Explicit Swift 6.x support and fixes

.github/workflows/unit-tests.yml

@@ -23,7 +23,25 @@ on:
 
 jobs:
   swift_tests_latest:
-    name: Latest Swift
+    name: Latest Swift (6.1)
+    runs-on: macos-15
+    steps:
+      - uses: maxim-lobanov/setup-xcode@v1
+        with:
+          xcode-version: latest
+      - uses: actions/checkout@v3
+      - uses: actions/cache@v3
+        with:
+          path: .build
+          key: macos-latest-spm-${{ hashFiles('**/Package.resolved') }}
+          restore-keys: |
+            macos-latest-tests-spm-
+      - name: Build
+        run: swift build
+      - name: Run tests
+        run: swift test
+  swift_tests_600:
+    name: Swift 6.0
     runs-on: macos-15
     steps:
       - uses: maxim-lobanov/setup-xcode@v1
@@ -35,12 +53,12 @@ jobs:
           path: .build
           key: macos-latest-spm-${{ hashFiles('**/Package.resolved') }}
           restore-keys: |
-            macos-latest-spm-
+            macos-600-tests-spm-
       - name: Build
         run: swift build
       - name: Run tests
         run: swift test
-  swift_tests_previous:
+  swift_tests_510:
     name: Swift 5.10
     runs-on: macos-14
     steps:
@@ -53,7 +71,9 @@ jobs:
           path: .build
           key: macos-14-swift-510-spm-${{ hashFiles('**/Package.resolved') }}
           restore-keys: |
-            macos-14-swift-510-spm-
+            macos-14-swift-510-tests-spm-
+      - name: Remove Resolved
+        run: rm -rf Package.resolved
       - name: Build
         run: swift build
       - name: Run tests
@@ -78,7 +98,9 @@ jobs:
           path: .build
           key: ${{ matrix.os }}-${{ matrix.swift }}-spm-${{ hashFiles('**/Package.resolved') }}
           restore-keys: |
-            ${{ matrix.os }}-spm-
+            ${{ matrix.os }}-tests-spm-
+      - name: Remove Resolved
+        run: rm -rf Package.resolved
       - name: Build
         run: swift build
       - name: Run tests

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version: 6.0
+// swift-tools-version: 6.1
 // The swift-tools-version declares the minimum version of Swift required to build this package.
 
 import PackageDescription
@@ -20,7 +20,7 @@ let package = Package(
         ),
     ],
     dependencies: [
-        .package(url: "https://github.com/swiftlang/swift-syntax.git", from: "600.0.1"),
+        .package(url: "https://github.com/swiftlang/swift-syntax.git", from: "601.0.1"),
     ],
     targets: [
         .target(

Package@swift-6.0.swift

@@ -0,0 +1,51 @@
+// swift-tools-version: 6.0
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+let package = Package(
+    name: "SyntaxSparrow",
+    platforms: [
+        .macOS(.v10_15),
+        .iOS(.v13),
+        .tvOS(.v13),
+        .watchOS(.v6),
+        .macCatalyst(.v13)
+    ],
+    products: [
+        // Products define the executables and libraries a package produces, and make them visible to other packages.
+        .library(
+            name: "SyntaxSparrow",
+            targets: ["SyntaxSparrow"]
+        ),
+    ],
+    dependencies: [
+        .package(url: "https://github.com/swiftlang/swift-syntax.git", from: "600.0.1"),
+    ],
+    targets: [
+        .target(
+            name: "SyntaxSparrow",
+            dependencies: [
+                .product(name: "SwiftSyntax", package: "swift-syntax"),
+                .product(name: "SwiftParser", package: "swift-syntax"),
+            ],
+            resources: [
+                .copy("Resources/PrivacyInfo.xcprivacy")
+            ],
+            swiftSettings: [
+                .swiftLanguageMode(.v6)
+            ]
+        ),
+        .testTarget(
+            name: "SyntaxSparrowTests",
+            dependencies: [
+                "SyntaxSparrow",
+            ]
+        ),
+    ]
+)
+
+// Supplementary
+package.dependencies.append(contentsOf: [
+    .package(url: "https://github.com/SwiftPackageIndex/SPIManifest.git", from: "0.12.0"),
+])

