Use spm

Author: vince-hz

.gitignore

@@ -0,0 +1,2 @@
+.build
+.vscode

SwiftSyntaxDowngrade.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved renamed to Package.resolved

@@ -0,0 +1,26 @@
+// swift-tools-version: 5.9
+// The swift-tools-version declares the minimum version of Swift required to build this package.
+
+import PackageDescription
+
+// https://github.com/swiftlang/swift-syntax.git
+let package = Package(
+    name: "SwiftSyntaxDowngrade",
+    platforms: [
+        .macOS(.v14), // Adjust the version as needed
+    ],
+    dependencies: [
+        .package(url: "https://github.com/swiftlang/swift-syntax.git", from: "601.0.1")
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package, defining a module or a test suite.
+        // Targets can depend on other targets in this package and products from dependencies.
+        .executableTarget(
+            name: "SwiftSyntaxDowngrade",
+            dependencies: [
+                .product(name: "SwiftSyntax", package: "swift-syntax"),
+                .product(name: "SwiftParser", package: "swift-syntax"),
+                .product(name: "SwiftSyntaxBuilder", package: "swift-syntax")
+            ]),
+    ]
+)

Package.swift

@@ -2,10 +2,15 @@
 
 This is a tool to downgrade Swift syntax from Swift 5.9 to Swift 5.3.
 
+## Build
+
+``` bash
+swift build -c release
+```
+
+
 ## Usage
 
-``` swift
-let url = URL(fileURLWithPath: "path/to/your/file.swift")
-let result = convert(url)
-try! SourceFilePrinter.writeToFile(syntax: result, path: url.path)
+``` bash
+./build/release/SwiftSyntaxDowngrade <path/to/your/swiftdir>
 ```

README.md

@@ -30,13 +30,12 @@ func collectMembers(_ url: URL) {
     print(classesMembers)
 }
 
-let targetDirPath: String
-
-if CommandLine.arguments.count > 1 {
-    targetDirPath = CommandLine.arguments[1]
-} else {
-    targetDirPath = FileManager.default.homeDirectoryForCurrentUser.path() + "SwiftSyntaxDowngrade/SwiftSyntaxDowngrade/TestResource"
+guard CommandLine.arguments.count > 1 else {
+    print("Usage: SwiftSyntaxDowngrade <path/to/your/swiftdir>")
+    exit(1)
 }
+let targetDirPath = CommandLine.arguments[1]
+
 let fm = FileManager.default
 let files = (fm.enumerator(atPath: targetDirPath)?.allObjects ?? [])
   .compactMap { $0 as? String }