Move PlatformRegistry to PackageLoading module

Author: mattt

Sources/PackageLoading/CMakeLists.txt

@@ -14,6 +14,7 @@ add_library(PackageLoading
   ModuleMapGenerator.swift
   PackageBuilder.swift
   PackageDescription4Loader.swift
+  PlatformRegistry.swift
   Target+PkgConfig.swift
   TargetSourcesBuilder.swift
   ToolsVersionLoader.swift

Sources/PackageLoading/PlatformRegistry.swift

@@ -0,0 +1,36 @@
+/*
+ This source file is part of the Swift.org open source project
+
+ Copyright (c) 2018 Apple Inc. and the Swift project authors
+ Licensed under Apache License v2.0 with Runtime Library Exception
+
+ See http://swift.org/LICENSE.txt for license information
+ See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+*/
+
+import PackageModel
+
+/// A registry for available platforms.
+public final class PlatformRegistry {
+
+    /// The current registery is hardcoded and static so we can just use
+    /// a singleton for now.
+    public static let `default`: PlatformRegistry = .init()
+
+    /// The list of known platforms.
+    public let knownPlatforms: [Platform]
+
+    /// The mapping of platforms to their name.
+    public let platformByName: [String: Platform]
+
+    /// Create a registry with the given list of platforms.
+    init(platforms: [Platform] = PlatformRegistry._knownPlatforms) {
+        self.knownPlatforms = platforms
+        self.platformByName = Dictionary(uniqueKeysWithValues: knownPlatforms.map({ ($0.name, $0) }))
+    }
+
+    /// The static list of known platforms.
+    private static var _knownPlatforms: [Platform] {
+        return [.macOS, .iOS, .tvOS, .watchOS, .linux, .windows, .android, .wasi]
+    }
+}

Sources/PackageModel/Platform.swift

@@ -8,31 +8,6 @@
  See http://swift.org/CONTRIBUTORS.txt for Swift project authors
 */
 
-/// A registry for available platforms.
-public final class PlatformRegistry {
-
-    /// The current registery is hardcoded and static so we can just use
-    /// a singleton for now.
-    public static let `default`: PlatformRegistry = .init()
-
-    /// The list of known platforms.
-    public let knownPlatforms: [Platform]
-
-    /// The mapping of platforms to their name. 
-    public let platformByName: [String: Platform]
-
-    /// Create a registry with the given list of platforms.
-    init(platforms: [Platform] = PlatformRegistry._knownPlatforms) {
-        self.knownPlatforms = platforms
-        self.platformByName = Dictionary(uniqueKeysWithValues: knownPlatforms.map({ ($0.name, $0) }))
-    }
-
-    /// The static list of known platforms.
-    private static var _knownPlatforms: [Platform] {
-        return [.macOS, .iOS, .tvOS, .watchOS, .linux, .windows, .android, .wasi]
-    }
-}
-
 /// Represents a platform.
 public struct Platform: Equatable, Hashable, Codable {
     /// The name of the platform.