windows.yml

#
#
#
# *** If you edit this file, make sure that CONTRIBUTING.md stays up to date.
#
#
#
on:
  push:
    branches:
      - main
  pull_request:

jobs:
  build:
    # Even though jou.exe runs on windows, it is compiled on linux.
    # This is by far the easiest way to compile for Windows that I know of.
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - name: Download LLVM installer
        run: wget --no-verbose https://github.com/llvm/llvm-project/releases/download/llvmorg-13.0.1/LLVM-13.0.1-win64.exe
      - name: Verify LLVM installer
        run: |
          ls -lh LLVM-13.0.1-win64.exe
          if [ "$(sha256sum LLVM-13.0.1-win64.exe)" == "9d15be034d52ec57cfc97615634099604d88a54761649498daa7405983a7e12f  LLVM-13.0.1-win64.exe" ]; then
            echo ok
          else
            echo "sha sum mismatch! something has changed!"
            exit 1
          fi
      # Apparently the exe file is created with nsis installer and 7z can extract from it.
      # Figured out by looking at source code of https://github.com/KyleMayes/install-llvm-action
      # TODO: could we instead statically link the Jou compiler?
      - name: Extract files from LLVM installer
        run: |
          files="lib/LLVM-C.lib"
          for file in $(7z l LLVM-13.0.1-win64.exe | grep -o 'bin/.*\.dll'); do
            case $file in
              # To figure out which dll files I need, I deleted them one by one and ran
              # the compiler again.
              #
              # Unfortunately you need to do this locally instead of relying on github
              # actions, because github actions comes with lots of software and hence lots
              # of DLL files preinstalled. I used a Windows VM with nothing installed.
              bin/LLVM-C.dll | \
              bin/msvcp140.dll | \
              bin/ucrtbase.dll | \
              bin/vcruntime140.dll | \
              bin/vcruntime140_1.dll | \
              bin/api-ms-win-*.dll)     # Not sure which of these we need and what each one does.
                files="$files $file"
                ;;
              *)
                echo "*** skip dll: $file ***"
                ;;
            esac
          done
          echo "Extracting $files"
          7z x LLVM-13.0.1-win64.exe $files
      - name: Download MinGW
        run: wget --no-verbose https://github.com/niXman/mingw-builds-binaries/releases/download/12.2.0-rt_v10-rev1/x86_64-12.2.0-release-win32-seh-rt_v10-rev1.7z
      - name: Verify MinGW
        run: |
          ls -lh x86_64-12.2.0-release-win32-seh-rt_v10-rev1.7z
          if [ "$(sha256sum x86_64-12.2.0-release-win32-seh-rt_v10-rev1.7z)" == "774916c4403c5219f8af3a3ee3012de6c017c034895c2c92bc4de99895c2c924  x86_64-12.2.0-release-win32-seh-rt_v10-rev1.7z" ]; then
            echo ok
          else
            echo "sha sum mismatch! something has changed!"
            exit 1
          fi
      # Exctract only the parts needed for linking.
      # Figured out by exctracting only gcc.exe and then other files
      # until hello world links successfully.
      #
      # We could get rid of gcc.exe and take only ld.exe, but
      # gcc.exe is convenient because ld wants a long and complicated
      # list of parameters that gcc can figure out for us.
      - name: Extract the linker from MinGW
        run: >
          7z x x86_64-12.2.0-release-win32-seh-rt_v10-rev1.7z
          mingw64/bin/gcc.exe
          mingw64/lib/gcc/x86_64-w64-mingw32/12.2.0/libgcc.a
          mingw64/lib/gcc/x86_64-w64-mingw32/12.2.0/libgcc_eh.a
          mingw64/libexec/gcc/x86_64-w64-mingw32/12.2.0/liblto_plugin.dll
          mingw64/x86_64-w64-mingw32/bin/ld.exe
          mingw64/x86_64-w64-mingw32/lib/
          mingw64/licenses/
      # Using gcc instead of clang, because gcc "just works".
      # llvm-13-dev needed for the header files. They seem to be missing from LLVM windows installer.
      - name: Install gcc and dependencies for cross-compiling
        run: sudo apt update && sudo apt install -y llvm-13-dev gcc-mingw-w64-x86-64-win32 dos2unix
      - run: CC=x86_64-w64-mingw32-gcc LDFLAGS=lib/LLVM-C.lib make
      - run: mkdir jou
      - name: Copy files
        # Please keep this list of files in sync with update.ps1
        run: cp -rv stdlib doc examples mingw64 LICENSE jou.exe update.ps1 bin/*.dll jou
      - name: Convert files to Windows-style CRLF line endings
        run: unix2dos $(find jou -name '*.jou') $(find jou -name '*.md') jou/LICENSE
      - run: zip -r jou.zip jou
      - uses: actions/upload-artifact@v3
        with:
          name: windows-zip
          path: jou.zip

  codeblocks-project:
    # Ensure that the codeblocks project contains all source files.
    # It gets outdated easily when I create a new file on linux.
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
      - run: |
          diff -u --color=always <(ls src/* | sort) <(grep filename= jou.cbp | cut -d'"' -f2)

  test:
    needs: build
    runs-on: windows-latest
    steps:
      - uses: actions/checkout@v3
        with:
          path: repo
      - uses: actions/download-artifact@v3
        with:
          name: windows-zip
      - run: unzip jou.zip
      # Add a space in the folder name to trigger bugs like #165
      - run: mkdir "test dir"
      - run: mv jou/* repo/tests repo/runtests.sh "test dir"
        shell: bash
      - run: cd "test dir" && ./jou.exe --verbose examples/hello.jou
        shell: bash
      - run: cd "test dir" && ./runtests.sh --verbose
        shell: bash