feat: github actions for building (#1)

.clang-format

@@ -0,0 +1,3 @@
+UseTab: Always
+IndentWidth: 4
+TabWidth: 4

.editorconfig

@@ -1,7 +1,15 @@
-root = true
-
-[*]
-end_of_line = lf
-insert_final_newline = true
-indent_style = tab
-indent_size = 4
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = tab
+indent_size = 4
+
+[*.{sh,cmd}]
+indent_size = 4
+indent_style = space
+
+[*.{yml,yaml}]
+indent_size = 2
+indent_style = space

.github/workflows/main.yaml

@@ -0,0 +1,87 @@
+name: main
+
+on:
+  pull_request:
+
+env:
+  # libcxx version to match whats already installed
+  # https://github.com/actions/runner-images/blob/main/images/ubuntu/Ubuntu2404-Readme.md
+  LLVM_VERSION: '18.1.3'
+
+jobs:
+  typos-check:
+    name: Typos Check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: crate-ci/typos@cfe759ac8dd421e203cc293a373396fbc6fe0d4b # v1.22.7
+
+  build-script-windows:
+    name: 'build.cmd'
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - run: .\build.cmd
+      - uses: actions/upload-artifact@v4
+        with:
+          name: cpp2b.exe
+          path: dist/debug/cpp2b.exe
+          if-no-files-found: error
+          retention-days: 0
+
+  build-self-windows:
+    name: 'build self (windows)'
+    needs: build-script-windows
+    runs-on: windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          name: 'cpp2b.exe'
+      - run: .\cpp2b.exe build
+      - run: Copy-Item .\.cache\cpp2\bin\cpp2b.exe -Destination .\cpp2b-self.exe
+      - run: .\cpp2b-self.exe build
+
+  build-script-linux:
+    name: 'build.sh'
+    runs-on: ubuntu-24.04
+    steps:
+      - run: sudo apt-get install libclang-dev ninja-build -y
+      - uses: actions/cache@v4
+        id: libcxx_with_modules
+        with:
+          path: /tmp/llvm-project/build
+          key: 'libcxx-${{ env.LLVM_VERSION }}'
+      - name: compiling libcxx ${{ env.LLVM_VERSION }} with modules
+        if: steps.libcxx_with_modules.outputs.cache-hit != 'true'
+        run: |
+          git clone --depth 1 --branch llvmorg-${{ env.LLVM_VERSION }} https://github.com/llvm/llvm-project.git /tmp/llvm-project
+          cd /tmp/llvm-project
+          mkdir build
+          CC=clang-18 CXX=clang++-18 cmake -G Ninja -S runtimes -B build -DLLVM_ENABLE_RUNTIMES="libcxx;libcxxabi;libunwind"
+          ninja -C build
+      - uses: actions/checkout@v4
+      - run: CPP2B_LIBCXX_BUILD_ROOT=/tmp/llvm-project/build CC=clang-18 ./build.sh
+      - uses: actions/upload-artifact@v4
+        with:
+          name: cpp2b
+          path: dist/debug/cpp2b
+          if-no-files-found: error
+          retention-days: 0
+
+  build-self-linux:
+    name: 'build self (linux)'
+    needs: build-script-linux
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/cache/restore@v4
+        with:
+          path: /tmp/llvm-project/build
+          key: 'libcxx-${{ env.LLVM_VERSION }}'
+      - uses: actions/checkout@v4
+      - uses: actions/download-artifact@v4
+        with:
+          name: cpp2b
+      - run: chmod +x cpp2b
+      - run: CPP2B_LIBCXX_BUILD_ROOT=/tmp/llvm-project/build ./cpp2b build
+      - run: CPP2B_LIBCXX_BUILD_ROOT=/tmp/llvm-project/build ./.cache/cpp2/bin/cpp2b build

build.cmd

@@ -18,40 +18,40 @@ if not exist dist\debug ( mkdir dist\debug )
 set vswhere="%ProgramFiles(x86)%\Microsoft Visual Studio\Installer\vswhere.exe"
 
 for /f "usebackq tokens=*" %%i in (`%vswhere% -latest -products * -requires Microsoft.VisualStudio.Component.VC.Tools.x86.x64 -property installationPath`) do (
-	set vs_install_dir=%%i
+    set vs_install_dir=%%i
 )
 
 if exist "%vs_install_dir%\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt" (
-	set /p vs_tools_version=<"%vs_install_dir%\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt"
+    set /p vs_tools_version=<"%vs_install_dir%\VC\Auxiliary\Build\Microsoft.VCToolsVersion.default.txt"
 )
 
 if "%vs_tools_version%"=="" (
-	echo ERROR: cannot find VC tools installed on your system
-	exit 1
+    echo ERROR: cannot find VC tools installed on your system
+    exit 1
 )
 
 set vs_tools_dir=%vs_install_dir%\VC\Tools\MSVC\%vs_tools_version%
 
 if exist .cache\repos\cppfront\ (
-	@rem TODO - report which cppfront version is being used
+    @rem TODO - report which cppfront version is being used
 ) else (
-	git clone https://github.com/hsutter/cppfront.git .cache/repos/cppfront --quiet
+    git clone https://github.com/hsutter/cppfront.git .cache/repos/cppfront --quiet
 )
 
