97 lines
3.2 KiB
Swift
97 lines
3.2 KiB
Swift
import Foundation
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import SourceKittenFramework
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public struct SwiftVersion: RawRepresentable, Codable {
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public typealias RawValue = String
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public let rawValue: String
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public init(rawValue: String) {
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self.rawValue = rawValue
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}
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}
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extension SwiftVersion: Comparable {
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// Comparable
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public static func < (lhs: SwiftVersion, rhs: SwiftVersion) -> Bool {
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return lhs.rawValue < rhs.rawValue
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}
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}
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public extension SwiftVersion {
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static let three = SwiftVersion(rawValue: "3.0.0")
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static let four = SwiftVersion(rawValue: "4.0.0")
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static let fourDotOne = SwiftVersion(rawValue: "4.1.0")
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static let fourDotTwo = SwiftVersion(rawValue: "4.2.0")
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static let current: SwiftVersion = {
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// Allow forcing the Swift version, useful in cases where SourceKit isn't available
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if let envVersion = ProcessInfo.processInfo.environment["SWIFTLINT_SWIFT_VERSION"] {
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switch envVersion {
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case "4":
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return .four
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default:
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return .three
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}
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}
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let file = File(contents: """
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#if swift(>=4.2.0)
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let version = "4.2.0"
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#elseif swift(>=4.1.50)
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let version = "4.1.50"
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#elseif swift(>=4.1.2)
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let version = "4.1.2"
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#elseif swift(>=4.1.1)
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let version = "4.1.1"
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#elseif swift(>=4.1.0)
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let version = "4.1.0"
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#elseif swift(>=4.0.3)
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let version = "4.0.3"
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#elseif swift(>=4.0.2)
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let version = "4.0.2"
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#elseif swift(>=4.0.1)
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let version = "4.0.1"
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#elseif swift(>=4.0.0)
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let version = "4.0.0"
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#elseif swift(>=3.4.0)
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let version = "3.4.0"
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#elseif swift(>=3.3.2)
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let version = "3.3.2"
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#elseif swift(>=3.3.1)
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let version = "3.3.1"
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#elseif swift(>=3.3.0)
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let version = "3.3.0"
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#elseif swift(>=3.2.3)
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let version = "3.2.3"
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#elseif swift(>=3.2.2)
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let version = "3.2.2"
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#elseif swift(>=3.2.1)
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let version = "3.2.1"
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#elseif swift(>=3.2.0)
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let version = "3.2.0"
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#elseif swift(>=3.1.1)
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let version = "3.1.1"
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#elseif swift(>=3.1.0)
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let version = "3.1.0"
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#elseif swift(>=3.0.2)
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let version = "3.0.2"
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#elseif swift(>=3.0.1)
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let version = "3.0.1"
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#elseif swift(>=3.0.0)
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let version = "3.0.0"
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#endif
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""")
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func isString(token: SyntaxToken) -> Bool {
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return token.type == SyntaxKind.string.rawValue
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}
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if !Request.disableSourceKit,
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let decl = file.structure.kinds().first(where: { $0.kind == SwiftDeclarationKind.varGlobal.rawValue }),
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let token = file.syntaxMap.tokens(inByteRange: decl.byteRange).first(where: isString ) {
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return .init(rawValue: file.contents.substring(from: token.offset + 1, length: token.length - 2))
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}
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return .three
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}()
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}
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