Sources/SyntaxSparrow/Internal/Resolvers/Declaration/VariableSemanticsResolver.swift

@@ -116,6 +116,9 @@ struct VariableSemanticsResolver: SemanticsResolving {
         // Resolver accessors for assessment
         let accessors = resolveAccessors()
         let accessorKinds = accessors.compactMap(\.kind)
+        // Only getter accessors mean that there is no setters
+        guard accessorKinds != [.get] else { return false }
+        // General setter check
         let hasSetterAccessor = accessorKinds.contains(where: { [.set, .willSet, .didSet].contains($0) })
         let hasEffectGetter = accessors.contains(where: {
             let hasSpecifier = ($0.effectSpecifiers?.throwsSpecifier != nil || $0.effectSpecifiers?.asyncSpecifier != nil)
@@ -125,7 +128,7 @@ struct VariableSemanticsResolver: SemanticsResolving {
         guard !hasEffectGetter else { return false }
         // If setter exists in accessors can return true (usually protocol context or manually written will/did/set accessor).
         if hasSetterAccessor { return true }
-        // If no accessors, but a direct return/code block, can assume there is no setter
+        // If no accessors, but a direct return/code block, can assume there is no setter. (computed var)
         if accessors.isEmpty, resolveHasCodeBlockItems() { return false }
         // Otherwise if the keyword is not `let` (immutable)
         guard resolveKeyword() != "let" else { return false }

Sources/SyntaxSparrow/Public/Semantics/Components/EntityType.swift

@@ -139,4 +139,16 @@ public enum EntityType: Equatable, Hashable, CustomStringConvertible {
     public init(_ typeSyntax: TypeSyntax) {
         self = EntityType.parseType(typeSyntax)
     }
+
+    #if swift(>=6.1)
+    /// Creates a new ``SyntaxSparrow/EntityType`` instance from a `GenericArgumentSyntax.Argument` node.
+    public init(_ argument: GenericArgumentSyntax.Argument) {
+        switch argument {
+        case .type(let typeSyntax):
+            self = EntityType.parseType(typeSyntax)
+        default:
+            self = .empty
+        }
+    }
+    #endif
 }

Tests/SyntaxSparrowTests/Declarations/VariableTests.swift

@@ -66,6 +66,24 @@ final class VariableTests: XCTestCase {
         XCTAssertFalse(variable.hasSetter)
     }
 
+    func test_variable_mutable_onlyGetter_willReturnFalseForHasSetter() {
+        let source = #"""
+        var name: String {
+            get { "test" }
+        }
+        var other: String {
+            "test"
+        }
+        """#
+        instanceUnderTest.updateToSource(source)
+        XCTAssertTrue(instanceUnderTest.isStale)
+        instanceUnderTest.collectChildren()
+        XCTAssertFalse(instanceUnderTest.isStale)
+        XCTAssertEqual(instanceUnderTest.variables.count, 2)
+        XCTAssertFalse(instanceUnderTest.variables[0].hasSetter)
+        XCTAssertFalse(instanceUnderTest.variables[1].hasSetter)
+    }
+
     func test_variable_multiplePatternBindings_willResolveExpectedValues() {
         let source = #"""
         var firstName, lastName: String
@@ -297,7 +315,7 @@ final class VariableTests: XCTestCase {
         XCTAssertFalse(instanceUnderTest.variables[4].isComputed)
         XCTAssertTrue(instanceUnderTest.variables[5].isComputed)
         XCTAssertTrue(instanceUnderTest.variables[6].isComputed)
-        XCTAssertFalse(instanceUnderTest.variables[7].isComputed)
+        XCTAssertTrue(instanceUnderTest.variables[7].isComputed)
     }
 
     func test_variable_hasSetterHelper_willResolveExpectedValues() {