Upgrade SwiftPM dependency to master branch

.gitignore

@@ -1,6 +1,5 @@
 .DS_Store
 default.profraw
-Package.resolved
 /.build
 /Packages
 /*.xcodeproj

Package.swift

@@ -7,7 +7,7 @@ let package = Package(
     products: [
     ],
     dependencies: [
-      .package(url: "https://github.com/apple/swift-package-manager.git", "0.3.0"..<"0.4.0"),
+      .package(url: "https://github.com/apple/swift-package-manager.git", .branch("master")),
       .package(url: "https://github.com/apple/indexstore-db.git", .branch("master")),
     ],
     targets: [

Sources/LanguageServerProtocol/Diagnostic.swift

@@ -25,7 +25,7 @@ public enum DiagnosticCode: Hashable {
 public struct Diagnostic: Codable, Hashable {
 
   /// The primary position/range of the diagnostic.
-  public var range: Range<Position>
+  public var range: PositionRange
 
   /// Whether this is a warning, error, etc.
   public var severity: DiagnosticSeverity?
@@ -43,7 +43,7 @@ public struct Diagnostic: Codable, Hashable {
   public var relatedInformation: [DiagnosticRelatedInformation]?
 
   public init(range: Range<Position>, severity: DiagnosticSeverity?, code: DiagnosticCode? = nil, source: String?, message: String, relatedInformation: [DiagnosticRelatedInformation]? = nil) {
-    self.range = range
+    self.range = PositionRange(range)
     self.severity = severity
     self.code = code
     self.source = source

Sources/LanguageServerProtocol/DocumentHighlight.swift

@@ -19,13 +19,13 @@ public enum DocumentHighlightKind: Int, Codable, Hashable {
 public struct DocumentHighlight: ResponseType, Hashable {
 
   /// The location of the highlight.
-  public var range: Range<Position>
+  public var range: PositionRange
 
   /// What kind of reference this is. Default is `.text`.
   public var kind: DocumentHighlightKind?
 
   public init(range: Range<Position>, kind: DocumentHighlightKind?) {
-    self.range = range
+    self.range = PositionRange(range)
     self.kind = kind
   }
 }

Sources/LanguageServerProtocol/Location.swift

@@ -13,21 +13,18 @@
 /// Range within a particular document.
 ///
 /// For a location where the document is implied, use `Position` or `Range<Position>`.
-public struct Location {
+public struct Location: Hashable {
 
   public var url: URL
 
-  public var range: Range<Position>
+  public var range: PositionRange
 
   public init(url: URL, range: Range<Position>) {
     self.url = url
-    self.range = range
+    self.range = PositionRange(range)
   }
 }
 
-extension Location: Equatable {}
-extension Location: Hashable {}
-
 // Encode using the key "uri" to match LSP.
 extension Location: Codable {
   private enum CodingKeys: String, CodingKey {

Sources/LanguageServerProtocol/Messages.swift

@@ -309,7 +309,7 @@ public struct HoverResponse: ResponseType, Hashable {
 
   public var contents: MarkupContent
 
-  public var range: Range<Position>?
+  public var range: PositionRange?
 
   /// Extension!
   public var usr: String?
@@ -319,7 +319,7 @@ public struct HoverResponse: ResponseType, Hashable {
 
   public init(contents: MarkupContent, range: Range<Position>?, usr: String?, definition: Location?) {
     self.contents = contents
-    self.range = range
+    self.range = range.map { PositionRange($0) }
     self.usr = usr
     self.definition = definition
   }
@@ -378,7 +378,7 @@ public struct DocumentRangeFormatting: TextDocumentRequest, Hashable {
 
   public var textDocument: TextDocumentIdentifier
 
-  public var range: Range<Position>
+  public var range: PositionRange
 
   public var options: FormattingOptions
 }

Sources/LanguageServerProtocol/Position.swift

@@ -11,7 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 /// Position within a text document, expressed as a zero-based line and column (utf-16 code unit offset).
-public struct Position {
+public struct Position: Hashable {
 
   /// Line number within a document (zero-based).
   public var line: Int
@@ -25,8 +25,6 @@ public struct Position {
   }
 }
 
-extension Position: Equatable {}
-extension Position: Hashable {}
 extension Position: Codable {
   private enum CodingKeys: String, CodingKey {
     case line
@@ -39,29 +37,3 @@ extension Position: Comparable {
     return (lhs.line, lhs.utf16index) < (rhs.line, rhs.utf16index)
   }
 }
-
-// Encode Range<Position> using the keys "start" and "end" to match the LSP protocol for "Range".
-extension Range: Codable where Bound == Position {
-  private enum CodingKeys: String, CodingKey {
-    case lowerBound = "start"
-    case upperBound = "end"
-  }
-
-  /// Create a range for a single position.
-  public init(_ pos: Position) {
-    self = pos ..< pos
-  }
-
-  public init(from decoder: Decoder) throws {
-    let values = try decoder.container(keyedBy: CodingKeys.self)
-    let lowerBound = try values.decode(Position.self, forKey: .lowerBound)
-    let upperBound = try values.decode(Position.self, forKey: .upperBound)
-    self = lowerBound ..< upperBound
-  }
-
-  public func encode(to encoder: Encoder) throws {
-    var container = encoder.container(keyedBy: CodingKeys.self)
-    try container.encode(lowerBound, forKey: .lowerBound)
-    try container.encode(upperBound, forKey: .upperBound)
-  }
-}