 call "%vs_install_dir%\Common7\Tools\vsdevcmd.bat" /no_logo
 
 if not exist "%modules_dir%\std.ifc" (
-	echo Compiling std module...
-	pushd %modules_dir%
-	cl /D"_CRT_SECURE_NO_WARNINGS=1" /std:c++latest /EHsc /nologo /W4 /MDd /c "%vs_tools_dir%\modules\std.ixx"
-	popd
+    echo Compiling std module...
+    pushd %modules_dir%
+    cl /D"_CRT_SECURE_NO_WARNINGS=1" /std:c++latest /EHsc /nologo /W4 /MDd /c "%vs_tools_dir%\modules\std.ixx"
+    popd
 )
 
 if not exist "%modules_dir%\std.compat.ifc" (
-	echo Compiling std.compat module...
-	pushd %modules_dir%
-	cl /std:c++latest /EHsc /nologo /W4 /MDd /c "%vs_tools_dir%\modules\std.compat.ixx"
-	popd
+    echo Compiling std.compat module...
+    pushd %modules_dir%
+    cl /std:c++latest /EHsc /nologo /W4 /MDd /c "%vs_tools_dir%\modules\std.compat.ixx"
+    popd
 )
 
 if not exist "%root_dir%.cache\cpp2\source\_build" ( mkdir "%root_dir%.cache\cpp2\source\_build" )
@@ -72,37 +72,37 @@ endlocal
 
 pushd %modules_dir%
 cl /nologo ^
-  /std:c++latest /W4 /MDd /EHsc ^
-  /reference "%modules_dir%\std.ifc" ^
-  /reference "%modules_dir%\std.compat.ifc" ^
-  /c "%root_dir%.cache\cpp2\source\_build\cpp2b.ixx" > NUL
+    /std:c++latest /W4 /MDd /EHsc ^
+    /reference "%modules_dir%\std.ifc" ^
+    /reference "%modules_dir%\std.compat.ifc" ^
+    /c "%root_dir%.cache\cpp2\source\_build\cpp2b.ixx" > NUL
 popd
 
 if %ERRORLEVEL% neq 0 (
-	echo ERROR: failed to compile cpp2b module
-	exit %ERRORLEVEL%
+    echo ERROR: failed to compile cpp2b module
+    exit %ERRORLEVEL%
 )
 
 echo INFO: compiling dylib module...
 pushd %modules_dir%
 cl /nologo ^
-  /std:c++latest /W4 /MDd /EHsc ^
-  /reference "%modules_dir%\std.ifc" ^
-  /reference "%modules_dir%\std.compat.ifc" ^
-  /c /interface /TP "%root_dir%src\dylib.cppm" > NUL
+    /std:c++latest /W4 /MDd /EHsc ^
+    /reference "%modules_dir%\std.ifc" ^
+    /reference "%modules_dir%\std.compat.ifc" ^
+    /c /interface /TP "%root_dir%src\dylib.cppm" > NUL
 popd
 
 if %ERRORLEVEL% neq 0 (
-	echo ERROR: failed to compile dylib module
-	exit %ERRORLEVEL%
+    echo ERROR: failed to compile dylib module
+    exit %ERRORLEVEL%
 )
 
 if not exist %cppfront% (
-	pushd .cache\repos\cppfront\source
-	echo INFO: compiling cppfront...
-	cl /nologo /std:c++latest /EHsc cppfront.cpp
-	xcopy cppfront.exe %tools_dir% /Y /Q
-	popd
+    pushd .cache\repos\cppfront\source
+    echo INFO: compiling cppfront...
+    cl /nologo /std:c++latest /EHsc cppfront.cpp
+    xcopy cppfront.exe %tools_dir% /Y /Q
+    popd
 )
 
 if not exist "%root_dir%.cache/cpp2/source/src" ( mkdir "%root_dir%.cache/cpp2/source/src" )
@@ -113,16 +113,16 @@ if %ERRORLEVEL% neq 0 exit %ERRORLEVEL%
 
 
 cl /nologo "%root_dir%.cache/cpp2/source/src/main.cpp" ^
-  /diagnostics:column /permissive- ^
-  /reference "%modules_dir%\std.ifc" "%modules_dir%\std.obj" ^
-  /reference "%modules_dir%\std.compat.ifc" "%modules_dir%\std.compat.obj" ^
-  /reference "%modules_dir%\dylib.ifc" "%modules_dir%\dylib.obj" ^
-  /reference "%modules_dir%\cpp2b.ifc" "%modules_dir%\cpp2b.obj" ^
-  /std:c++latest /W4 /MDd /EHsc ^
-  /DEBUG:FULL /Zi /FC ^
-  -I"%cppfront_include_dir%" ^
-  /Fe"%cpp2b_dist%" ^
-  /Fd"%cpp2b_dist%.pdb"
+    /diagnostics:column /permissive- ^
+    /reference "%modules_dir%\std.ifc" "%modules_dir%\std.obj" ^
+    /reference "%modules_dir%\std.compat.ifc" "%modules_dir%\std.compat.obj" ^
+    /reference "%modules_dir%\dylib.ifc" "%modules_dir%\dylib.obj" ^
+    /reference "%modules_dir%\cpp2b.ifc" "%modules_dir%\cpp2b.obj" ^
+    /std:c++latest /W4 /MDd /EHsc ^
+    /DEBUG:FULL /Zi /FC ^
+    -I"%cppfront_include_dir%" ^
+    /Fe"%cpp2b_dist%" ^
+    /Fd"%cpp2b_dist%.pdb"
 
 if %ERRORLEVEL% neq 0 exit %ERRORLEVEL%