Use libSwiftPM instead of custom model types (#194)

* Use libSwiftPM instead of custom model types #120

* Update SwiftPM dependencies

* Add wrapper to handle discrepancy between encoded and decoded Manifest

* Try to fix 5.2 dependency resolving

* Try to fix 5.2 dependency resolving

Co-authored-by: Max Desiatov <max@desiatov.com>

Package.resolved

@@ -82,6 +82,24 @@
           "version": "1.1.3"
         }
       },
+      {
+        "package": "swift-driver",
+        "repositoryURL": "https://github.com/apple/swift-driver.git",
+        "state": {
+          "branch": "release/5.4",
+          "revision": "b71abc6384dcf3e765854e2b28b83c618d3726a6",
+          "version": null
+        }
+      },
+      {
+        "package": "llbuild",
+        "repositoryURL": "https://github.com/apple/swift-llbuild.git",
+        "state": {
+          "branch": "release/5.4",
+          "revision": "eb56a00ed9dfd62c2ce4ec86183ff0bc0afda997",
+          "version": null
+        }
+      },
       {
         "package": "swift-log",
         "repositoryURL": "https://github.com/apple/swift-log.git",
@@ -145,13 +163,22 @@
           "version": "1.9.1"
         }
       },
+      {
+        "package": "SwiftPM",
+        "repositoryURL": "https://github.com/apple/swift-package-manager.git",
+        "state": {
+          "branch": "release/5.4",
+          "revision": "9c96dd770834d4b02c680cbf63949fab75fb6cca",
+          "version": null
+        }
+      },
       {
         "package": "swift-tools-support-core",
         "repositoryURL": "https://github.com/apple/swift-tools-support-core.git",
         "state": {
-          "branch": null,
-          "revision": "243beea77d20db46647a3de4765c96e2c801c7c7",
-          "version": "0.1.12"
+          "branch": "release/5.4",
+          "revision": "bc7961701fd94104528b017e969f63ea40bdb22b",
+          "version": null
         }
       },
       {
@@ -180,6 +207,15 @@
           "revision": "2b06a70dfcfa76a2e5079f60e3ae911511f09db0",
           "version": "2.1.2"
         }
+      },
+      {
+        "package": "Yams",
+        "repositoryURL": "https://github.com/jpsim/Yams.git",
+        "state": {
+          "branch": null,
+          "revision": "9003d51672e516cc59297b7e96bff1dfdedcb4ea",
+          "version": "4.0.4"
+        }
       }
     ]
   },

Package.swift

@@ -26,9 +26,14 @@ let package = Package(
       url: "https://github.com/apple/swift-argument-parser.git",
       .upToNextMinor(from: "0.3.0")
     ),
+    .package(
+      name: "SwiftPM",
+      url: "https://github.com/apple/swift-package-manager.git",
+      .branch("release/5.4")
+    ),
     .package(
       url: "https://github.com/apple/swift-tools-support-core.git",
-      .upToNextMinor(from: "0.1.10")
+      .branch("release/5.4")
     ),
     .package(url: "https://github.com/OpenCombine/OpenCombine.git", from: "0.10.0"),
     .package(url: "https://github.com/vapor/vapor.git", from: "4.29.3"),
@@ -65,7 +70,6 @@ let package = Package(
         .product(name: "ArgumentParser", package: "swift-argument-parser"),
         .product(name: "AsyncHTTPClient", package: "async-http-client"),
         .product(name: "Crypto", package: "swift-crypto"),
-        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
         .product(name: "Vapor", package: "vapor"),
         "CartonHelpers",
         openCombineProduct,
@@ -76,7 +80,7 @@ let package = Package(
       name: "SwiftToolchain",
       dependencies: [
         .product(name: "AsyncHTTPClient", package: "async-http-client"),
-        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
+        .product(name: "SwiftPMDataModel", package: "SwiftPM"),
         "CartonHelpers",
         openCombineProduct,
         "WasmTransformer",
@@ -86,7 +90,6 @@ let package = Package(
       name: "CartonHelpers",
       dependencies: [
         .product(name: "AsyncHTTPClient", package: "async-http-client"),
-        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
         openCombineProduct,
         "Splash",
       ]
@@ -107,7 +110,6 @@ let package = Package(
       dependencies: [
         "Carton",
         "CartonHelpers",
-        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
         .product(name: "ArgumentParser", package: "swift-argument-parser"),
       ]
     ),

