Implement variable references in C# backend

2 files changed, 10 insertions, 1 deletions

diff --git a/src/main/java/org/zwobble/couscous/backends/csharp/CsharpSerializer.java b/src/main/java/org/zwobble/couscous/backends/csharp/CsharpSerializer.java
index 5a3da8e..702ad12 100644
--- a/src/main/java/org/zwobble/couscous/backends/csharp/CsharpSerializer.java
+++ b/src/main/java/org/zwobble/couscous/backends/csharp/CsharpSerializer.java
@@ -72,7 +72,7 @@ public class CsharpSerializer implements NodeVisitor {
 
     @Override
     public void visit(VariableReferenceNode variableReference) {
-        throw new UnsupportedOperationException();
+        writer.writeIdentifier(variableReference.getReferent().getName());
     }
 
     @Override
diff --git a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java
index 875bcbf..93456ef 100644
--- a/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java
+++ b/src/test/java/org/zwobble/couscous/tests/backends/csharp/CsharpSerializerTests.java
@@ -3,11 +3,14 @@ package org.zwobble.couscous.tests.backends.csharp;
 import org.junit.Test;
 import org.zwobble.couscous.ast.*;
 import org.zwobble.couscous.backends.csharp.CsharpSerializer;
+import org.zwobble.couscous.tests.TestIds;
 
 import static org.junit.Assert.assertEquals;
 import static org.zwobble.couscous.ast.LiteralNode.literal;
 import static org.zwobble.couscous.ast.ReturnNode.returns;
 import static org.zwobble.couscous.ast.TernaryConditionalNode.ternaryConditional;
+import static org.zwobble.couscous.ast.VariableDeclaration.var;
+import static org.zwobble.couscous.ast.VariableReferenceNode.reference;
 
 public class CsharpSerializerTests {
     @Test
@@ -38,6 +41,12 @@ public class CsharpSerializerTests {
     }
 
     @Test
+    public void variableReferenceWritesIdentifier() {
+        String output = serialize(reference(var(TestIds.ANY_ID, "x", TypeName.of("X"))));
+        assertEquals("x", output);
+    }
+
+    @Test
     public void ternaryConditionalWritesConditionAndBranches() {
         String output = serialize(ternaryConditional(literal(true), literal(1), literal(2)));
         assertEquals("true ? 1 : 2", output);