Install cmake:
```
winget install cmake
```
Download and build llvm/clang from sources:
```
git clone https://github.com/llvm/llvm-project.git llvm-project
winget install python3
cd llvm-project
cmake -S llvm -B build -G "Visual Studio 17 2022" -DLLVM_ENABLE_PROJECTS=clang
# Open build/LLVM.sln and build target ALL_BUILD
```
Build this tool:
```
cmake -B build -G "Visual Studio 17 2022" -DLLVM_DIR="path\to\llvm-project\build\lib\cmake\llvm" -DClang_DIR="path\to\llvm-project\build\lib\cmake\clang"
# Open build/VariableRenamer.sln and build target VariableRenamer
```
Use tool:
```
build\Debug\VariableRenamer.exe source.cpp
build\Debug\VariableRenamer.exe --to-unreal=false source.cpp
```