Package@swift-5.2.swift

@@ -20,9 +20,14 @@ let package = Package(
       url: "https://github.com/apple/swift-argument-parser.git",
       .upToNextMinor(from: "0.3.0")
     ),
+    .package(
+      name: "SwiftPM",
+      url: "https://github.com/apple/swift-package-manager.git",
+      .branch("release/5.4")
+    ),
     .package(
       url: "https://github.com/apple/swift-tools-support-core.git",
-      .upToNextMinor(from: "0.1.10")
+      .branch("release/5.4")
     ),
     .package(url: "https://github.com/OpenCombine/OpenCombine.git", from: "0.10.0"),
     .package(url: "https://github.com/vapor/vapor.git", from: "4.29.3"),
@@ -59,7 +64,6 @@ let package = Package(
         .product(name: "ArgumentParser", package: "swift-argument-parser"),
         .product(name: "AsyncHTTPClient", package: "async-http-client"),
         .product(name: "Crypto", package: "swift-crypto"),
-        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
         .product(name: "Vapor", package: "vapor"),
         "CartonHelpers",
         "OpenCombine",
@@ -70,6 +74,7 @@ let package = Package(
       name: "SwiftToolchain",
       dependencies: [
         .product(name: "AsyncHTTPClient", package: "async-http-client"),
+        .product(name: "SwiftPMDataModel", package: "SwiftPM"),
         .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
         "CartonHelpers",
         "OpenCombine",
@@ -92,7 +97,6 @@ let package = Package(
       dependencies: [
         .product(name: "ArgumentParser", package: "swift-argument-parser"),
         .product(name: "AsyncHTTPClient", package: "async-http-client"),
-        .product(name: "SwiftToolsSupport-auto", package: "swift-tools-support-core"),
         "CartonHelpers",
       ]
     ),

Sources/CartonCLI/Commands/Bundle.swift

@@ -16,6 +16,7 @@ import ArgumentParser
 import CartonHelpers
 import CartonKit
 import Crypto
+import PackageModel
 import SwiftToolchain
 import TSCBasic
 import WasmTransformer
@@ -105,7 +106,7 @@ struct Bundle: ParsableCommand {
     buildDirectory: AbsolutePath,
     bundleDirectory: AbsolutePath,
     toolchain: Toolchain,
-    product: Product
+    product: ProductDescription
   ) throws {
     // Rename the final binary to use a part of its hash to bust browsers and CDN caches.
     let optimizedHash = try localFileSystem.readFileContents(optimizedPath).hexSHA256.prefix(16)
@@ -137,9 +138,9 @@ struct Bundle: ParsableCommand {
       ))
     )
 
-    let package = try toolchain.package.get()
-    for target in package.targets where target.type == .regular && !target.resources.isEmpty {
-      let targetPath = package.resourcesPath(for: target)
+    let manifest = try toolchain.manifest.get()
+    for target in manifest.targets where target.type == .regular && !target.resources.isEmpty {
+      let targetPath = manifest.resourcesPath(for: target)
       let resourcesPath = buildDirectory.appending(component: targetPath)
       let targetDirectory = bundleDirectory.appending(component: targetPath)
 
@@ -154,13 +155,13 @@ struct Bundle: ParsableCommand {
      swiftlint:disable:next line_length
      https://forums.swift.org/t/pitch-ability-to-declare-executable-targets-in-swiftpm-manifests-to-support-main/41968
      */
-    let inferredMainTarget = package.targets.first {
+    let inferredMainTarget = manifest.targets.first {
       product.targets.contains($0.name)
     }
 
     guard let mainTarget = inferredMainTarget else { return }
 
-    let targetPath = package.resourcesPath(for: mainTarget)
+    let targetPath = manifest.resourcesPath(for: mainTarget)
     let resourcesPath = buildDirectory.appending(component: targetPath)
     for file in try localFileSystem.traverseRecursively(resourcesPath) {
       let targetPath = bundleDirectory.appending(component: file.basename)

Sources/CartonCLI/Commands/Dev.swift

@@ -47,7 +47,10 @@ struct Dev: ParsableCommand {
   @Option(name: .shortAndLong, help: "Set the HTTP port the development server will run on.")
   var port = 8080
 
-  @Option(name: .shortAndLong, help: "Set the location where the development server will run. Default is `127.0.0.1`.")
+  @Option(
+    name: .shortAndLong,
+    help: "Set the location where the development server will run. Default is `127.0.0.1`."
+  )
   var host = "127.0.0.1"
 
   @Flag(name: .long, help: "Skip automatically opening app in system browser.")
@@ -114,7 +117,7 @@ struct Dev: ParsableCommand {
         host: host,
         customIndexContent: HTML.readCustomIndexPage(at: customIndexPage, on: localFileSystem),
         // swiftlint:disable:next force_try
-        package: try! toolchain.package.get(),
+        manifest: try! toolchain.manifest.get(),
         product: inferredProduct,
         entrypoint: Self.entrypoint
       ),

Sources/CartonCLI/Commands/Test.swift

@@ -96,7 +96,7 @@ struct Test: ParsableCommand {
           host: host,
           customIndexContent: nil,
           // swiftlint:disable:next force_try
-          package: try! toolchain.package.get(),
+          manifest: try! toolchain.manifest.get(),
           product: nil,
           entrypoint: Self.entrypoint
         ),

