Add: Windows implementation for coretrace-compiler

.github/workflows/build.yml

@@ -18,7 +18,7 @@ jobs:
         os: [ubuntu-latest, macos-latest]
 
     steps:
-    - uses: actions/checkout@v3
+    - uses: actions/checkout@v4
       with:
         fetch-depth: 0
 
@@ -100,3 +100,161 @@ jobs:
       run: |
         docker buildx build --platform linux/amd64 -f test/docker/Dockerfile . --progress=plain --output=type=cacheonly
         docker buildx build --platform linux/arm64 -f test/docker/Dockerfile . --progress=plain --output=type=cacheonly
+
+  build-windows:
+    name: Build on Windows (pinned LLVM 20.1.0)
+    runs-on: windows-2022
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+
+    - name: Resolve dependency ref
+      shell: pwsh
+      run: |
+        $ErrorActionPreference = "Stop"
+        $ref = if ($env:GITHUB_HEAD_REF) { $env:GITHUB_HEAD_REF } else { $env:GITHUB_REF_NAME }
+        "DEPENDENCY_REF=$ref" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+
+    - name: Checkout coretrace-log matching ref
+      id: checkout_logger_ref
+      continue-on-error: true
+      uses: actions/checkout@v4
+      with:
+        repository: CoreTrace/coretrace-log
+        ref: ${{ env.DEPENDENCY_REF }}
+        path: deps/coretrace-log
+        fetch-depth: 1
+
+    - name: Checkout coretrace-log main fallback
+      if: steps.checkout_logger_ref.outcome == 'failure'
+      uses: actions/checkout@v4
+      with:
+        repository: CoreTrace/coretrace-log
+        ref: main
+        path: deps/coretrace-log
+        fetch-depth: 1
+
+    - name: Install LLVM 20.1.0 archive with 7-Zip
+      shell: pwsh
+      run: |
+        $ErrorActionPreference = "Stop"
+
+        $llvmVersion = "20.1.0"
+        $archiveName = "clang+llvm-$llvmVersion-x86_64-pc-windows-msvc.tar.xz"
+        $archiveUrl = "https://github.com/llvm/llvm-project/releases/download/llvmorg-$llvmVersion/$archiveName"
+        $archivePath = Join-Path $env:RUNNER_TEMP $archiveName
+        $extractRoot = Join-Path $env:RUNNER_TEMP "llvm-extract"
+        $installRoot = "C:\Program Files\LLVM-$llvmVersion"
+        $sevenZip = "${env:ProgramFiles}\7-Zip\7z.exe"
+        $tarPath = Join-Path $env:RUNNER_TEMP "clang+llvm-$llvmVersion-x86_64-pc-windows-msvc.tar"
+
+        if (-not (Test-Path $sevenZip)) {
+          throw "7z.exe not found at $sevenZip"
+        }
+
+        Write-Host "Downloading LLVM archive from $archiveUrl"
+        Invoke-WebRequest -Uri $archiveUrl -OutFile $archivePath
+        Write-Host "Download finished"
+        Get-Item $archivePath | Select-Object FullName, Length | Format-Table -AutoSize
+
+        if (Test-Path $extractRoot) {
+          Remove-Item -Recurse -Force $extractRoot
+        }
+        New-Item -ItemType Directory -Force -Path $extractRoot | Out-Null
+
+        if (Test-Path $tarPath) {
+          Remove-Item -Force $tarPath
+        }
+
+        Write-Host "Extracting .xz to .tar with 7-Zip"
+        & $sevenZip x $archivePath "-o$env:RUNNER_TEMP" -y
+        if ($LASTEXITCODE -ne 0) {
+          throw "7-Zip failed while extracting .xz archive"
+        }
+
+        if (-not (Test-Path $tarPath)) {
+          throw "Expected tar file not found after xz extraction: $tarPath"
+        }
+
+        Write-Host "Extracting .tar to $extractRoot"
+        & $sevenZip x $tarPath "-o$extractRoot" -y
+        if ($LASTEXITCODE -ne 0) {
