Tests with: clang AB/UB; link-size=3
    name: Clang
    runs-on: ubuntu-24.04
    strategy:
      fail-fast: false
      matrix:
        opt: ["-O0", "-O2"]
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Prepare
        run: ./autogen.sh

      - name: Configure
        run: ./configure CC='clang -fsanitize=undefined,address,integer -fno-sanitize-recover=undefined,integer -fno-sanitize=unsigned-integer-overflow,unsigned-shift-base,function' CFLAGS="${{ matrix.opt }} $CFLAGS_GCC_STYLE" --enable-jit --enable-pcre2-16 --enable-pcre2-32 --enable-debug --enable-Werror --with-link-size=3

      - name: Build
        run: make -j3

      - name: Test (main test script)
        run: |
          ulimit -S -s 49152 # Raise stack limit; ASAN with -O0 is very stack-hungry
          ./RunTest

      - name: Test (JIT test program)
        run: ./pcre2_jit_test

      - name: Test (pcre2grep test script)
        run: ./RunGrepTest

      - name: Test (pcre2posix program)
        run: ./pcre2posix_test -v

  greatawk:
    # Tests with: GCC, -O3, oldest supported Ubuntu (in non-extended support)
    name: GCC -O3
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Configure
        run: cmake -DPCRE2_SUPPORT_JIT=ON -DPCRE2_BUILD_PCRE2_16=ON -DPCRE2_BUILD_PCRE2_32=ON -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=ON -DPCRE2_DEBUG=ON -DCMAKE_C_FLAGS="$CFLAGS_GCC_STYLE" -DCMAKE_COMPILE_WARNING_AS_ERROR=ON -DCMAKE_BUILD_TYPE=Release -B build

      - name: Build
        run: cd build && make -j3

      - name: Test
        run: cd build && ctest -j3 --output-on-failure

      - name: Install
        run: |
          cd build
          cmake --install . --prefix install-dir
          ../maint/RunManifestTest install-dir ../maint/manifest-cmakeinstall-linux

  dodo:
    # Tests with: Autconf on oldest supported Ubuntu (in non-extended support)
    name: GCC -Os, old Autotools
    runs-on: ubuntu-20.04
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Prepare
        run: ./autogen.sh

      - name: Configure
        run: ./configure CFLAGS="-Os $CFLAGS_GCC_STYLE" --enable-jit --enable-pcre2-16 --enable-pcre2-32 --enable-debug --enable-Werror

      - name: Build
        run: make -j3

      - name: Test
        run: make check || (cat ./test-suite.log; false)

      - name: Install
        run: |
          make install "DESTDIR=`pwd`/install-dir"
          maint/RunManifestTest install-dir maint/manifest-makeinstall-linux

  wasp:
    # Tests with: French locale; oldest supported CMake; no JIT; -Os; libreadline
    name: GCC -Os, CMake+ninja, no JIT
    runs-on: ubuntu-24.04
    env:
      CMAKE_VER: "3.15.7"
    steps:
      - name: Setup
        run: |
          sudo apt-get -qq update
          sudo apt-get -qq install language-pack-fr ninja-build libreadline-dev

      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Cache CMake
        uses: actions/cache@1bd1e32a3bdc45362d1e726936510720a7c30a57 # v4.2.0
        with:
          key: cmake-${{ env.CMAKE_VER }}-Linux-x86_64
          path: cmake-${{ env.CMAKE_VER }}-Linux-x86_64.tar.gz

      - name: Install CMake
        run: |
          [ -f cmake-${CMAKE_VER}-Linux-x86_64.tar.gz ] || curl -L -S -O "https://github.com/Kitware/CMake/releases/download/v${CMAKE_VER}/cmake-${CMAKE_VER}-Linux-x86_64.tar.gz"
          tar -xz -f cmake-${CMAKE_VER}-Linux-x86_64.tar.gz
          realpath "cmake-${CMAKE_VER}-Linux-x86_64/bin" >> "$GITHUB_PATH"