Sources/CartonHelpers/Parsers/ChromeStackTrace.swift

@@ -26,8 +26,8 @@ public extension StringProtocol {
   var chromeStackTrace: [StackTraceItem] {
     split(separator: "\n").dropFirst().compactMap {
       if let webpackMatch = webpackRegex.matchGroups(in: String($0)).first,
-         let symbol = webpackMatch.first,
-         let location = webpackMatch.last
+        let symbol = webpackMatch.first,
+        let location = webpackMatch.last
       {
         return StackTraceItem(symbol: symbol, location: location, kind: .javaScript)
       } else if

Sources/CartonHelpers/Parsers/DiagnosticsParser.swift

@@ -162,9 +162,9 @@ public struct DiagnosticsParser: ProcessOutputParser {
       var groupedMessages = [[CustomDiagnostic]]()
       for message in messages {
         if let lastLineStr = groupedMessages.last?.last?.line,
-           let lastLine = Int(lastLineStr),
-           let line = Int(message.line),
-           lastLine == line - 1 || lastLine == line
+          let lastLine = Int(lastLineStr),
+          let line = Int(message.line),
+          lastLine == line - 1 || lastLine == line
         {
           groupedMessages[groupedMessages.count - 1].append(message)
         } else {

Sources/CartonHelpers/Parsers/FirefoxStackTrace.swift

@@ -26,8 +26,8 @@ public extension StringProtocol {
   var firefoxStackTrace: [StackTraceItem] {
     split(separator: "\n").compactMap {
       if let webpackMatch = webpackRegex.matchGroups(in: String($0)).first,
-         let symbol = webpackMatch.first,
-         let location = webpackMatch.last
+        let symbol = webpackMatch.first,
+        let location = webpackMatch.last
       {
         return StackTraceItem(symbol: symbol, location: location, kind: .javaScript)
       } else if

Sources/CartonHelpers/Parsers/SafariStackTrace.swift

@@ -26,7 +26,7 @@ public extension StringProtocol {
   var safariStackTrace: [StackTraceItem] {
     split(separator: "\n").compactMap {
       if let wasmMatch = wasmRegex.matchGroups(in: String($0)).first,
-         let symbol = wasmMatch.first
+        let symbol = wasmMatch.first
       {
         return StackTraceItem(
           symbol: demangle(symbol),

Sources/CartonHelpers/Parsers/String+Regex.swift

@@ -19,7 +19,7 @@ extension StringProtocol {
   func matches(regex: NSRegularExpression) -> String.SubSequence? {
     let str = String(self)
     guard let range = str.range(of: regex),
-          range.upperBound < str.endIndex
+      range.upperBound < str.endIndex
     else { return nil }
     return str[range.upperBound..<str.endIndex]
   }
@@ -29,7 +29,7 @@ extension StringProtocol {
     let str = String(self)
     let range = NSRange(location: 0, length: utf16.count)
     guard let match = regex.firstMatch(in: str, options: [], range: range),
-          let matchRange = Range(match.range, in: str)
+      let matchRange = Range(match.range, in: str)
     else {
       return nil
     }
@@ -40,7 +40,7 @@ extension StringProtocol {
     let str = String(self)
     let range = NSRange(location: 0, length: utf16.count)
     guard let matches = regex.matches(in: str, options: [], range: range).first,
-          let matchRange = Range(matches.range(withName: name), in: str)
+      let matchRange = Range(matches.range(withName: name), in: str)
     else {
       return nil
     }
@@ -50,7 +50,7 @@ extension StringProtocol {
   func match(of regex: NSRegularExpression, named name: String) -> String.SubSequence? {
     let str = String(self)
     guard let range = str.range(of: regex, named: name),
-          range.upperBound < str.endIndex && range.lowerBound >= str.startIndex
+      range.upperBound < str.endIndex && range.lowerBound >= str.startIndex
     else { return nil }
     return str[range]
   }

Sources/CartonHelpers/Parsers/TestsParser.swift

@@ -41,7 +41,7 @@ private extension StringProtocol {
     _ labelB: TestsParser.Regex.Label
   ) -> (String.SubSequence, String.SubSequence)? {
     guard let a = match(of: regex, named: labelA.rawValue),
-          let b = match(of: regex, named: labelB.rawValue)
+      let b = match(of: regex, named: labelB.rawValue)
     else {
       return nil
     }
@@ -93,10 +93,10 @@ public struct TestsParser: ProcessOutputParser {
 
     enum Assertion: String, CaseIterable {
       case equal = "Equal",
-           greaterThan = "GreaterThan",
-           lessThan = "LessThan",
-           greaterThanOrEqual = "GreaterThanOrEqual",
-           lessThanOrEqual = "LessThanOrEqual"
+        greaterThan = "GreaterThan",
+        lessThan = "LessThan",
+        greaterThanOrEqual = "GreaterThanOrEqual",
+        lessThanOrEqual = "LessThanOrEqual"
 
