From 8ed9940ed943d0b7f4248d26c598a95c62340f26 Mon Sep 17 00:00:00 2001
From: Adam Izraelevitz
Date: Wed, 13 Oct 2021 12:01:52 -0700
Subject: Support @public on unimplemented vals (#2182)

---
 .../chiselTests/experimental/hierarchy/DefinitionSpec.scala   | 11 +++++++++++
 .../scala/chiselTests/experimental/hierarchy/Examples.scala   |  9 +++++++++
 2 files changed, 20 insertions(+)

(limited to 'src')

diff --git a/src/test/scala/chiselTests/experimental/hierarchy/DefinitionSpec.scala b/src/test/scala/chiselTests/experimental/hierarchy/DefinitionSpec.scala
index 19261c36..4eb77c8a 100644
--- a/src/test/scala/chiselTests/experimental/hierarchy/DefinitionSpec.scala
+++ b/src/test/scala/chiselTests/experimental/hierarchy/DefinitionSpec.scala
@@ -258,6 +258,17 @@ class DefinitionSpec extends ChiselFunSpec with Utils {
       val (_, annos) = getFirrtlAndAnnos(new Top)
       annos should contain(MarkAnnotation("~Top|HasPublicConstructorArgs>x".rt, "10"))
     }
+    it("3.10: should work on unimplemented vals in abstract classes/traits") {
+      class Top() extends Module {
+        val i = Definition(new ConcreteHasBlah())
+        def f(d: Definition[HasBlah]): Unit = {
+          mark(d, d.blah.toString)
+        }
+        f(i)
+      }
+      val (_, annos) = getFirrtlAndAnnos(new Top)
+      annos should contain(MarkAnnotation("~Top|ConcreteHasBlah".mt, "10"))
+    }
   }
   describe("4: toDefinition") {
     it("4.0: should work on modules") {
diff --git a/src/test/scala/chiselTests/experimental/hierarchy/Examples.scala b/src/test/scala/chiselTests/experimental/hierarchy/Examples.scala
index 23b8c9c0..94c0e551 100644
--- a/src/test/scala/chiselTests/experimental/hierarchy/Examples.scala
+++ b/src/test/scala/chiselTests/experimental/hierarchy/Examples.scala
@@ -183,4 +183,13 @@ object Examples {
     @public val out = IO(Output(UInt(3.W)))
     out := RegNext(in)
   }
+  @instantiable
+  abstract class HasBlah() extends Module {
+    @public val blah: Int
+  }
+
+  @instantiable
+  class ConcreteHasBlah() extends HasBlah {
+    val blah = 10
+  }
 }
-- 
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