Cuckoo/Generator/Source/CuckooGeneratorFramework/Tokens/Attributes.swift

49 lines
1.4 KiB
Swift

//
// Attributes.swift
// CuckooGenerator
//
// Created by Filip Dolnik on 30.05.16.
// Copyright © 2016 Brightify. All rights reserved.
//
public struct Attributes: OptionSetType {
public static let none = Attributes(rawValue: 0)
public static let noescape = Attributes(rawValue: 1 << 0)
public static let autoclosure = Attributes(rawValue: 1 << 1)
public static let escaping = Attributes(rawValue: 1 << 2)
public static let escapingAutoclosure: Attributes = [autoclosure, escaping]
public let rawValue : Int
public init(rawValue: Int) {
self.rawValue = rawValue
}
public var sourceRepresentation: String {
return !self.isEmpty ? sourceRepresentations.joinWithSeparator(" ") + " " : ""
}
public var sourceRepresentations: [String] {
var mutableCopy = self
var representation: [String] = []
if let _ = mutableCopy.remove(Attributes.escapingAutoclosure) {
representation.append("@autoclosure(escaping)")
}
if let _ = mutableCopy.remove(Attributes.autoclosure) {
representation.append("@autoclosure")
}
if let _ = mutableCopy.remove(Attributes.noescape) {
representation.append("@noescape")
}
if !mutableCopy.isEmpty {
fputs("Unknown attributes: \(mutableCopy.rawValue)\n", stderr)
}
return representation
}
}