       var funcName: String {
         "XCTAssert\(rawValue)"
@@ -178,20 +178,20 @@ public struct TestsParser: ProcessOutputParser {
       if let suite = line.match(of: Regex.suiteStarted, labelled: .suite) {
         suites.append(.init(name: suite, cases: []))
       } else if let testCase = line.match(of: Regex.caseFinished, labelled: .testCase),
-                let suite = line.match(of: Regex.caseFinished, labelled: .suite),
-                let suiteIdx = suites.firstIndex(where: { $0.name == suite }),
-                let status = line.match(of: Regex.caseFinished, labelled: .status),
-                let duration = line.match(of: Regex.caseFinished, labelled: .duration)
+        let suite = line.match(of: Regex.caseFinished, labelled: .suite),
+        let suiteIdx = suites.firstIndex(where: { $0.name == suite }),
+        let status = line.match(of: Regex.caseFinished, labelled: .status),
+        let duration = line.match(of: Regex.caseFinished, labelled: .duration)
       {
         suites[suiteIdx].cases.append(
           .init(name: testCase, passed: status == "passed", duration: duration, problems: [])
         )
       } else if let problem = line.matches(regex: Regex.problem),
-                let path = line.match(of: Regex.problem, labelled: .path),
-                let lineNum = line.match(of: Regex.problem, labelled: .line),
-                let status = line.match(of: Regex.problem, labelled: .status),
-                let suite = line.match(of: Regex.problem, labelled: .suite),
-                let testCase = line.match(of: Regex.problem, labelled: .testCase)
+        let path = line.match(of: Regex.problem, labelled: .path),
+        let lineNum = line.match(of: Regex.problem, labelled: .line),
+        let status = line.match(of: Regex.problem, labelled: .status),
+        let suite = line.match(of: Regex.problem, labelled: .suite),
+        let testCase = line.match(of: Regex.problem, labelled: .testCase)
       {
         let diag = DiagnosticsParser.CustomDiagnostic(
           kind: DiagnosticsParser.CustomDiagnostic.Kind(rawValue: String(status)) ?? .note,
@@ -202,7 +202,7 @@ public struct TestsParser: ProcessOutputParser {
           message: String(problem)
         )
         if let suiteIdx = suites.firstIndex(where: { $0.name == suite }),
-           let caseIdx = suites[suiteIdx].cases.firstIndex(where: { $0.name == testCase })
+          let caseIdx = suites[suiteIdx].cases.firstIndex(where: { $0.name == testCase })
         {
           suites[suiteIdx].cases[caseIdx].problems.append(diag)
         } else {
@@ -212,7 +212,7 @@ public struct TestsParser: ProcessOutputParser {
     }
     for problem in unmappedProblems {
       if let suiteIdx = suites.firstIndex(where: { $0.name == problem.suite }),
-         let caseIdx = suites[suiteIdx].cases.firstIndex(where: { $0.name == problem.testCase })
+        let caseIdx = suites[suiteIdx].cases.firstIndex(where: { $0.name == problem.testCase })
       {
         suites[suiteIdx].cases[caseIdx].problems.append(problem.problem)
       }
@@ -269,7 +269,7 @@ public struct TestsParser: ProcessOutputParser {
           }
           // Get the line of code from the file and output it for context.
           if let lineNum = Int(problem.line),
-             lineNum > 0
+            lineNum > 0
           {
             var fileContents: String?
             if let fileBuf = fileBufs.first(where: { $0.path == problem.file })?.contents {

Sources/CartonHelpers/ProcessRunner.swift

@@ -146,7 +146,7 @@ public final class ProcessRunner {
   }
 
   public func waitUntilFinished() throws {
-    try await { completion in
+    try tsc_await { completion in
       subscription = publisher
         .sink(
           receiveCompletion: { completion($0.result) },

Sources/CartonKit/Model/Entrypoint.swift

@@ -69,7 +69,7 @@ public struct Entrypoint {
 
       let client = HTTPClient(eventLoopGroupProvider: .createNew)
       let request = try HTTPClient.Request.get(url: staticArchiveURL)
-      let response: HTTPClient.Response = try await {
+      let response: HTTPClient.Response = try tsc_await {
         client.execute(request: request).whenComplete($0)
       }
       try client.syncShutdown()
@@ -91,7 +91,7 @@ public struct Entrypoint {
       terminal.logLookup("Unpacking the archive: ", archiveFile)
 
       try fileSystem.createDirectory(staticDir)
-      try await {
+      try tsc_await {
         ZipArchiver().extract(from: archiveFile, to: staticDir, completion: $0)
       }
     }

Sources/CartonKit/Server/Application.swift

@@ -13,6 +13,7 @@
 // limitations under the License.
 
