Maybe this could help? https://github.com/nim-lang/pas2nim https://github.com/nim-lang/pas2nim The Nim compiler was originally written in Pascal and Araq used

Maybe this could help? https://github.com/nim-lang/pas2nim https://github.com/nim-lang/pas2nim The Nim compiler was originally written in Pascal and Araq used this tool to translate it into Nim, so it should work pretty well.