[TaskLocal] Copy access control to synthesized $property

Author: ktoso

lib/Macros/Sources/SwiftMacros/CMakeLists.txt

@@ -14,6 +14,7 @@ add_swift_macro_library(SwiftMacros
   OptionSetMacro.swift
   DebugDescriptionMacro.swift
   DistributedResolvableMacro.swift
+  SyntaxExtensions.swift
   TaskLocalMacro.swift
 SWIFT_DEPENDENCIES
     SwiftDiagnostics

lib/Macros/Sources/SwiftMacros/DistributedResolvableMacro.swift

@@ -206,23 +206,6 @@ extension DistributedResolvableMacro {
 // ===== -----------------------------------------------------------------------
 // MARK: Convenience Extensions
 
-extension ProtocolDeclSyntax {
-  var accessModifiersString: String {
-    let modifiers = modifiers.filter { modifier in
-        modifier.isAccessControl
-      }
-
-    guard !modifiers.isEmpty else {
-      return ""
-    }
-
-    let string = modifiers
-      .map { "\($0.trimmed)" }
-      .joined(separator: " ")
-    return "\(string) "
-  }
-}
-
 extension TypeSyntax {
   fileprivate var isActorSystem: Bool {
     self.trimmedDescription == "ActorSystem"

lib/Macros/Sources/SwiftMacros/TaskLocalMacro.swift

@@ -69,6 +69,9 @@ extension TaskLocalMacro: PeerMacro {
         message: "'@TaskLocal' property must have default value, or be optional", id: .mustBeVar)
     }
 
+    // Copy access modifiers
+    let access = varDecl.accessControlModifiers
+
     // If the property is global, do not prefix the synthesised decl with 'static'
     let isGlobal = context.lexicalContext.isEmpty
     let staticKeyword: TokenSyntax?
@@ -80,7 +83,7 @@ extension TaskLocalMacro: PeerMacro {
 
     return [
       """
-      \(staticKeyword)let $\(name)\(explicitTypeAnnotation) = TaskLocal(wrappedValue: \(initialValue))
+      \(access)\(staticKeyword)let $\(name)\(explicitTypeAnnotation) = TaskLocal(wrappedValue: \(initialValue))
       """
     ]
   }