 import Foundation
+import PackageModel
 import SwiftToolchain
 import TSCBasic
 import Vapor
@@ -23,8 +24,8 @@ extension Application {
     let host: String
     let mainWasmPath: AbsolutePath
     let customIndexContent: String?
-    let package: SwiftToolchain.Package
-    let product: Product?
+    let manifest: Manifest
+    let product: ProductDescription?
     let entrypoint: Entrypoint
     let onWebSocketOpen: (WebSocket, DestinationEnvironment) -> ()
     let onWebSocketClose: (WebSocket) -> ()
@@ -63,10 +64,10 @@ extension Application {
     }
 
     let buildDirectory = configuration.mainWasmPath.parentDirectory
-    for target in configuration.package.targets
+    for target in configuration.manifest.targets
       where target.type == .regular && !target.resources.isEmpty
     {
-      let resourcesPath = configuration.package.resourcesPath(for: target)
+      let resourcesPath = configuration.manifest.resourcesPath(for: target)
       get(.constant(resourcesPath), "**") {
         $0.eventLoop.makeSucceededFuture($0.fileio.streamFile(at: AbsolutePath(
           buildDirectory.appending(component: resourcesPath),
@@ -75,13 +76,13 @@ extension Application {
       }
     }
 
-    let inferredMainTarget = configuration.package.targets.first {
+    let inferredMainTarget = configuration.manifest.targets.first {
       configuration.product?.targets.contains($0.name) == true
     }
 
     guard let mainTarget = inferredMainTarget else { return }
 
-    let resourcesPath = configuration.package.resourcesPath(for: mainTarget)
+    let resourcesPath = configuration.manifest.resourcesPath(for: mainTarget)
     get("**") {
       $0.eventLoop.makeSucceededFuture($0.fileio.streamFile(at: AbsolutePath(
         buildDirectory.appending(component: resourcesPath),

Sources/CartonKit/Server/Server.swift

@@ -18,6 +18,7 @@ import Combine
 #else
 import OpenCombine
 #endif
+import PackageModel
 import SwiftToolchain
 import TSCBasic
 import Vapor
@@ -83,8 +84,8 @@ public final class Server {
     let port: Int
     let host: String
     let customIndexContent: String?
-    let package: SwiftToolchain.Package
-    let product: Product?
+    let manifest: Manifest
+    let product: ProductDescription?
     let entrypoint: Entrypoint
 
     public init(
@@ -95,8 +96,8 @@ public final class Server {
       port: Int,
       host: String,
       customIndexContent: String?,
-      package: SwiftToolchain.Package,
-      product: Product?,
+      manifest: Manifest,
+      product: ProductDescription?,
       entrypoint: Entrypoint
     ) {
       self.builder = builder
@@ -106,7 +107,7 @@ public final class Server {
       self.port = port
       self.host = host
       self.customIndexContent = customIndexContent
-      self.package = package
+      self.manifest = manifest
       self.product = product
       self.entrypoint = entrypoint
     }
@@ -137,7 +138,7 @@ public final class Server {
         host: configuration.host,
         mainWasmPath: configuration.mainWasmPath,
         customIndexContent: configuration.customIndexContent,
-        package: configuration.package,
+        manifest: configuration.manifest,
         product: configuration.product,
         entrypoint: configuration.entrypoint,
         onWebSocketOpen: { [weak self] ws, environment in

Sources/SwiftToolchain/Builder.swift

@@ -92,7 +92,7 @@ public final class Builder {
   }
 
   public func runAndWaitUntilFinished() throws {
-    try await { completion in
+    try tsc_await { completion in
       subscription = run()
         .sink(
           receiveCompletion: { completion($0.result) },

