Merge pull request #1022 from swiftlang/automerge/merge-main-2025-05-19_09-01

Merge `main` into `release/6.2`

Author: bnbarham

.github/workflows/publish_release.yml

@@ -30,7 +30,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - run: |
-          if [[ "${{ github.triggering_actor }}" != "ahoppen" ]]; then
+          if [[ "${{ github.triggering_actor }}" != "bnbarham" ]]; then
             echo "${{ github.triggering_actor }} is not allowed to create a release"
             exit 1
           fi

.github/workflows/pull_request.yml

@@ -1,5 +1,8 @@
 name: Pull request
 
+# PRs created by GitHub Actions don't kick off further actions (https://github.com/peter-evans/create-pull-request/blob/d57e551ebc1a16dee0b8c9ea6d24dba7627a6e35/docs/concepts-guidelines.md#triggering-further-workflow-runs).
+# As a workaround, we mark automerge PRs that are created by GitHub actions as draft and trigger the GitHub actions by marking the PR as ready for review. We'd prefer not re-triggering testing on a normal user's PR in this case, but skipping them causes the checks to reset.
+
 on:
   pull_request:
     types: [opened, reopened, synchronize, ready_for_review]
@@ -12,17 +15,11 @@ jobs:
   tests:
     name: Test
     uses: swiftlang/github-workflows/.github/workflows/swift_package_test.yml@main
-    # PRs created by GitHub Actions don't kick off further actions (https://github.com/peter-evans/create-pull-request/blob/d57e551ebc1a16dee0b8c9ea6d24dba7627a6e35/docs/concepts-guidelines.md#triggering-further-workflow-runs).
-    # As a workaround, we mark automerge PRs that are created by GitHub actions as draft and trigger the GitHub actions by marking the PR as ready for review. But we don't want to re-trigger testing this when a normal user's PR is marked as ready for review.
-    if: (github.event.action != 'ready_for_review') || (github.event.action == 'ready_for_review' && github.event.pull_request.user.login == 'github-actions[bot]')
     with:
       linux_exclude_swift_versions: "[{\"swift_version\": \"5.8\"}]"
   soundness:
     name: Soundness
     uses: swiftlang/github-workflows/.github/workflows/soundness.yml@main
-    # PRs created by GitHub Actions don't kick off further actions (https://github.com/peter-evans/create-pull-request/blob/d57e551ebc1a16dee0b8c9ea6d24dba7627a6e35/docs/concepts-guidelines.md#triggering-further-workflow-runs).
-    # As a workaround, we mark automerge PRs that are created by GitHub actions as draft and trigger the GitHub actions by marking the PR as ready for review. But we don't want to re-trigger testing this when a normal user's PR is marked as ready for review.
-    if: (github.event.action != 'ready_for_review') || (github.event.action == 'ready_for_review' && github.event.pull_request.user.login == 'github-actions[bot]')
     with:
       license_header_check_project_name: "Swift.org"
       api_breakage_check_allowlist_path: "api-breakages.txt"

Sources/SwiftFormat/API/Configuration.swift

@@ -292,7 +292,11 @@ public struct Configuration: Codable, Equatable {
 
   /// Creates a new `Configuration` by decoding it from the UTF-8 representation in the given data.
   public init(data: Data) throws {
-    self = try JSONDecoder().decode(Configuration.self, from: data)
+    let jsonDecoder = JSONDecoder()
+    #if canImport(Darwin) || compiler(>=6)
+    jsonDecoder.allowsJSON5 = true
+    #endif
+    self = try jsonDecoder.decode(Configuration.self, from: data)
   }
 
   public init(from decoder: Decoder) throws {

Sources/SwiftFormat/Rules/NoAssignmentInExpressions.swift

@@ -113,15 +113,15 @@ public final class NoAssignmentInExpressions: SyntaxFormatRule {
 
