Use IOException rather than RuntimeException for unrecognised tag

1 files changed, 9 insertions, 10 deletions

diff --git a/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/javatransient0/JavaTransient0Generator.java b/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/javatransient0/JavaTransient0Generator.java
index 36052d5..3a7f0ff 100644
--- a/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/javatransient0/JavaTransient0Generator.java
+++ b/src/main/java/org/zwobble/hobgoblin/compiler/output/generators/javatransient0/JavaTransient0Generator.java
@@ -804,15 +804,10 @@ public class JavaTransient0Generator implements Generator {
         cases.add(new JavaSwitchRule(
             new JavaCaseDefault(),
             new JavaBlock(List.of(
-                new JavaThrowStatement(new JavaNewExpression(
-                    JavaTypeRef.RUNTIME_EXCEPTION,
-                    List.of(
-                        new JavaBinaryOperation(
-                            JavaBinaryOperator.ADD,
-                            new JavaStringLiteral("unrecognised variant tag for " + sumDefinition.type().describe() + ": "),
-                            new JavaRef(variantTag)
-                        )
-                    )
+                throwIoException(new JavaBinaryOperation(
+                    JavaBinaryOperator.ADD,
+                    new JavaStringLiteral("unrecognised variant tag for " + sumDefinition.type().describe() + ": "),
+                    new JavaRef(variantTag)
                 ))
             ))
         ));
@@ -1637,9 +1632,13 @@ public class JavaTransient0Generator implements Generator {
     }
 
     private static JavaThrowStatement throwIoException(String errorMessage) {
+        return throwIoException(new JavaStringLiteral(errorMessage));
+    }
+
+    private static JavaThrowStatement throwIoException(JavaExpression errorMessage) {
         return new JavaThrowStatement(new JavaNewExpression(
             JavaTypeRef.IO_EXCEPTION,
-            List.of(new JavaStringLiteral(errorMessage))
+            List.of(errorMessage)
         ));
     }