Sources/SwiftToolchain/Manifest.swift

@@ -0,0 +1,154 @@
+// Copyright 2020 Carton contributors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+import CartonHelpers
+import Foundation
+import PackageModel
+import TSCBasic
+
+extension Manifest {
+  static func from(swiftPath: AbsolutePath, terminal: InteractiveWriter) throws -> Manifest {
+    terminal.write("\nParsing package manifest: ", inColor: .yellow)
+    terminal.write("\(swiftPath) package dump-package\n")
+    let output = try Data(processDataOutput([swiftPath.pathString, "package", "dump-package"]))
+    let decoder = JSONDecoder()
+    let unencodedValues = DumpedManifest.Unencoded(
+      path: swiftPath,
+      url: swiftPath.asURL.absoluteString,
+      version: nil
+    )
+    decoder.userInfo[DumpedManifest.unencodedKey] = unencodedValues
+    let dumpedManifest = try decoder.decode(DumpedManifest.self, from: output)
+    return dumpedManifest.manifest
+  }
+
+  public func resourcesPath(for target: TargetDescription) -> String {
+    "\(name)_\(target.name).resources"
+  }
+}
+
+public enum PackageType: String {
+  case empty
+  case library
+  case executable
+  case systemModule = "system-module"
+  case manifest
+}
+
+// MARK: Custom Decodable Wrappers
+
+// TODO: Remove this struct when we move to `Swift 5.4`
+/// A temprary wrapper for decoding `PackageDependencyDescription` since
+/// `productFilter` is not available in dumped JSON with pre-5.4 compilers.
+struct DumpedPackageDependencyDescription: Decodable {
+  var dependendy: PackageDependencyDescription
+
+  private enum CodingKeys: CodingKey {
+    case name, url, requirement, productFilter
+  }
+
+  init(from decoder: Decoder) throws {
+    let container = try decoder.container(keyedBy: CodingKeys.self)
+    let name = try container.decode(String.self, forKey: .name)
+    let url = try container.decode(String.self, forKey: .url)
+    let requirement = try container.decode(
+      PackageDependencyDescription.Requirement.self,
+      forKey: .requirement
+    )
+    let productFilter = try? container.decode(ProductFilter.self, forKey: .productFilter)
+    dependendy = PackageDependencyDescription(
+      name: name,
+      url: url,
+      requirement: requirement,
+      productFilter: productFilter ?? .nothing
+    )
+  }
+}
+
+/// A wrapper around `Manifest` needed for decoding from `dump-package` output,
+/// since when encoding several (required for initialization) keys are skipped.
+/// When decoding this wrapper, callers must provide an `unencodedKey` in the
+/// decoder's `userInfo`.
+struct DumpedManifest: Decodable {
+  var manifest: Manifest
+
+  static let unencodedKey = CodingUserInfoKey(rawValue: "unencoded")!
+
+  /// The skipped keys during `dump-package` encoding
+  struct Unencoded {
+    let path: AbsolutePath
+    let url: String
+    let version: Version?
+  }
+
+  private enum CodingKeys: CodingKey {
+    case name, toolsVersion,
+      pkgConfig, providers, cLanguageStandard, cxxLanguageStandard, swiftLanguageVersions,
+      dependencies, products, targets, platforms, packageKind, revision,
+      defaultLocalization
+  }
+
+  init(from decoder: Decoder) throws {
+    guard let unencoded = decoder.userInfo[DumpedManifest.unencodedKey] as? Unencoded else {
+      let context = DecodingError.Context(
+        codingPath: [],
+        debugDescription: "Unencoded values are missing from Decoder's userInfo"
+      )
+      throw DecodingError.dataCorrupted(context)
+    }
+
+    let container = try decoder.container(keyedBy: CodingKeys.self)
+    let name = try container.decode(String.self, forKey: .name)
+    let toolsVersion = try container.decode(ToolsVersion.self, forKey: .toolsVersion)
+    let pkgConfig = try container.decode(String?.self, forKey: .pkgConfig)
+    let providers = try container.decode(
+      [SystemPackageProviderDescription]?.self,
+      forKey: .providers
+    )
+    let cLanguageStandard = try container.decode(String?.self, forKey: .cLanguageStandard)
+    let cxxLanguageStandard = try container.decode(String?.self, forKey: .cxxLanguageStandard)
+    let swiftLanguageVersions = try container.decode(
+      [SwiftLanguageVersion]?.self,
+      forKey: .swiftLanguageVersions
+    )
+    // TODO: Change to `PackageDependencyDescription` when we move to `Swift 5.4`
+    let dependencies = try container.decode(
+      [DumpedPackageDependencyDescription].self,
+      forKey: .dependencies
+    )
+    let products = try container.decode([ProductDescription].self, forKey: .products)
+    let targets = try container.decode([TargetDescription].self, forKey: .targets)
+    let platforms = try container.decode([PlatformDescription].self, forKey: .platforms)
+    // TODO: Change to non-optional when we move to `Swift 5.4`
+    // `packageKind` is not available in dumped JSON with pre-5.4 compilers.
+    let packageKind = try? container.decode(PackageReference.Kind.self, forKey: .packageKind)
+    manifest = Manifest(
+      name: name,
+      platforms: platforms,
+      path: unencoded.path,
+      url: unencoded.url,
+      version: unencoded.version,
+      toolsVersion: toolsVersion,
+      packageKind: packageKind ?? .root,
+      pkgConfig: pkgConfig,
+      providers: providers,
+      cLanguageStandard: cLanguageStandard,
+      cxxLanguageStandard: cxxLanguageStandard,
+      swiftLanguageVersions: swiftLanguageVersions,
+      dependencies: dependencies.map(\.dependendy),
+      products: products,
+      targets: targets
+    )
+  }
+}

