Add explicit return instruction to function bodies

2 files changed, 8 insertions, 1 deletions

diff --git a/src/test/java/org/shedlang/compiler/stackir/StackCompilerFunctionDefinitionTests.java b/src/test/java/org/shedlang/compiler/stackir/StackCompilerFunctionDefinitionTests.java
index 1c90a0a7..05063961 100644
--- a/src/test/java/org/shedlang/compiler/stackir/StackCompilerFunctionDefinitionTests.java
+++ b/src/test/java/org/shedlang/compiler/stackir/StackCompilerFunctionDefinitionTests.java
@@ -37,7 +37,8 @@ public class StackCompilerFunctionDefinitionTests {
                 has("body", x -> x.body(), isSequence(
                     isPushStringInstruction("hello"),
                     isDiscardInstruction(),
-                    isPushUnitInstruction()
+                    isPushUnitInstruction(),
+                    isReturnInstruction()
                 ))
             ),
             isLocalStoreInstruction("f")
diff --git a/src/test/java/org/shedlang/compiler/stackir/instructions/InstructionMatchers.java b/src/test/java/org/shedlang/compiler/stackir/instructions/InstructionMatchers.java
index 7e8a2f4d..8e24e131 100644
--- a/src/test/java/org/shedlang/compiler/stackir/instructions/InstructionMatchers.java
+++ b/src/test/java/org/shedlang/compiler/stackir/instructions/InstructionMatchers.java
@@ -81,4 +81,10 @@ public class InstructionMatchers {
             PushUnitInstruction.class
         );
     }
+
+    public static Matcher<Instruction> isReturnInstruction() {
+        return instanceOf(
+            ReturnInstruction.class
+        );
+    }
 }