      - name: Configure
        run: |
          cmake --version | grep "version ${CMAKE_VER}" || (echo "CMake version mismatch" && exit 1)
          CC='clang' cmake -G Ninja -DPCRE2_SUPPORT_JIT=ON -DPCRE2_BUILD_PCRE2_16=ON -DPCRE2_BUILD_PCRE2_32=ON -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=ON -DPCRE2_DEBUG=ON -DPCRE2_SUPPORT_LIBREADLINE=ON -DCMAKE_C_FLAGS="$CFLAGS_GCC_STYLE" -DCMAKE_COMPILE_WARNING_AS_ERROR=ON -DCMAKE_BUILD_TYPE=MinSizeRel -B build

      - name: Build
        run: ninja -C build

      - name: Test
        run: cd build && ctest -j3 --output-on-failure

      - name: Install
        run: |
          cd build
          cmake --install . --prefix install-dir
          ../maint/RunManifestTest install-dir ../maint/manifest-cmakeinstall-linux

  bat:
    # Tests with: MSVC 32-bit, and a variety of CMake options
    name: Windows (Win32)
    runs-on: windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Configure
        run: cmake -DPCRE2_SUPPORT_JIT=ON -DPCRE2_BUILD_PCRE2_16=ON -DPCRE2_BUILD_PCRE2_32=ON -DPCRE2GREP_SUPPORT_CALLOUT_FORK=OFF -DPCRE2_DEBUG=ON -DPCRE2_NEWLINE=ANYCRLF -DPCRE2_STATIC_PIC=ON -DPCRE2_STATIC_RUNTIME=ON -DPCRE2_SUPPORT_BSR_ANYCRLF=ON -DBUILD_SHARED_LIBS=OFF -DBUILD_STATIC_LIBS=ON -DCMAKE_C_FLAGS="$CFLAGS_MSVC" -DCMAKE_COMPILE_WARNING_AS_ERROR=ON -B build -A Win32

      - name: Build
        run: cmake --build build --config RelWithDebInfo

      - name: Test
        run: cd build && ctest -C RelWithDebInfo -j3 --output-on-failure

  pterodactyl:
    # Tests with: MSVC 64-bit, Debug, shared libraries
    name: Windows (x64)
    runs-on: windows-latest
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Configure
        run: cmake -DPCRE2_SUPPORT_JIT=OFF -DPCRE2_BUILD_PCRE2_16=ON -DPCRE2_BUILD_PCRE2_32=ON -DPCRE2_DEBUG=ON -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=OFF -DCMAKE_C_FLAGS="$CFLAGS_MSVC" -DCMAKE_COMPILE_WARNING_AS_ERROR=ON -B build -A x64

      - name: Build
        run: cmake --build build --config Debug

      - name: Test
        run: cd build && ctest -C Debug -j3 --output-on-failure

  bigbird:
    # Job to execute ManyConfigTests
    name: manyconfig
    runs-on: ubuntu-24.04
    steps:
      - name: Setup
        run: |
          sudo apt-get -qq update
          sudo apt-get -qq install -y valgrind

      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Run
        run: |
          ./autogen.sh
          ./maint/ManyConfigTests

  camel:
    # Job to execute RunPerlTest
    name: perl
    runs-on: ubuntu-24.04
    container: perl:devel
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: yes

      - name: Test
        run: |
          perl -v
          maint/RunPerlTest

  chaffinch:
    # Job to verify that the CMake "unity" build (single-file / jumbo build) passes.
    # If this fails, it's usually because two different files define some file-static
    # functions or macros which collide.
    name: CMake unity build
    runs-on: ubuntu-24.04
    env:
      # Disallowing shadowing would be very spammy for unity builds, because the
      # same variable name can be used in multiple files.
      # We disable format truncation/overflow because the heuristics used for
      # these warnings are not very good, and are apparently affected by the
      # inliner, which is used much less aggressively in unity builds.
      CFLAGS_UNITY: "-Wno-shadow -Wno-format-truncation -Wno-format-overflow"
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Configure
        run: cmake -DCMAKE_UNITY_BUILD=ON -DCMAKE_UNITY_BUILD_BATCH_SIZE=0 -DPCRE2_SUPPORT_JIT=ON -DPCRE2_BUILD_PCRE2_16=ON -DPCRE2_BUILD_PCRE2_32=ON -DPCRE2_DEBUG=ON -DCMAKE_C_FLAGS="$CFLAGS_GCC_STYLE $CFLAGS_UNITY" -DCMAKE_COMPILE_WARNING_AS_ERROR=ON -DCMAKE_BUILD_TYPE=Release -B build