Sources/SwiftToolchain/Package.swift

@@ -1,105 +0,0 @@
-// Copyright 2020 Carton contributors
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-import CartonHelpers
-import Foundation
-import TSCBasic
-
-/**
- Simple Package structure from package dump
- */
-public struct Package: Codable {
-  public let name: String
-  public let products: [Product]
-  public let targets: [Target]
-  public let dependencies: [Dependency]?
-
-  public struct Dependency: Codable {
-    let name: String
-    let requirement: Requirement
-
-    struct Requirement: Codable {
-      let range: [Range]?
-      let branch: [String]?
-      let revision: [String]?
-      let exact: [String]?
-
-      struct Range: Codable {
-        let lowerBound: String
-        let upperBound: String
-      }
-    }
-  }
-
-  init(with swiftPath: AbsolutePath, _ terminal: InteractiveWriter) throws {
-    terminal.write("\nParsing package manifest: ", inColor: .yellow)
-    terminal.write("\(swiftPath) package dump-package\n")
-    let output = try Data(processDataOutput([swiftPath.pathString, "package", "dump-package"]))
-
-    self = try JSONDecoder().decode(Package.self, from: output)
-  }
-
-  public func resourcesPath(for target: Target) -> String {
-    "\(name)_\(target.name).resources"
-  }
-}
-
-struct ProductType: Codable {
-  let executable: String?
-  let library: [String]?
-}
-
-/**
- Simple Product structure from package dump
- */
-public struct Product: Codable {
-  let name: String
-  let type: ProductType
-
-  /** List of names of targets that this product is composed of. Can be used to infer actual
-   target descriptions used in this product.
-   */
-  public let targets: [String]
-}
-
-public enum TargetType: String, Codable {
-  case regular
-  case test
-  case system
-}
-
-public struct Target: Codable {
-  public let name: String
-  public let type: TargetType
-  public let path: String?
-  public let resources: [Resource]
-}
-
-public struct Resource: Codable {
-  public let path: String
-  public let rule: Rule
-
-  public enum Rule: String, Codable {
-    case copy
-    case process
-  }
-}
-
-public enum PackageType: String {
-  case empty
-  case library
-  case executable
-  case systemModule = "system-module"
-  case manifest
-}

Sources/SwiftToolchain/Toolchain.swift

@@ -14,6 +14,7 @@
 
 import CartonHelpers
 import Foundation
+import PackageModel
 import TSCBasic
 import TSCUtility
 
@@ -67,16 +68,29 @@ enum ToolchainError: Error, CustomStringConvertible {
   }
 }
 
-extension Package.Dependency.Requirement {
+extension PackageDependencyDescription.Requirement {
   var isJavaScriptKitCompatible: Bool {
-    if let upperBound = range?.first?.upperBound, let version = Version(string: upperBound) {
-      return version >= compatibleJSKitVersion
+    switch self {
+    case let .exact(version):
+      return version == compatibleJSKitVersion
+    case let .range(range):
+      return range.upperBound >= compatibleJSKitVersion
+    case .localPackage:
+      return true
+    default:
+      return false
     }
-    return exact?.compactMap { Version(string: $0) } == [compatibleJSKitVersion]
   }
 
-  var version: String {
-    revision?.first ?? range?.first?.lowerBound ?? ""
+  var versionDescription: String {
+    switch self {
+    case let .exact(version):
+      return version.description
+    case let .range(range):
+      return range.lowerBound.description
+    default:
+      return "(Unknown)"
+    }
   }
 }
 
@@ -86,7 +100,7 @@ public final class Toolchain {
 
   private let version: String
   private let swiftPath: AbsolutePath
-  public let package: Result<Package, Error>
+  public let manifest: Result<Manifest, Error>
 
   public init(
     for versionSpec: String? = nil,
@@ -99,7 +113,7 @@ public final class Toolchain {
     self.version = version
     self.fileSystem = fileSystem
     self.terminal = terminal
-    package = Result { try Package(with: swiftPath, terminal) }
+    manifest = Result { try Manifest.from(swiftPath: swiftPath, terminal: terminal) }
   }
 
   private func inferBinPath(isRelease: Bool) throws -> AbsolutePath {
@@ -114,11 +128,11 @@ public final class Toolchain {
     return AbsolutePath(binPath)
   }
 
-  private func inferDevProduct(hint: String?) throws -> Product? {
-    let package = try self.package.get()
+  private func inferDevProduct(hint: String?) throws -> ProductDescription? {
+    let manifest = try self.manifest.get()
 
-    var candidateProducts = package.products
-      .filter { $0.type.library == nil }
+    var candidateProducts = manifest.products
+      .filter { $0.type == .executable }
 
     if let productName = hint {
       candidateProducts = candidateProducts.filter { $0.name == productName }
@@ -152,7 +166,7 @@ public final class Toolchain {
   }
 
   private func inferManifestDirectory() throws -> AbsolutePath {
-    guard (try? package.get()) != nil, var cwd = fileSystem.currentWorkingDirectory else {
+    guard (try? manifest.get()) != nil, var cwd = fileSystem.currentWorkingDirectory else {
       throw ToolchainError.missingPackageManifest
     }
 
@@ -169,15 +183,15 @@ public final class Toolchain {
   }
 
   public func inferSourcesPaths() throws -> [AbsolutePath] {
-    let package = try self.package.get()
+    let manifest = try self.manifest.get()
 
-    let targetPaths = package.targets.compactMap { target -> String? in
+    let targetPaths = manifest.targets.compactMap { target -> String? in
 
       guard let path = target.path else {
         switch target.type {
         case .regular:
           return RelativePath("Sources").appending(component: target.name).pathString
-        case .test, .system:
+        case .test, .system, .executable, .binary:
           return nil
         }
       }
@@ -194,20 +208,20 @@ public final class Toolchain {
   public func buildCurrentProject(
     product: String?,
     isRelease: Bool
-  ) throws -> (builderArguments: [String], mainWasmPath: AbsolutePath, Product) {
+  ) throws -> (builderArguments: [String], mainWasmPath: AbsolutePath, ProductDescription) {
     guard let product = try inferDevProduct(hint: product)
     else { throw ToolchainError.noExecutableProduct }
 