Sources/LanguageServerProtocol/PositionRange.swift

@@ -0,0 +1,47 @@
+//===----------------------------------------------------------------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2014 - 2018 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+/// Half-open range of Positions `[start, end)` within a text document, for use in LSP messages.
+///
+/// It is generally preferred to work with Range<Position> directly, but when passing values in LSP
+/// messages, use PositionRange to provide the correct (de)serialization.
+public struct PositionRange: Hashable {
+
+  /// The `lowerBound` of the range (inclusive).
+  public var lowerBound: Position
+
+  /// The `upperBound` of the range (exclusive).
+  public var upperBound: Position
+
+  /// The equivalent range expressed as a `Swift.Range`.
+  public var asRange: Range<Position> { return lowerBound..<upperBound}
+
+  public init(_ range: Range<Position>) {
+    self.lowerBound = range.lowerBound
+    self.upperBound = range.upperBound
+  }
+}
+
+extension PositionRange: Codable {
+  private enum CodingKeys: String, CodingKey {
+    case lowerBound = "start"
+    case upperBound = "end"
+  }
+}
+
+extension Range where Bound == Position {
+
+  /// Create a range for a single position.
+  public init(_ pos: Position) {
+    self = pos ..< pos
+  }
+}

Sources/LanguageServerProtocol/TextDocumentContentChangeEvent.swift

@@ -17,14 +17,14 @@
 /// The `range.end` and `rangeLength` are potentially redundant. Based on https://github.com/Microsoft/language-server-protocol/issues/9, servers should be lenient and accept either.
 public struct TextDocumentContentChangeEvent: Codable, Hashable {
 
-  public var range: Range<Position>?
+  public var range: PositionRange?
 
   public var rangeLength: Int?
 
   public var text: String
 
   public init(range: Range<Position>? = nil, rangeLength: Int? = nil, text: String) {
-    self.range = range
+    self.range = range.map { PositionRange($0) }
     self.rangeLength = rangeLength
     self.text = text
   }

Sources/LanguageServerProtocol/TextEdit.swift

@@ -14,13 +14,13 @@
 public struct TextEdit: Codable, Hashable {
 
   /// The range of text to be replaced.
-  var range: Range<Position>
+  var range: PositionRange
 
   /// The new text.
   var newText: String
 
   public init(range: Range<Position>, newText: String) {
-    self.range = range
+    self.range = PositionRange(range)
     self.newText = newText
   }
 }

Sources/LanguageServerProtocolJSONRPC/MessageSplitting.swift

@@ -16,7 +16,7 @@ import SKSupport
 struct MessageHeader: Hashable {
   static let contentLengthKey: [UInt8] = [UInt8]("Content-Length".utf8)
   static let separator: [UInt8] = [UInt8]("\r\n".utf8)
-  static let colon: UInt8 = ":".utf8.only!
+  static let colon: UInt8 = ":".utf8.spm_only!
   static let invalidKeyBytes: [UInt8] = [colon] + separator
 
   var contentLength: Int? = nil

Sources/SKCore/FallbackBuildSettingsProvider.swift

@@ -19,7 +19,7 @@ public final class FallbackBuildSettingsProvider: BuildSettingsProvider {
 
   lazy var sdkpath: AbsolutePath? = {
     if case .darwin? = Platform.currentPlatform {
-      if let str = try? Process.checkNonZeroExit(args: "/usr/bin/xcrun", "--show-sdk-path", "--sdk", "macosx"), let path = try? AbsolutePath(validating: str.chomp()) {
+      if let str = try? Process.checkNonZeroExit(args: "/usr/bin/xcrun", "--show-sdk-path", "--sdk", "macosx"), let path = try? AbsolutePath(validating: str.spm_chomp()) {
         return path
       }
     }

Sources/SKCore/ToolchainRegistry.swift

@@ -141,7 +141,7 @@ extension ToolchainRegistry {
     ]
 
   var currentXcodeDeveloperPath: AbsolutePath? {
-    if let str = try? Process.checkNonZeroExit(args: "/usr/bin/xcode-select", "-p"), let path = try? AbsolutePath(validating: str.chomp()) {
+    if let str = try? Process.checkNonZeroExit(args: "/usr/bin/xcode-select", "-p"), let path = try? AbsolutePath(validating: str.spm_chomp()) {
       return path
     }
     return nil

Sources/SKSupport/Result.swift

@@ -34,18 +34,3 @@ extension Result {
     }
   }
 }
-
-extension Result: Equatable where Value: Equatable, ErrorType: Equatable {
-
-  @inlinable
-  public static func ==(lhs: Result, rhs: Result) -> Bool {
-    switch (lhs, rhs) {
-    case (.success(let lhs), .success(let rhs)):
-      return lhs == rhs
-    case (.failure(let lhs), .failure(let rhs)):
-      return lhs == rhs
-    default:
-      return false
-    }
-  }
-}

Sources/SKSupport/dlopen.swift

@@ -47,8 +47,10 @@ public struct DLOpenFlags: RawRepresentable, OptionSet {
   // Platform-specific flags.
   #if os(macOS)
     public static let first: DLOpenFlags = DLOpenFlags(rawValue: RTLD_FIRST)
+    public static let deepBind: DLOpenFlags = DLOpenFlags(rawValue: 0)
   #else
     public static let first: DLOpenFlags = DLOpenFlags(rawValue: 0)
+    public static let deepBind: DLOpenFlags = DLOpenFlags(rawValue: RTLD_DEEPBIND)
   #endif
 
   public var rawValue: Int32