Use SwiftSyntaxBuilder to generate SwiftSyntaxBuilder Tokens

Author: kimdv

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.3
+// swift-tools-version:5.4
 
 import PackageDescription
 import Foundation
@@ -81,7 +81,6 @@ let package = Package(
         "BuildableCollectionNodes.swift.gyb",
         "BuildableNodes.swift.gyb",
         "ResultBuilders.swift.gyb",
-        "Tokens.swift.gyb",
         "TokenSyntax.swift.gyb",
       ]
     ),
@@ -97,6 +96,14 @@ let package = Package(
       name: "lit-test-helper",
       dependencies: ["SwiftSyntax", "SwiftSyntaxParser"]
     ),
+    .executableTarget(
+        name: "SwiftSyntaxBuilderGeneration",
+        dependencies: ["SwiftSyntaxBuilder"],
+        path: "Sources/SwiftSyntaxBuilderGeneration",
+        exclude: [
+          "Tokens.swift.gyb"
+        ]
+    ),
     .testTarget(
       name: "SwiftSyntaxTest",
       dependencies: ["SwiftSyntax"]