+          throw "7-Zip failed while extracting .tar archive"
+        }
+
+        Write-Host "Listing extracted directories"
+        Get-ChildItem $extractRoot -Directory | Select-Object Name, FullName | Format-Table -AutoSize
+
+        $extractedDir = Get-ChildItem $extractRoot -Directory | Select-Object -First 1
+        if (-not $extractedDir) {
+          throw "Failed to find extracted LLVM directory under $extractRoot"
+        }
+
+        if (Test-Path $installRoot) {
+          Remove-Item -Recurse -Force $installRoot
+        }
+        Move-Item -Path $extractedDir.FullName -Destination $installRoot
+
+        $clangClPath = Join-Path $installRoot "bin\clang-cl.exe"
+        $llvmCmakeDir = Join-Path $installRoot "lib\cmake\llvm"
+        $clangCmakeDir = Join-Path $installRoot "lib\cmake\clang"
+        $llvmConfigPath = Join-Path $llvmCmakeDir "LLVMConfig.cmake"
+        $clangConfigPath = Join-Path $clangCmakeDir "ClangConfig.cmake"
+
+        Write-Host "Checking extracted LLVM files"
+        Write-Host "clang-cl path: $clangClPath"
+        Write-Host "LLVMConfig path: $llvmConfigPath"
+        Write-Host "ClangConfig path: $clangConfigPath"
+
+        if (-not (Test-Path $clangClPath)) {
+          throw "clang-cl.exe not found after LLVM archive extraction: $clangClPath"
+        }
+        if (-not (Test-Path $llvmConfigPath)) {
+          throw "LLVMConfig.cmake not found after LLVM archive extraction: $llvmConfigPath"
+        }
+        if (-not (Test-Path $clangConfigPath)) {
+          throw "ClangConfig.cmake not found after LLVM archive extraction: $clangConfigPath"
+        }
+
+        $clangVersion = (& $clangClPath --version) -join " "
+        if ($clangVersion -notmatch "clang version 20\.1\.0") {
+          throw "Unexpected clang-cl version. Got: $clangVersion"
+        }
+
+        "LLVM_CMAKE_DIR=$llvmCmakeDir" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+        "LLVM_DIR=$llvmCmakeDir" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+        "Clang_DIR=$clangCmakeDir" | Out-File -FilePath $env:GITHUB_ENV -Encoding utf8 -Append
+
+    - name: Configure + Build + Install
+      shell: pwsh
+      run: |
+        $ErrorActionPreference = "Stop"
+        powershell -ExecutionPolicy Bypass -File .\scripts\build-windows.ps1 `
+          -LLVMDir "${env:LLVM_CMAKE_DIR}" `
+          -LoggerSourceDir "${PWD}\deps\coretrace-log" `
+          -Configuration Release
+
+    - name: Smoke test
+      shell: pwsh
+      run: |
+        $ErrorActionPreference = "Stop"
+        Set-Content -Path test.cc -Value 'int main() { return 0; }'
+        .\dist\windows\bin\cc.exe -S -emit-llvm test.cc
+        if (-not (Test-Path test.ll)) {
+          throw "test.ll was not produced"
+        }
+        Get-Content test.ll -TotalCount 10
+
+    - name: Run Python smoke tests (Windows)
+      shell: pwsh
+      run: |
+        $ErrorActionPreference = "Stop"
+        python -m venv .venv
+        .\.venv\Scripts\python -m pip install --upgrade pip
+        .\.venv\Scripts\python -m pip install git+https://github.com/CoreTrace/coretrace-testkit.git
+        $env:CORETRACE_COMPILER_TEST_CC = (Resolve-Path .\dist\windows\bin\cc.exe).Path
+        $env:CORETRACE_LOGGER_SOURCE_DIR = (Resolve-Path .\deps\coretrace-log).Path
+        .\.venv\Scripts\python .\test\examples\test_smoke.py
+        .\.venv\Scripts\python .\test\examples\test_extern_project.py