Remove @PlaydateMain macro and SwiftSyntax dependency (#158)

Author: finnvoor

Examples/FlappySwift/Sources/FlappySwift/Game.swift

@@ -6,7 +6,6 @@ final class TestScene: Scene {}
 
 // MARK: - Game
 
-@PlaydateMain
 final class Game: PlaydateGame {
     var highScore = 0
 

Examples/FlappySwift/Sources/FlappySwift/entry.swift

@@ -0,0 +1,18 @@
+import PlaydateKit
+
+/// Boilerplate entry code
+nonisolated(unsafe) var game: Game!
+@_cdecl("eventHandler") func eventHandler(
+    pointer: UnsafeMutablePointer<PlaydateAPI>!,
+    event: System.Event,
+    arg _: CUnsignedInt
+) -> CInt {
+    switch event {
+    case .initialize:
+        Playdate.initialize(with: pointer)
+        game = Game()
+        System.updateCallback = game.update
+    default: game.handle(event)
+    }
+    return 0
+}

Examples/Pong/Sources/Pong/Game.swift

@@ -2,7 +2,6 @@ import PlaydateKit
 
 // MARK: - Game
 
-@PlaydateMain
 final class Game: PlaydateGame {
     // MARK: Lifecycle
 

Examples/Pong/Sources/Pong/entry.swift

@@ -0,0 +1,18 @@
+import PlaydateKit
+
+/// Boilerplate entry code
+nonisolated(unsafe) var game: Game!
+@_cdecl("eventHandler") func eventHandler(
+    pointer: UnsafeMutablePointer<PlaydateAPI>!,
+    event: System.Event,
+    arg _: CUnsignedInt
+) -> CInt {
+    switch event {
+    case .initialize:
+        Playdate.initialize(with: pointer)
+        game = Game()
+        System.updateCallback = game.update
+    default: game.handle(event)
+    }
+    return 0
+}

Examples/Xkpd/Sources/Xkpd/Game.swift

@@ -2,7 +2,6 @@ import PlaydateKit
 
 // MARK: - Game
 
-@PlaydateMain
 final class Game: PlaydateGame {
     // MARK: Lifecycle
 

Examples/Xkpd/Sources/Xkpd/entry.swift

@@ -0,0 +1,18 @@
+import PlaydateKit
+
+/// Boilerplate entry code
+nonisolated(unsafe) var game: Game!
+@_cdecl("eventHandler") func eventHandler(
+    pointer: UnsafeMutablePointer<PlaydateAPI>!,
+    event: System.Event,
+    arg _: CUnsignedInt
+) -> CInt {
+    switch event {
+    case .initialize:
+        Playdate.initialize(with: pointer)
+        game = Game.instance
+        System.updateCallback = game.update
+    default: game.handle(event)
+    }
+    return 0
+}

Package.resolved

@@ -1,7 +1,6 @@
 // swift-tools-version: 6.1
 
 import PackageDescription
-import CompilerPluginSupport
 
 let armToolchainPath: String = if let path = Context.environment["ARM_NONE_EABI_GCC_PATH"] {
     path
@@ -38,20 +37,10 @@ let package = Package(
         .plugin(name: "PDCPlugin", targets: ["PDCPlugin"]),
         .plugin(name: "RenamePlugin", targets: ["RenamePlugin"])
     ],
-    dependencies: [
-        .package(url: "https://github.com/swiftlang/swift-syntax.git", from: "601.0.1"),
-    ],
     targets: [
-        .macro(
-            name: "PlaydateKitMacros",
-            dependencies: [
-                .product(name: "SwiftSyntaxMacros", package: "swift-syntax"),
-                .product(name: "SwiftCompilerPlugin", package: "swift-syntax")
-            ]
-        ),
         .target(
             name: "PlaydateKit",
-            dependencies: ["CPlaydate", "PlaydateKitMacros"],
+            dependencies: ["CPlaydate"],
             swiftSettings: [
                 .enableExperimentalFeature("Embedded"),
                 .unsafeFlags([

Package.swift

@@ -35,7 +35,6 @@ Your `PlaydateGame` object manages the game lifecycle, receiving events such as
 ```swift
 import PlaydateKit
 
-@PlaydateMain
 final class Game: PlaydateGame {
     init() {
         System.addCheckmarkMenuItem(title: "check me") { isChecked in