Fix Return type

.github/workflows/build.yml

@@ -19,25 +19,10 @@ jobs:
         run: swift build --build-tests --enable-experimental-prebuilts
       - name: Test
         run: swift test --skip-build
-
-  xcode_15_4:
-    runs-on: macos-14
-    env:
-      DEVELOPER_DIR: /Applications/Xcode_15.4.app/Contents/Developer
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Version
-        run: swift --version
-      - name: Build
-        run: swift build --build-tests
-      - name: Test
-        run: swift test --skip-build
-
-  xcode_15_2:
-    runs-on: macos-14
+  xcode_26:
+    runs-on: macos-15
     env:
-      DEVELOPER_DIR: /Applications/Xcode_15.2.app/Contents/Developer
+      DEVELOPER_DIR: /Applications/Xcode_26.0.app/Contents/Developer
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -48,22 +33,22 @@ jobs:
       - name: Test
         run: swift test --skip-build
 
-  linux_swift_5_10:
+  linux_swift_6_1:
     runs-on: ubuntu-latest
-    container: swift:5.10
+    container: swift:6.1.2
     steps:
       - name: Checkout
         uses: actions/checkout@v4
       - name: Version
         run: swift --version
       - name: Build
-        run: swift build --build-tests
+        run: swift build --build-tests --enable-experimental-prebuilts
       - name: Test
         run: swift test --skip-build
 
-  linux_swift_5_9:
+  linux_swift_6_2:
     runs-on: ubuntu-latest
-    container: swift:5.9
+    container: swiftlang/swift:nightly-6.2-noble
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -73,16 +58,3 @@ jobs:
         run: swift build --build-tests
       - name: Test
         run: swift test --skip-build
-
-  linux_swift_6_1:
-    runs-on: ubuntu-latest
-    container: swift:6.1.2
-    steps:
-      - name: Checkout
-        uses: actions/checkout@v4
-      - name: Version
-        run: swift --version
-      - name: Build
-        run: swift build --build-tests --enable-experimental-prebuilts
-      - name: Test
-        run: swift test --skip-build

Macros/Tests/HTTPHandlerMacroTests.swift

@@ -29,13 +29,15 @@
 //  SOFTWARE.
 //
 
+import Foundation
 import FlyingFox
 import FlyingFoxMacros
-import XCTest
+import Testing
 
-final class HTTPHandlerMacroTests: XCTestCase {
+struct HTTPHandlerMacroTests {
 
-    func testHandler() async throws {
+    @Test
+    func handler() async throws {
         let handler = MacroHandler()
 
         await AsyncAssertEqual(
@@ -55,6 +57,24 @@ final class HTTPHandlerMacroTests: XCTestCase {
             try await handler.handleRequest(.make(path: "/fish")).jsonDictionaryBody,
             ["name": "Pickles"]
         )
+
+        await AsyncAssertEqual(
+            try await handler.handleRequest(.make(path: "/chips")).jsonDictionaryBody,
+            ["name": "🍟"]
+        )
+
+        await AsyncAssertEqual(
+            try await handler.handleRequest(.make(path: "/shrimp")).jsonDictionaryBody,
+            ["name": "🦐"]
+        )
+
+        await AsyncAssertEqual(
+            try await handler.handleRequest(.make(path: "/all")).jsonArrayBody,
+            [
+                ["name": "Tyger Tyger"],
+                ["name": "Burning Bright"]
+            ]
+        )
     }
 }
 
@@ -79,9 +99,29 @@ private struct MacroHandler {
         Fish(name: "Pickles")
     }
 
+    @JSONRoute("/chips")
+    func getFoo() -> MacroHandler.Chips {
+        MacroHandler.Chips(name: "🍟")
+    }
+
+    @JSONRoute("/shrimp")
+    func getShrimp() -> some Encodable {
+        MacroHandler.Chips(name: "🦐")
+    }
+
+    @JSONRoute("/all")
+    func getAll() -> [Fish] {
+        [
+            Fish(name: "Tyger Tyger"),
+            Fish(name: "Burning Bright")
+        ]
+    }
+
     struct Fish: Encodable {
         var name: String
     }
+
+    typealias Chips = Fish
 }
 
 private extension HTTPResponse {
@@ -95,4 +135,14 @@ private extension HTTPResponse {
             return object as? NSDictionary
         }
     }
+
+    var jsonArrayBody: NSArray? {
+        get async {
+            guard let data = try? await bodyData,
+                  let object = try? JSONSerialization.jsonObject(with: data, options: []) else {
+                return nil
+            }
+            return object as? NSArray
+        }
+    }
 }

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.9
+// swift-tools-version:6.1
 
 import PackageDescription
 import CompilerPluginSupport

Plugins/Sources/FunctionDecl.swift

@@ -90,7 +90,7 @@ extension FunctionDecl {
             parameters: [],
             effects: [],
             attributes: [],
-            returnType: .init(syntax.signature.returnClause?.type.as(IdentifierTypeSyntax.self)?.name.text)
+            returnType: .init(syntax.signature.returnClause?.type.trimmedDescription)
         )
 
         decl.attributes = syntax.attributes
@@ -115,7 +115,7 @@ extension FunctionDecl {
             decl.effects.insert(.async)
         }
 
-        if syntax.signature.effectSpecifiers?.throwsSpecifier != nil {
+        if syntax.signature.effectSpecifiers?.throwsClause?.throwsSpecifier != nil {
             decl.effects.insert(.throws)
         }
 

Plugins/Sources/HTTPHandlerMacro.swift

@@ -34,9 +34,11 @@ import SwiftSyntaxBuilder
 import SwiftSyntaxMacros
 
 public enum HTTPHandlerMacro: MemberMacro {
+
     public static func expansion(
         of node: AttributeSyntax,
         providingMembersOf declaration: some DeclGroupSyntax,
+        conformingTo protocols: [TypeSyntax],
         in context: some MacroExpansionContext
     ) throws -> [DeclSyntax] {
         let memberList = declaration.memberBlock.members