Merge pull request #2854 from brentdax/output-free-lifestyle

Allow SwiftCompilerMessages with no outputs

Author: beccadax

Sources/Build/SwiftCompilerOutputParser.swift

@@ -28,14 +28,14 @@ public struct SwiftCompilerMessage {
         public struct BeganInfo {
             public let pid: Int
             public let inputs: [String]
-            public let outputs: [Output]
+            public let outputs: [Output]?
             public let commandExecutable: String
             public let commandArguments: [String]
 
             public init(
                 pid: Int,
                 inputs: [String],
-                outputs: [Output],
+                outputs: [Output]?,
                 commandExecutable: String,
                 commandArguments: [String]
             ) {
@@ -49,7 +49,7 @@ public struct SwiftCompilerMessage {
 
         public struct SkippedInfo {
             public let inputs: [String]
-            public let outputs: [Output]
+            public let outputs: [Output]?
 
             public init(inputs: [String], outputs: [SwiftCompilerMessage.Kind.Output]) {
                 self.inputs = inputs

Tests/BuildTests/SwiftCompilerOutputParserTests.swift

@@ -57,6 +57,17 @@ class SwiftCompilerOutputParserTests: XCTestCase {
               ],
               "pid": 58776
             }
+            250
+            {
+              "kind": "began",
+              "name": "verify-module-interface",
+              "inputs": [
+                "main.swiftinterface"
+              ],
+              "pid": 31337,
+              "command_executable": "swift",
+              "command_arguments" : ["-frontend", "-typecheck-module-from-interface", "main.swiftinterface"]
+            }
             299
             {
               "kind": "began",
@@ -108,6 +119,14 @@ class SwiftCompilerOutputParserTests: XCTestCase {
                     outputs: [.init(
                         type: "object",
                         path: "/var/folders/yc/rgflx8m11p5d71k1ydy0l_pr0000gn/T/test2-77d991.o")]))),
+            SwiftCompilerMessage(
+                name: "verify-module-interface",
+                kind: .began(.init(
+                    pid: 31337,
+                    inputs: ["main.swiftinterface"],
+                    outputs: nil,
+                    commandExecutable: "swift",
+                    commandArguments: ["-frontend", "-typecheck-module-from-interface", "main.swiftinterface"]))),
             SwiftCompilerMessage(
                 name: "link",
                 kind: .began(.init(