From 1c73ff7b5e40df89ede9aafbb13039aa3adf55f0 Mon Sep 17 00:00:00 2001
From: ChrisNeveu <cneveu@gizmodomedia.com>
Date: Tue, 21 Feb 2017 12:51:48 -0500
Subject: [PATCH] Delegate should handle private and protected members
 correctly.

---
 macrame/src/main/scala/macrame/delegate.scala     |  8 ++++++--
 macrame/src/test/scala/macrame/DelegateTest.scala | 13 +++++++++++++
 2 files changed, 19 insertions(+), 2 deletions(-)

diff --git a/macrame/src/main/scala/macrame/delegate.scala b/macrame/src/main/scala/macrame/delegate.scala
index e4002d6..4ee1635 100644
--- a/macrame/src/main/scala/macrame/delegate.scala
+++ b/macrame/src/main/scala/macrame/delegate.scala
@@ -86,7 +86,9 @@ object delegate {
       val delegatedMembers : List[Tree] = delegateType.members.filter(s ⇒
          (containerType.member(s.name) == NoSymbol) &&
             (s.name.decoded != "<init>") &&
-            !(delegateType.typeSymbol.asClass.isCaseClass && s.name.decoded == "copy")
+            !(delegateType.typeSymbol.asClass.isCaseClass && s.name.decoded == "copy") &&
+            !s.isPrivate &&
+            !s.isProtected
       ).collect {
          case method : MethodSymbol ⇒
             val arguments = method.paramss.map(_.map { p ⇒
@@ -167,7 +169,9 @@ object delegate {
                !existingMembers.contains(s.name) &&
                   (containerType.member(s.name) == NoSymbol) &&
                   (s.name.decoded != "<init>") &&
-                  !(delegateType.typeSymbol.asClass.isCaseClass && s.name.decoded == "copy")
+                  !(delegateType.typeSymbol.asClass.isCaseClass && s.name.decoded == "copy") &&
+                  !s.isPrivate &&
+                  !s.isProtected
             ).collect {
                case method : MethodSymbol ⇒
                   val arguments = method.paramss.map(_.map { p ⇒
diff --git a/macrame/src/test/scala/macrame/DelegateTest.scala b/macrame/src/test/scala/macrame/DelegateTest.scala
index 2d2e97f..fa497a5 100644
--- a/macrame/src/test/scala/macrame/DelegateTest.scala
+++ b/macrame/src/test/scala/macrame/DelegateTest.scala
@@ -133,4 +133,17 @@ class DelegateTest extends FunSuite {
       "xxx".get
       """)
    }
+
+   test("Delegated parameters should handle private members.") {
+      final case class Delegate(
+            headline : Option[String] = None) {
+         private val foo : Int = 5
+         private val baz : String = "five"
+      }
+      assertCompiles("""
+      final case class PostContent(
+            headline : Option[String] = None,
+            @delegate un : Delegate)
+      """)
+   }
 }