-    let package = try self.package.get()
-    if let jsKit = package.dependencies?.first(where: { $0.name == "JavaScriptKit" }),
-       !jsKit.requirement.isJavaScriptKitCompatible
+    let manifest = try self.manifest.get()
+    if let jsKit = manifest.dependencies.first(where: { $0.name == "JavaScriptKit" }),
+      !jsKit.requirement.isJavaScriptKitCompatible
     {
-      let version = jsKit.requirement.version
+      let versionDescription = jsKit.requirement.versionDescription
 
       terminal.write(
         """
 
-        This version of JavaScriptKit \(version) is not known to be compatible with \
+        This version of JavaScriptKit \(versionDescription) is not known to be compatible with \
         carton \(cartonVersion). Please specify a JavaScriptKit dependency on version \
         \(compatibleJSKitVersion) in your `Package.swift`.\n
 
@@ -246,9 +260,9 @@ public final class Toolchain {
     isRelease: Bool,
     _ environment: DestinationEnvironment
   ) throws -> AbsolutePath {
-    let package = try self.package.get()
+    let manifest = try self.manifest.get()
     let binPath = try inferBinPath(isRelease: isRelease)
-    let testProductName = "\(package.name)PackageTests"
+    let testProductName = "\(manifest.name)PackageTests"
     let testBundlePath = binPath.appending(component: "\(testProductName).wasm")
     terminal.logLookup("- test bundle to run: ", testBundlePath.pathString)
 

Sources/SwiftToolchain/ToolchainInstallation.swift

@@ -49,7 +49,7 @@ extension ToolchainSystem {
     var subscriptions = [AnyCancellable]()
     let request = try HTTPClient.Request.get(url: url)
 
-    _ = try await { (completion: @escaping (Result<(), Error>) -> ()) in
+    _ = try tsc_await { (completion: @escaping (Result<(), Error>) -> ()) in
       client.execute(request: request, delegate: delegate).futureResult.whenComplete { _ in
         subject.send(completion: .finished)
       }
@@ -115,7 +115,7 @@ extension ToolchainSystem {
       path: path,
       reportHead: {
         guard $0.status == .ok,
-              let totalBytes = $0.headers.first(name: "Content-Length").flatMap(Int.init)
+          let totalBytes = $0.headers.first(name: "Content-Length").flatMap(Int.init)
         else {
           subject.send(completion: .failure(ToolchainError.invalidResponseCode($0.status.code)))
           return

Sources/SwiftToolchain/ToolchainManagement.swift

@@ -104,8 +104,8 @@ public class ToolchainSystem {
   ) throws -> String {
     if let versionSpec = versionSpec {
       if let url = URL(string: versionSpec),
-         let filename = url.pathComponents.last,
-         let match = versionRegEx.matchGroups(in: filename).first?.first
+        let filename = url.pathComponents.last,
+        let match = versionRegEx.matchGroups(in: filename).first?.first
       {
         terminal.logLookup("Inferred swift version: ", match)
         return match
@@ -152,7 +152,7 @@ public class ToolchainSystem {
     terminal.logLookup("Fetching release assets from ", releaseURL)
     let decoder = JSONDecoder()
     let request = try HTTPClient.Request.get(url: releaseURL)
-    let release = try await {
+    let release = try tsc_await {
       client.execute(request: request).flatMapResult { response -> Result<Release, Error> in
         guard (200..<300).contains(response.status.code), let body = response.body else {
           return .failure(ToolchainError.invalidResponse(
@@ -267,10 +267,10 @@ public class ToolchainSystem {
 
   public func fetchLocalSwiftVersion() throws -> String? {
     guard fileSystem.isFile(swiftVersionPath),
-          let version = try fileSystem.readFileContents(swiftVersionPath)
-          .validDescription?
-          // get the first line of the file
-          .components(separatedBy: CharacterSet.newlines).first
+      let version = try fileSystem.readFileContents(swiftVersionPath)
+      .validDescription?
+      // get the first line of the file
+      .components(separatedBy: CharacterSet.newlines).first
     else { return nil }
 
     return version

Sources/carton-release/Formula.swift

@@ -23,7 +23,7 @@ struct Formula: ParsableCommand {
     let archiveURL = "https://github.com/swiftwasm/carton/archive/\(version).tar.gz"
 
     let client = HTTPClient(eventLoopGroupProvider: .createNew)
-    let response: HTTPClient.Response = try await {
+    let response: HTTPClient.Response = try tsc_await {
       client.get(url: archiveURL).whenComplete($0)
     }
     try client.syncShutdown()