Add return-void instruction to Patio

2 files changed, 13 insertions, 0 deletions

diff --git a/src/test/java/org/shedlang/compiler/patio/PatioSerializerTests.java b/src/test/java/org/shedlang/compiler/patio/PatioSerializerTests.java
index 626c2470..23cdf596 100644
--- a/src/test/java/org/shedlang/compiler/patio/PatioSerializerTests.java
+++ b/src/test/java/org/shedlang/compiler/patio/PatioSerializerTests.java
@@ -474,6 +474,15 @@ public class PatioSerializerTests {
     }
 
     @Test
+    public void canSerializeReturnVoid() {
+        var instruction = Patio.returnVoid();
+
+        var string = PatioTesting.serializeInstruction(instruction);
+
+        assertThat(string, equalTo("(return-void)"));
+    }
+
+    @Test
     public void canSerializeSwitch() {
         var instruction = Patio.switch_(
             List.of(
diff --git a/src/test/java/org/shedlang/compiler/patio/instructions/Patio.java b/src/test/java/org/shedlang/compiler/patio/instructions/Patio.java
index 2f0b2a61..b424d40b 100644
--- a/src/test/java/org/shedlang/compiler/patio/instructions/Patio.java
+++ b/src/test/java/org/shedlang/compiler/patio/instructions/Patio.java
@@ -250,6 +250,10 @@ public class Patio {
         return new PatioReturn(value, Sources.NULL);
     }
 
+    public static PatioInstruction returnVoid() {
+        return new PatioReturnVoid(Sources.NULL);
+    }
+
     public static PatioInstruction switch_(
         List<PatioLocalRef> targets,
         PatioOperand value,