   /// Returns a value indicating whether the given node is a standalone assignment statement.
   ///
-  /// This function considers try/await expressions and automatically walks up through them as
-  /// needed. This is because `try f().x = y` should still be a standalone assignment for our
+  /// This function considers try/await/unsafe expressions and automatically walks up through them
+  /// as needed. This is because `try f().x = y` should still be a standalone assignment for our
   /// purposes, even though a `TryExpr` will wrap the `InfixOperatorExpr` and thus would not be
   /// considered a standalone assignment if we only checked the infix expression for a
   /// `CodeBlockItem` parent.
   private func isStandaloneAssignmentStatement(_ node: InfixOperatorExprSyntax) -> Bool {
     var node = Syntax(node)
     while let parent = node.parent,
-      parent.is(TryExprSyntax.self) || parent.is(AwaitExprSyntax.self)
+      parent.is(TryExprSyntax.self) || parent.is(AwaitExprSyntax.self) || parent.is(UnsafeExprSyntax.self)
     {
       node = parent
     }

Tests/SwiftFormatTests/API/ConfigurationTests.swift

@@ -23,6 +23,9 @@ final class ConfigurationTests: XCTestCase {
 
     let emptyDictionaryData = "{}\n".data(using: .utf8)!
     let jsonDecoder = JSONDecoder()
+    #if canImport(Darwin) || compiler(>=6)
+    jsonDecoder.allowsJSON5 = true
+    #endif
     let emptyJSONConfig =
       try! jsonDecoder.decode(Configuration.self, from: emptyDictionaryData)
 
@@ -79,7 +82,11 @@ final class ConfigurationTests: XCTestCase {
         }
         """.data(using: .utf8)!
 
-      let config = try JSONDecoder().decode(Configuration.self, from: jsonData)
+      let jsonDecoder = JSONDecoder()
+      #if canImport(Darwin) || compiler(>=6)
+      jsonDecoder.allowsJSON5 = true
+      #endif
+      let config = try jsonDecoder.decode(Configuration.self, from: jsonData)
       XCTAssertEqual(config.reflowMultilineStringLiterals, expectedBehavior)
     }
   }
@@ -99,9 +106,33 @@ final class ConfigurationTests: XCTestCase {
         }
         """.data(using: .utf8)!
 
-      let config = try JSONDecoder().decode(Configuration.self, from: jsonData)
+      let jsonDecoder = JSONDecoder()
+      #if canImport(Darwin) || compiler(>=6)
+      jsonDecoder.allowsJSON5 = true
+      #endif
+      let config = try jsonDecoder.decode(Configuration.self, from: jsonData)
       XCTAssertEqual(config.reflowMultilineStringLiterals, expectedBehavior)
     }
   }
 
+  func testConfigurationWithComments() throws {
+    #if !canImport(Darwin) && compiler(<6)
+    try XCTSkipIf(true, "JSONDecoder does not support JSON5")
+    #else
+    let expected = Configuration()
+
+    let jsonData = """
+      {
+          // Indicates the configuration schema version.
+          "version": 1,
+      }
+      """.data(using: .utf8)!
+
+    let jsonDecoder = JSONDecoder()
+
+    jsonDecoder.allowsJSON5 = true
+    let config = try jsonDecoder.decode(Configuration.self, from: jsonData)
+    XCTAssertEqual(config, expected)
+    #endif
+  }
 }

Tests/SwiftFormatTests/Rules/NoAssignmentInExpressionsTests.swift

@@ -187,19 +187,21 @@ final class NoAssignmentInExpressionsTests: LintOrFormatRuleTestCase {
     )
   }
 
-  func testTryAndAwaitAssignmentExpressionsAreUnchanged() {
+  func testTryAndAwaitAndUnsafeAssignmentExpressionsAreUnchanged() {
     assertFormatting(
       NoAssignmentInExpressions.self,
       input: """
         func foo() {
           try a.b = c
           await a.b = c
+          unsafe a.b = c
         }
         """,
       expected: """
         func foo() {
           try a.b = c
           await a.b = c
+          unsafe a.b = c
         }
         """,
       findings: []