Swift Class Dump Helpers

Usage.swift

let actionClass: AnyClass = NSClassFromString("_UIImmutableAction")!

let functions = dumpFunctions(anyClass: actionClass)
let vars = dumpVars(anyClass: actionClass)

if let superclass = class_getSuperclass(actionClass) {
    let functions = dumpFunctions(anyClass: superclass)
    let vars = dumpVars(anyClass: superclass)
}

func dumpFunctions(anyClass: AnyClass) -> [Selector] {
    var methodCount: UInt32 = 0
    let methodList = class_copyMethodList(anyClass, &methodCount)!
    return (0 ..< Int(methodCount)).compactMap({ method_getName(methodList[$0]) })
}

func dumpVars(anyClass: AnyClass) -> [String] {
    var varsCount: UInt32 = 0
    guard let varsList = class_copyIvarList(anyClass, &varsCount) else { return [] }
    return (0 ..< Int(varsCount)).compactMap({ ivar_getName(varsList[$0]) }).map({ String(cString: $0) })
}