      - name: Build
        run: cd build && make -j3

      - name: Test
        run: cd build && ctest -j3 --output-on-failure

  msys2:
    # Tests with: MSYS2 unix-on-Windows environment
    name: MSYS2
    runs-on: windows-latest
    if: github.event_name != 'pull_request'
    strategy:
      fail-fast: false
      matrix:
        # UCRT64 is the new default MSYS2 runtime, which builds native 64-bit
        # binaries which can then be shipped and run on systems without MSYS2
        # installed (using MinGW-x64 + the UCRT).
        # MSYS is the Unix-variant runtime, which builds binaries that have a
        # dependency on MSYS2 being installed, but those binaries then use a
        # full emulated Unix environment at runtime.
        msystem: ["UCRT64", "MSYS"]
    steps:
      - name: Pre-checkout
        run: git config --global core.autocrlf input

      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Setup
        uses: msys2/setup-msys2@d44ca8e88d8b43d56cf5670f91747359d5537f97 # v2.26.0
        with:
          msystem: ${{ matrix.msystem }}
          update: true
          pacboy: diffutils gcc:p cmake:p ninja:p ${{ matrix.msystem == 'MSYS' && 'libreadline:p' || 'readline:p' }}

      - name: Configure
        shell: msys2 {0}
        run: cmake -G Ninja -DPCRE2_BUILD_PCRE2_16=ON -DPCRE2_BUILD_PCRE2_32=ON -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=ON -DPCRE2_DEBUG=ON -DCMAKE_C_FLAGS="$CFLAGS_GCC_STYLE -Wno-format-truncation -Wno-format-overflow" -DCMAKE_COMPILE_WARNING_AS_ERROR=ON -DCMAKE_BUILD_TYPE=Release -B build

      - name: Build
        shell: msys2 {0}
        run: ninja -C build

      - name: Test
        shell: msys2 {0}
        run: cd build && ctest -j3 --output-on-failure

  ptarmigan:
    # Tests with various unusual processor architectures
    name: Multiarch
    strategy:
      fail-fast: false
      matrix:
        include:
          # S390x is important, because it's basically the only supported big-endian
          # architecture I can find anywhere. I used to work on SPARC and PPC-be systems
          # a long time ago, but even Debian has dropped those architectures now, so
          # it's nice that there's *least one* arch remaining to shake out endian
          # assumptions.
          - arch: "s390x"
            distro: ubuntu_latest
          # Big-iron POWER only (this is not the PowerPC arch used in old Apple Macs)
          - arch: "ppc64le"
            distro: "ubuntu_latest"
          # A 32-bit Linux build. i386 is mostly gone now, so ARMv7 is all that's left.
          - arch: "armv7"
            distro: "ubuntu_latest"
          # The only really widely-deployed non-x86 archicture, at least that's likely
          # to be running PCRE2.
          - arch: "aarch64"
            distro: "ubuntu_latest"
          # Not used by anyone yet, really, but potentially the "next big thing".
          - arch: "riscv64"
            distro: "ubuntu_latest"
    runs-on: ubuntu-24.04
    permissions:
      contents: read
      packages: write # Necessary for uraimo/run-on-arch-action to use GitHub's Docker repository as a cache
    if: github.event_name != 'pull_request'
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Prepare
        run: ./autogen.sh

      - uses: uraimo/run-on-arch-action@ac33288c3728ca72563c97b8b88dda5a65a84448 # v2.8.1
        name: Configure, build, and test
        with:
          arch: ${{ matrix.arch }}
          distro: ${{ matrix.distro }}

