それが面倒でObj-Cでやる決断をしました …が、今見つけたんですがもしかしてこれ流用できるのでは　未検証ですが https://github.com/tingraldi/SwiftScripting https://github.com/tingraldi/SwiftScripting/blob/master/Frameworks/XcodeScripting/XcodeScripting/Xcode.swift (edited)

SwiftScripting - Utilities and samples to aid in using Swift with the Scripting Bridge

SwiftScripting - Utilities and samples to aid in using Swift with the Scripting Bridge