          # Not required, but speeds up builds by storing container images in
          # a GitHub package registry.
          githubToken: ${{ github.token }}

          env: | # YAML, but pipe character is necessary
            CFLAGS_GCC_STYLE: ${{ env.CFLAGS_GCC_STYLE }}

          install: |
            apt-get -qq update
            apt-get -qq install -y gcc cmake ninja-build zlib1g-dev libbz2-dev

          run: |
            set -e
            # TODO: Set -DCMAKE_COMPILE_WARNING_AS_ERROR=ON (there's currently a build failure on S390x)
            cmake -G Ninja -DPCRE2_SUPPORT_JIT=ON -DPCRE2_BUILD_PCRE2_16=ON -DPCRE2_BUILD_PCRE2_32=ON -DBUILD_SHARED_LIBS=ON -DBUILD_STATIC_LIBS=ON -DPCRE2_DEBUG=ON -DCMAKE_C_FLAGS="$CFLAGS_GCC_STYLE -Wno-format-truncation -Wno-format-overflow" -DCMAKE_COMPILE_WARNING_AS_ERROR=OFF -DCMAKE_BUILD_TYPE=RelWithDebInfo -B build
            ninja -C build
            (cd build && ctest -j3 --output-on-failure)

  zebrilus:
    # Tests with: Zig compiler
    name: Zig
    runs-on: ubuntu-24.04
    if: github.event_name != 'pull_request'
    steps:
      - name: Setup
        run: |
          sudo snap install zig --classic --beta

      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Build
        run: zig build

      - name: Test
        run: |
          # Zig does something weird with the stack - it uses more space than the
          # equivalent plain C program.
          ulimit -S -s 16384
          srcdir=`pwd` pcre2test=`pwd`/zig-out/bin/pcre2test ./RunTest

  bazel:
    # Tests with: Bazel build system
    name: Bazel
    strategy:
      fail-fast: false
      matrix:
        os: ["ubuntu-24.04", "windows-latest"]
    runs-on: ${{ matrix.os }}
    if: github.event_name != 'pull_request'
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: true

      - name: Build
        run: bazelisk build //... --enable_runfiles --incompatible_strict_action_env

      - name: Test
        run: bazelisk test //... --enable_runfiles --incompatible_strict_action_env --test_output=all

  heron:
    # Job to verify that the tasks performed by PrepareRelease have been done. It is
    # the committer's responsibility (currently) to run PrepareRelease themselves when
    # making a PR, so that everything is kept in-sync.
    name: Check autogenerated file freshness
    runs-on: ubuntu-24.04 # TODO: Update to ubuntu-latest when that switches to 24.04
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          submodules: false
          fetch-depth: 0 # Necessary for maint/PrepareRelease
          fetch-tags: false
          # Check out the unmerged source branch for `pull_request`-triggered runs;
          # otherwise use the tip of the branch for `workflow_dispatch` and `pull` triggers.
          ref: ${{ github.head_ref || github.ref }}

      - name: PrepareRelease
        run: maint/PrepareRelease

      - name: 'Rebuild *.h.generic'
        run: |
          ./autogen.sh && ./configure
          rm -f src/*.generic
          make src/config.h.generic src/pcre2.h.generic

      # If we're in a forked repo, it's too onerous to expect contributors to run the
      # checks locally to keep these files up to date (since the tool versions are very
      # fussy and brittle).
      #
      # However, we still want to run the steps above, to check that the PrepareRelease
      # process is able to run to completion, since it can pick up errors in the man pages.

      - name: Commit and push, if not in a forked repo
        if: github.event_name != 'pull_request' || ( ! github.event.pull_request.head.repo.fork && github.actor != 'dependabot[bot]' )
        run: |
          if [ -n "`git status --porcelain`" ] ; then
            # Dirty working tree: push it
            git config user.name "github-actions[bot]"
            git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
            git add -u
            git commit -m "Sync autogenerated files"
            git push
          fi